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PICMicro

  • SPI串行EEPROM与PICMicro单片机的接口设计,A

    目前市场上有许多种单片机用在嵌入式控制系统设计中,这些嵌入式控制系统中的很大一部分都要用到非易失性存储器。由于串行EEPROM 具有封装尺寸小,存储容量灵活,对I/O 引脚要求低,和低功耗低成本等特点,已成为非易失性存储器的首选。

    标签: PICMicro EEPROM SPI 串行

    上传时间: 2013-11-13

    上传用户:invtnewer

  • PIC系列单片机手册

    PIC系列单片机手册 第1 章 简介 1-1简介 ................................................................................................................................................................. 1-2本手册的宗旨 ................................................................................................................................................... 1-3器件结构 .......................................................................................................................................................... 1-4开发支持 .......................................................................................................................................................... 1-6器件种类 .......................................................................................................................................................... 1-7格式和符号的约定 ......................................................................................................................................... 1-12相关文档 ........................................................................................................................................................ 1-14相关应用笔记 ................................................................................................................................................. 1-17版本历史 ........................................................................................................................................................ 1-18第2 章 振荡器 2-1简介 ................................................................................................................................................................. 2-2振荡器配置 ...................................................................................................................................................... 2-2晶体振荡器 / 陶瓷谐振器 ................................................................................................................................. 2-4外部RC 振荡器 ............................................................................................................................................. 2-124MHz 内部 RC 振荡器 ................................................................................................................................... 2-13休眠模式对片内振荡器的影响 ........................................................................................................................ 2-17器件复位对片内振荡器的影响 ........................................................................................................................ 2-17设计技巧 ........................................................................................................................................................ 2-18相关应用笔记 ................................................................................................................................................. 2-19版本历史 ........................................................................................................................................................ 2-20第3 章 复位 3-1简介 ................................................................................................................................................................. 3-2上电复位、上电延时定时器、 起振定时器、欠压复位和奇偶校验错误复位 ...................................................... 3-4寄存器和状态位的值 ...................................................................................................................................... 3-10设计技巧 ........................................................................................................................................................ 3-16相关应用笔记 ................................................................................................................................................. 3-17版本历史 ........................................................................................................................................................ 3-18 第4 章 架构 4-1简介 ................................................................................................................................................................. 4-2时序图/ 指令周期 ............................................................................................................................................ 4-5指令流/ 流水线 ................................................................................................................................................ 4-6I/O 端口描述 .................................................................................................................................................... 4-7设计技巧 ........................................................................................................................................................ 4-12相关应用笔记 ................................................................................................................................................. 4-13版本历史 ........................................................................................................................................................ 4-14 第5 章 CPU 和ALU 5-1简介 ................................................................................................................................................................. 5-2指令的一般格式 ............................................................................................................................................... 5-4中央处理单元(CPU) .................................................................................................................................... 5-4指令时钟 .......................................................................................................................................................... 5-4算术逻辑单元(ALU) .................................................................................................................................... 5-5状态寄存器 ...................................................................................................................................................... 5-6OPTION_REG 寄存器 ..................................................................................................................................... 5-8电源控制寄存器 ............................................................................................................................................... 5-9设计技巧 ........................................................................................................................................................ 5-10相关应用笔记 ................................................................................................................................................. 5-11版本历史 ........................................................................................................................................................ 5-12第6 章 存储器构成 6-1简介 ................................................................................................................................................................. 6-2程序存储器构成 ............................................................................................................................................... 6-2数据存储器构成 ............................................................................................................................................... 6-8初始化 ........................................................................................................................................................... 6-14设计技巧 ........................................................................................................................................................ 6-16相关应用笔记 ................................................................................................................................................. 6-17版本历史 ........................................................................................................................................................ 6-18第7 章 数据EEPROM 7-1简介 ................................................................................................................................................................. 7-2控制寄存器 ...................................................................................................................................................... 7-3EEADR ............................................................................................................................................................ 7-4EECON1 和EECON2 寄存器 .......................................................................................................................... 7-4从EEPROM 数据存储器中读数据 .................................................................................................................... 7-5向EEPROM 数据存储器中写数据 .................................................................................................................... 7-5写校验 ............................................................................................................................................................. 7-6误写操作保护 ................................................................................................................................................... 7-7代码保护配置下的数据EEPROM 操作 ............................................................................................................. 7-7初始化 ............................................................................................................................................................. 7-7设计技巧 .......................................................................................................................................................... 7-8相关应用笔记 ................................................................................................................................................... 7-9版本历史 ........................................................................................................................................................ 7-10第8 章 中断 8-1简介 ................................................................................................................................................................. 8-2控制寄存器 ...................................................................................................................................................... 8-5中断响应延时 ................................................................................................................................................. 8-10INT 和外部中断 .............................................................................................................................................. 8-10中断的现场保护 ............................................................................................................................................. 8-11初始化 ........................................................................................................................................................... 8-14设计技巧 ........................................................................................................................................................ 8-16相关应用笔记 ................................................................................................................................................. 8-17版本历史 ........................................................................................................................................................ 8-18第9 章 I/O 端口 9-1简介 ................................................................................................................................................................. 9-2PORTA 和TRISA 寄存器 ................................................................................................................................ 9-4PORTB 和TRISB 寄存器 ................................................................................................................................ 9-6PORTC 和TRISC 寄存器 ................................................................................................................................ 9-8PORTD 和TRISD 寄存器 ................................................................................................................................ 9-9PORTE 和TRISE 寄存器 ............................................................................................................................... 9-10PORTF 和 TRISF 寄存器 ............................................................................................................................... 9-11PORTG 和TRISG 寄存器 .............................................................................................................................. 9-12GPIO 和TRISGP 寄存器 ............................................................................................................................... 9-13I/O 编程注意事项 ........................................................................................................................................... 9-14初始化 ........................................................................................................................................................... 9-16设计技巧 ........................................................................................................................................................ 9-17相关应用笔记 ................................................................................................................................................. 9-19版本历史 ........................................................................................................................................................ 9-20第10 章 并行从动端口 10-1简介 ............................................................................................................................................................... 10-2控制寄存器 .................................................................................................................................................... 10-3操作 ............................................................................................................................................................... 10-4休眠模式下的操作 ......................................................................................................................................... 10-5复位的影响 .................................................................................................................................................... 10-5PSP 波形 ....................................................................................................................................................... 10-5设计技巧 ........................................................................................................................................................ 10-6相关应用笔记 ................................................................................................................................................. 10-7版本历史 ........................................................................................................................................................ 10-8 第11 章 TIMER0 11-1简介 ............................................................................................................................................................... 11-2控制寄存器 .................................................................................................................................................... 11-3操作 ............................................................................................................................................................... 11-4TMR0 中断 .................................................................................................................................................... 11-5Timer0 外部时钟的使用 ................................................................................................................................. 11-6TMR0 的预分频器 ......................................................................................................................................... 11-7设计技巧 ...................................................................................................................................................... 11-10相关应用笔记 ............................................................................................................................................... 11-11版本历史 ...................................................................................................................................................... 11-12第12 章 TIMER1 12-1简介 ............................................................................................................................................................... 12-2控制寄存器 .................................................................................................................................................... 12-3Timer1 工作在定时器模式 ..............................................................................................................................12-4Timer1 工作在同步计数器模式 ....................................................................................................................... 12-4Timer1 工作在异步计数器模式 ....................................................................................................................... 12-5Timer1 振荡器 ............................................................................................................................................... 12-7休眠操作 ........................................................................................................................................................ 12-9用CCP 触发器的输出将Timer1 复位 ............................................................................................................. 12-9Timer1 寄存器(TMR1H:TMR1L)的复位 .................................................................................................... 12-9Timer1 预分频器 ............................................................................................................................................ 12-9初始化 ......................................................................................................................................................... 12-10设计技巧 ...................................................................................................................................................... 12-12相关应用笔记 ............................................................................................................................................... 12-13版本历史 ...................................................................................................................................................... 12-14第13 章 TIMER2 13-1简介 ............................................................................................................................................................... 13-2控制寄存器 .................................................................................................................................................... 13-3定时器时钟源 ................................................................................................................................................. 13-4定时器TMR2 和PR2 周期寄存器 .................................................................................................................. 13-4TMR2 匹配输出 ............................................................................................................................................. 13-4将Timer2 的预分频器和后分频器清零 ........................................................................................................... 13-4休眠操作 ........................................................................................................................................................ 13-4初始化 ........................................................................................................................................................... 13-5设计技巧 ........................................................................................................................................................ 13-6相关应用笔记 ................................................................................................................................................. 13-7版本历史 ........................................................................................................................................................ 13-8第14 章 比较/ 捕捉/ 脉宽调制(CCP) 14-1简介 ............................................................................................................................................................... 14-2控制寄存器 .................................................................................................................................................... 14-3捕捉模式 ........................................................................................................................................................ 14-4比较模式 ........................................................................................................................................................ 14-6PWM 模式 ..................................................................................................................................................... 14-8初始化 ......................................................................................................................................................... 14-12设计技巧 ...................................................................................................................................................... 14-15相关应用笔记 ............................................................................................................................................... 14-17版本历史 ...................................................................................................................................................... 14-18第15 章 同步串行口(SSP) 15-1简介 ............................................................................................................................................................... 15-2控制寄存器 .................................................................................................................................................... 15-3SPITM 模式 .................................................................................................................................................... 15-6SSP 模块的I2CTM 操作 ............................................................................................................................... 15-16初始化 ......................................................................................................................................................... 15-26设计技巧 ...................................................................................................................................................... 15-28相关应用笔记 ............................................................................................................................................... 15-29版本历史 ...................................................................................................................................................... 15-30第16 章 基本同步串行口(BSSP) 16-1简介 ............................................................................................................................................................... 16-2控制寄存器 .................................................................................................................................................... 16-3SPITM 模式 .................................................................................................................................................... 16-6SSP 模块 的I2CTM 操作 ............................................................................................................................... 16-15初始化 ......................................................................................................................................................... 16-23设计技巧 ...................................................................................................................................................... 16-24相关应用笔记 ............................................................................................................................................... 16-25版本历史 ...................................................................................................................................................... 16-26第17 章 主同步串行口(MSSP) 17-1简介 ............................................................................................................................................................... 17-2控制寄存器 .................................................................................................................................................... 17-4SPITM 模式 .................................................................................................................................................... 17-9SSP 模块的 I2C™ 操作 ............................................................................................................................... 17-18I2CTM 总线的连接注意事项 ........................................................................................................................... 17-56初始化 ......................................................................................................................................................... 17-57设计技巧 ...................................................................................................................................................... 17-58相关应用笔记 ............................................................................................................................................... 17-59版本历史 ...................................................................................................................................................... 17-60第18 章 USART 18-1简介 ............................................................................................................................................................... 18-2控制寄存器 .................................................................................................................................................... 18-3USART 波特率发生器(BRG) ..................................................................................................................... 18-5USART 异步工作模式 ................................................................................................................................... 18-8USART 同步主控模式 .................................................................................................................................. 18-15USART 同步从动模式 ................................................................................................................................. 18-19初始化 ......................................................................................................................................................... 18-21设计技巧 ...................................................................................................................................................... 18-22相关应用笔记 ............................................................................................................................................... 18-23版本历史 ...................................................................................................................................................... 18-24第19 章 参考电压模块 19-1简介 ............................................................................................................................................................... 19-2控制寄存器 .................................................................................................................................................... 19-3配置参考电压 ................................................................................................................................................. 19-4参考电压精度 ................................................................................................................................................. 19-5休眠模式下的操作 ......................................................................................................................................... 19-5复位的影响 .................................................................................................................................................... 19-5连接注意事项 ................................................................................................................................................. 19-6初始化 ........................................................................................................................................................... 19-7设计技巧 ........................................................................................................................................................ 19-8相关应用笔记 ................................................................................................................................................. 19-9版本历史 ...................................................................................................................................................... 19-10第20 章 比较器 20-1简介 ............................................................................................................................................................... 20-2控制寄存器 .................................................................................................................................................... 20-3设置比较器模式 ............................................................................................................................................. 20-4比较器工作原理 ............................................................................................................................................. 20-6比较器参考源 ................................................................................................................................................. 20-6比较器的响应时间 ......................................................................................................................................... 20-8比较器输出 .................................................................................................................................................... 20-8比较器中断 .................................................................................................................................................... 20-9休眠状态下比较器的操作 ............................................................................................................................... 20-9复位的影响 .................................................................................................................................................... 20-9模拟输入连接方式注意事项 .......................................................................................................................... 20-10初始化 ......................................................................................................................................................... 20-11设计技巧 ...................................................................................................................................................... 20-12相关应用笔记 ............................................................................................................................................... 20-13版本历史 ...................................................................................................................................................... 20-14第21 章 8 位A/D 转换器 21-1简介 ............................................................................................................................................................... 21-2控制寄存器 .................................................................................................................................................... 21-3操作 ............................................................................................................................................................... 21-5A/D 采集时间要求 .......................................................................................................................................... 21-6A/D 转换时钟的选择 ...................................................................................................................................... 21-8配置模拟输入端口 ......................................................................................................................................... 21-9A/D 转换 ...................................................................................................................................................... 21-10休眠期间的A/D 转换 ................................................................................................................................... 21-12A/D 精度/ 误差 ............................................................................................................................................ 21-13复位对A/D 转换的影响 ................................................................................................................................ 21-13CCP 触发器的使用 ...................................................................................................................................... 21-14连接注意事项 ............................................................................................................................................... 21-14传递函数 ...................................................................................................................................................... 21-14初始化 ......................................................................................................................................................... 21-15设计技巧 ...................................................................................................................................................... 21-16相关应用笔记 ............................................................................................................................................... 21-17版本历史 ...................................................................................................................................................... 21-18第22 章 基本型8 位A/D 转换器 22-1简介 ............................................................................................................................................................... 22-2控制寄存器 .................................................................................................................................................... 22-3A/D 采集时间要求 .......................................................................................................................................... 22-6A/D 转换时钟的选择 ...................................................................................................................................... 22-8配置模拟输入端口 ....................................................................................................................................... 22-10A/D 转换 ...................................................................................................................................................... 22-11休眠期间的A/D 转换 ................................................................................................................................... 22-14A/D 转换精度/ 误差 ..................................................................................................................................... 22-15复位对A/D 转换的影响 ................................................................................................................................ 22-16连接时的考虑事项 ....................................................................................................................................... 22-16传递函数 ...................................................................................................................................................... 22-16初始化 ......................................................................................................................................................... 22-17设计技巧 ...................................................................................................................................................... 22-18相关应用笔记 ............................................................................................................................................... 22-19版本历史 ...................................................................................................................................................... 22-20第23 章 10 位A/D 转换器 23-1简介 ............................................................................................................................................................... 23-2控制寄存器 .................................................................................................................................................... 23-3操作 ............................................................................................................................................................... 23-5A/D 采集时间要求 .......................................................................................................................................... 23-6A/D 转换时钟的选择 ...................................................................................................................................... 23-8模拟输入引脚的设置 ...................................................................................................................................... 23-9A/D 转换的编程举例 .................................................................................................................................... 23-10休眠期间的A/D 转换 ................................................................................................................................... 23-14复位对A/D 转换的影响 ................................................................................................................................ 23-14A/D 转换精度与误差 .................................................................................................................................... 23-15连接时的考虑事项 ....................................................................................................................................... 23-16传递函数 ...................................................................................................................................................... 23-16初始化 ......................................................................................................................................................... 23-17设计技巧 ...................................................................................................................................................... 23-18相关应用笔记 ............................................................................................................................................... 23-19版本历史 ...................................................................................................................................................... 23-20第24 章 积分型A/D 转换器 24-1简介 ............................................................................................................................................................... 24-2控制寄存器 .................................................................................................................................................... 24-3转换过程 ........................................................................................................................................................ 24-6其它模拟模块 ............................................................................................................................................... 24-12校准参数 ...................................................................................................................................................... 24-13设计技巧 ...................................................................................................................................................... 24-14相关应用笔记 ............................................................................................................................................... 24-15版本历史 ...................................................................................................................................................... 24-16第25 章 LCD 25-1简介 ............................................................................................................................................................... 25-2控制寄存器 .................................................................................................................................................... 25-3LCD 定时 ....................................................................................................................................................... 25-6LCD 中断 ..................................................................................................................................................... 25-12像素控制 ...................................................................................................................................................... 25-13电压发生器 .................................................................................................................................................. 25-15休眠模式下的操作 ....................................................................................................................................... 25-16复位的影响 .................................................................................................................................................. 25-17LCD 模块的设置 .......................................................................................................................................... 25-17判别比 ......................................................................................................................................................... 25-18LCD 电压发生器 .......................................................................................................................................... 25-20对比度 ......................................................................................................................................................... 25-22LCD 玻璃基板 .............................................................................................................................................. 25-22初始化 ......................................................................................................................................................... 25-23设计技巧 ...................................................................................................................................................... 25-24相关应用笔记 ............................................................................................................................................... 25-25版本历史 ...................................................................................................................................................... 25-26第26 章 看门狗定时器与休眠模式 26-1简介 ............................................................................................................................................................... 26-2控制寄存器 .................................................................................................................................................... 26-3看门狗定时器(WDT)的操作 ....................................................................................................................... 26-4休眠省电模式 ................................................................................................................................................. 26-7初始化 ........................................................................................................................................................... 26-9设计技巧 ...................................................................................................................................................... 26-10相关应用笔记 ............................................................................................................................................... 26-11版本历史 ...................................................................................................................................................... 26-12第27 章 器件配置位 27-1简介 ............................................................................................................................................................... 27-2配置字位 ........................................................................................................................................................ 27-4编程校验/ 代码保护 ....................................................................................................................................... 27-8识别码ID 的位置 ........................................................................................................................................... 27-9设计技巧 ...................................................................................................................................................... 27-10相关应用笔记 ............................................................................................................................................... 27-11版本历史 ...................................................................................................................................................... 27-12第28 章 在线串行编程 28-1简介 ............................................................................................................................................................... 28-2进入在线串行编程模式 .................................................................................................................................. 28-3应用电路 ........................................................................................................................................................ 28-4编程器 ........................................................................................................................................................... 28-6编程环境 ........................................................................................................................................................ 28-6其它优点 ........................................................................................................................................................ 28-7PICMicro® OTP 型单片机的现场编程 ............................................................................................................. 28-8FLASH 型 PICMicro® 单片机的现场编程 ...................................................................................................... 28-10设计技巧 ...................................................................................................................................................... 28-12相关应用笔记 ............................................................................................................................................... 28-13版本历史 ...................................................................................................................................................... 28-14第29 章 指令集 29-1简介 ............................................................................................................................................................... 29-2指令格式 ........................................................................................................................................................ 29-4作为源/ 目标寄存器的特殊功能寄存器 ........................................................................................................... 29-6Q 周期操作 .................................................................................................................................................... 29-7指令描述 ........................................................................................................................................................ 29-8设计技巧 ...................................................................................................................................................... 29-45相关应用笔记 ............................................................................................................................................... 29-47版本历史 ...................................................................................................................................................... 29-48第30 章 电气规范 30-1简介 ............................................................................................................................................................... 30-2绝对最大值 .................................................................................................................................................... 30-3器件选型表 .................................................................................................................................................... 30-4器件电压规范 ................................................................................................................................................. 30-5器件电流特性 ................................................................................................................................................. 30-6输入阈值电平 ................................................................................................................................................. 30-9I/O 电流特性 ................................................................................................................................................ 30-10输出驱动电压 ............................................................................................................................................... 30-11I/O 引脚的容性负载 ..................................................................................................................................... 30-12数据EEPROM / 闪存 .................................................................................................................................. 30-13LCD ............................................................................................................................................................. 30-14比较器和参考电压 ....................................................................................................................................... 30-15时序参数符号 ............................................................................................................................................... 30-16外部时钟时序波形图和时序要求示例 ............................................................................................................ 30-17上电和复位时序波形图及要求示例 ............................................................................................................... 30-19定时器Timer0 和Timer1 时序波形图及要求示例 ......................................................................................... 30-20CCP 的时序图及要求 ................................................................................................................................... 30-21并行从动端口 (PSP) 时序图及要求 .............................................................................................................. 30-22SSP 和 MSSP SPITM 模式时序波形图及要求示例 ....................................................................................... 30-23SSP I2CTM 模式时序波形图及要求示例 ........................................................................................................ 30-27MSSP I2CTM 模式时序波形图及要求示例 ..................................................................................................... 30-30USART/SCI 时序波形图及要求示例 ............................................................................................................. 30-328 位 A/D 时序波形图及要求示例 ................................................................................................................... 30-3410 位A/D 时序波形图及要求示例 ................................................................................................................. 30-36积分型A/D 时序波形图及要求示例 ............................................................................................................... 30-38LCD 时序波形图及要求示例 ......................................................................................................................... 30-40相关应用笔记 ............................................................................................................................................... 30-41版本历史 ...................................................................................................................................................... 30-42第31 章 器件特性 31-1简介 ............................................................................................................................................................... 31-2特性和电气规范 ............................................................................................................................................. 31-2DC 和AC 特性图表 ....................................................................................................................................... 31-2版本历史 ...................................................................................................................................................... 31-22第32 章 开发工具 32-1简介 ............................................................................................................................................................... 32-2集成开发环境(IDE) ................................................................................................................................... 32-3MPLAB® 软件语言支持 ................................................................................................................................. 32-6MPLAB® SIM 软件模拟器 ............................................................................................................................... 32-8MPLAB® 硬件仿真器支持 ............................................................................................................................... 32-9MPLAB® 编程器支持 ................................................................................................................................... 32-10辅助工具 ...................................................................................................................................................... 32-11开发板 ......................................................................................................................................................... 32-12针对其它Microchip 产品的开发工具 ............................................................................................................ 32-14相关应用笔记 ............................................................................................................................................... 32-15版本历史 ...................................................................................................................................................... 32-16第33 章 代码开发 33-1版本历史 ........................................................................................................................................................ 33-2第34 章 附录 34-1I2CTM 概述...................................................................................................................................................... 34-2LCD 玻璃基板生产商.................................................................................................................................... 34-11改进的器件特性............................................................................................................................................ 34-13版本历史....................................................................................................................................................... 34-19第35 章 术语表 35-1版本历史 ...................................................................................................................................................... 35-14目录

    标签: PIC 单片机

    上传时间: 2013-11-15

    上传用户:nanshan

  • MPLAB 集成开发环境(IDE)是综合的编辑器、项目管理器和设计平台

    MPLAB 集成开发环境(IDE)是综合的编辑器、项目管理器和设计平台,适用于使用 Microchip 的PICMicro® 系列单片机进行嵌入式设计的应用开发。

    标签: MPLAB IDE 集成开发环境 编辑器

    上传时间: 2015-08-10

    上传用户:181992417

  • 软件简介:HI-TECH PICC 是一款高效的C编译器

    软件简介:HI-TECH PICC 是一款高效的C编译器,支持Microchip PICMicro 10/12/14/16/17系列控制器。是一款强劲的标准C编译器,完全遵守ISO/ANSI C,支持所有的数据类型包括24 and 32 bit IEEE 标准浮点类型。智能优化产生高质量的代码。属于第三方开发工具。能和MPLAB整合,内嵌开发环境(HI-TIDE)。 Hi-tech PICC Compiler v8.注册码 Serial: HCPIC-88888 First Name: ONE Last Name: TWO Company Name:ONE TWO Registration: 任意填,但一定要填 Activation: NPCBACMJKLPCADKLOEDBFPIOCIBAEIDI

    标签: HI-TECH PICC 软件 C编译器

    上传时间: 2016-12-16

    上传用户:Andy123456

  • Synchronous Serial Communications (SSC) is a synchronous serial communications protocol between

    Synchronous Serial Communications (SSC) is a synchronous serial communications protocol between a target PICMicro microcontroller unit and the PICkit 1 or 2.

    标签: Communications communications Synchronous synchronous

    上传时间: 2013-12-18

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  • spi协议英文详解

    In this presentation, we will look at what the Serial Peripheral Interface, otherwise known as the SPI, is. and how it is used to communicate data to and from the PICMicro microcontroller.SPl is frequently used when few 1/O lines are available, but communication between two or more devices must be fast and easy to implement.In this presentation, we will discuss the following topics: We will first cover an Overview of SPI This section of the tutorial will introduce you to SPI and its concepts.Next, we will examine the use of SPI on the PICMicro MCU.The details of how SPI is implemented on a PICMicro device will be examined.Then, a Code Walkthrough will be given.The walkthough will explore code for both an SPI Master and SPI Slave. The example will have the Master generate data for sending to the slave.Finally, there will be a few resources given at the end of the presentation. These resources will allow you to explore in more detail the SPI interface

    标签: spi协议

    上传时间: 2022-06-20

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  • 单片机实现ADPCM编码和解码

    INTRODUCTION In the past, adding speech recording and playback capability to a product meant using a digital signal processor or a specialized audio chip. Now, using a simplified Adaptive Differential Pulse Code Modulation(ADPCM) algorithm, these audio capabilities can be added to any PICMicro device. This application note will cover the ADPCM compression and decompression algorithms, performance comparison of all PICMicro devices, and an application using a PIC16C72 micro-controller.DEFINITION OF TERMS step size -value of the step used for quantization of ana-log signals and inverse quantization of a number of steps.quantization -the digital form of an analog input signal is represented by a finite number of steps.adaptive quantization -the step size of a quantizer is dramatically changed with time in order to adapt to a changing input signal.inverse quantizer -a finite number of steps is converted into a digital representation of an analog signal.

    标签: 单片机 adpcm 编码 解码

    上传时间: 2022-06-20

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  • SPI协议及工作原理分析

    SPI协议及工作原理分析一、概述.SPI,Serial Perripheral Interface,串行外围设备接口,是Motorola公司推出的一种同步串行接口技术.SPI总线在物理上是通过接在外围设备微控制器(PICMicro)上面的微处理控制单元(MCU)上叫作同步串行端口(Synchronous Serial Port)的模块(Module)来实现的,它允许MCU以全双工的同步串行方式与各种外围设备进行高速数据通信SPI主要应用在EEPROM,Flash,实时时钟(RTC),数模转换器(ADC),数字信号处理器(DSP)以及数字信号解码器之间它在芯片中只占用四根管脚(Pin)用来控制以及数据传输,节约了芯片的pin 数目,同时为PCB在布局上节省了空间.正是出于这种简单易用的特性,现在越来越多的芯片上都集成了SPl技术。

    标签: spi协议

    上传时间: 2022-06-24

    上传用户:jiabin

  • VIP专区-单片机源代码精选合集系列(49)

    eeworm.com VIP专区 单片机源码系列 48资源包含以下内容:1. 基于AVR的PCB板雕刻机的设计.zip2. SBC2440-III单板机.rar3. 基于8098单片机的SPWM变频调速系统.zip4. Keil C51库函数参考.zip5. 基于云计算的MCU开发.zip6. 基于单片机系统的(24,16)循环码编码、译码方案.zip7. C8051F020.pdf8. MiniSTM32开发板-定时器中断实验教程.zip9. 基于89C52的二极管特性测试器的设计.zip10. 基于HITAG读写芯片HTRC110的读写设备设计.zip11. Freescale MQX实时操作系统用户手册.zip12. 基于MSP430单片机的智能水位计设计.zip13. MAXX9257 MAX9258芯片可编程SerDes持续时间计算.pdf14. Freescale 系列单片机常用模块与综合系统设计.zip15. 基于AVR单片机的闭环控制系统.zip16. MICROTUNE推出高性能、低成本、超小型接收器芯片.rar17. 实时单片机通讯网络中的内存管理.zip18. Mini2440启动代码详解.zip19. 单片直接驱动数码管的计数器程序.zip20. 利用Virtex-6控制器提升DDR SDRAM的效率.zip21. Star-Hspice特征与应用.zip22. AVR单片机C语言实例书籍集合.zip23. 基于单片机和PSD的数制化电源.zip24. 基于PIC16F877A的混沌信号发生器的设计.zip25. 基于单片机的旋转编码器鉴相方法.zip26. CEPARK-AVR单片机教程LCD12232液晶显示实验.zip27. DS34S132(TDMoP)IC与其它TDMoP器件的互操作.pdf28. PIC单片机应用常见问答.rar29. 基于AVR的SD卡数据导出接口设计.zip30. PICMicro中档单片机系列参考手册(中文资料).rar31. 常用PIC系列单片机速查表.rar32. 基于PIC18F1320微控制器的信号采集系统.rar33. Microchip PIC系列单片机RS232通讯应用.rar34. 基于MT8880的一键拨号电话系统设计.rar35. Atmel AT89C系列单片机电路板设计指南.rar36. 基于单片机的颜色自适应识别电路.rar37. PIC单片机应用资料_很好的PIC单片机学习资料.rar38. 基于瑞萨电子微控制器的温度控制系统设计.rar39. 51单片机的靶机自动控制系统.rar40. 基于MSP430F1611单片机的音频信号分析仪设计.rar41. 基于MAX7219的LED数码显示驱动电路设计.rar42. ARM处理器的可定制MCU处理DSP算法.rar43. Broadcom推出全球第一个802.11n单芯片解决方案.rar44. 51单片机增量式PID控制算法.rar45. 基于PIC16C71的数字水温配制阀的设计.rar46. libxml编译教程.rar47. PROG430专业MSP430单片机编程器(USB)使用说明书.pdf48. 单片机开发高手之路.rar49. 单片机几种软件滤波程序示例.rar50. AVR常用库函数介绍.rar51. 基于AT89S52单片机的计算器设计.rar52. 单片机C语言控制电机星三角自动起动.rar53. 实用单片机系统MS3.21程序分析.rar54. 单片机C语言中LCD菜单的方法实现.rar55. PICkit单片机编程器用户指南.rar56. 单片机C语言编程中多位乘法运算问题探讨.rar57. 单片机解码红外遥控器.rar58. 高性能、低价格、支持JTAG仿真的ATMEGA16单片机.rar59. AVR单片机BASIC编程及开发.rar60. 单片机输出控制电路的制作.rar61. ARM7与MSP430单片机的区别.rar62. 基于单片机的数字化B超键盘设计.rar63. STC89C5X单片机“看门狗”原理、详细说明和演示程序.rar64. PROTEUS 51单片机的电路仿真方法.rar65. 通用1553B总线的信息监控系统.rar66. UC/OS-II系统在C8051F120单片机上的移植过程.doc67. 单片机综合设计原理下载.rar68. 单片机控制的铅酸蓄电池充电电源.rar69. 单片机通信系统中CRC算法与硬件环境编程的实现.rar70. ISP单片机实验板学习.rar71. 基于CH341A的USB串口通讯设计.rar72. 51单片机C语言实例浅析.rar73. 基于TLC1549的阀门开度仪设计.rar74. PIC单片机定时器模块应用.rar75. S7-300和M7-300可编程序控制器参考手册.rar76. 51端口的结构及工作原理.rar77. 反激式开关电源电子数据表格.rar78. 51单片机实现的RS485通讯程序.rar79. 搭建理想的手机芯片平台.pdf80. 单片机双工通信的校验方式.rar81. PIC单片机的RS232通讯程序.rar82. AVR单片机与串行AD的SPI接口设计.rar83. Delphi串口通信编程教程.rar84. 凌阳单片机开发资料.rar85. 用多处理器系统级芯片解决手机的多媒体任务需求.pdf86. 铁氧体PQ芯产品系列扩展.pdf87. DK4.1P-多功能数字卡拉OK处理器.pdf88. 飞思卡尔MC9S08AW60 最小系统设计与实现.rar89. 透过专利看微处理器的技术发展.pdf90. MC68HC08系列单片机原理与应用.rar91. C8051F单片机介绍.pdf92. 基于单片机控制的智能微波信号源发生器.rar93. 新一代超低功耗16位单片机TI MSP430系列.pdf94. 基于单片机的存储设备转储器.rar95. 芯片系统架构技术及开发平台研究之推动.pdf96. 基于C8051F020的自动测控LED节能照明系统.rar97. 基于单片机的新型节能日光灯系统设计.rar98. 单片微机系统测控技术设计集合.rar99. 基于PIC16C73的电子束焊机电视监视系统.rar100. 电子工程师基本知识结构.rar

    标签: 电子技术

    上传时间: 2013-07-21

    上传用户:eeworm

  • VIP专区-单片机源代码精选合集系列(55)

    eeworm.com VIP专区 单片机源码系列 54资源包含以下内容:1. SST单片机应用文集--从SST89C58转成SST89E5.pdf2. 简单实用的单片机CRC快速算法.pdf3. MTK平台维修分析--D660U盘、充电、铃音、拍照.pdf4. 基于单片机控制的充电电池容量测试电路的设计.pdf5. 自动计量分装机的控制系统.pdf6. MTK平台维修培训--不开机、不下载部分.pdf7. 浅谈单片机应用系统键盘的扩展方法.pdf8. 单片机虚拟实验室的建设.pdf9. 液晶并口烧录器.pdf10. 51系列单片机开发板介绍.pdf11. 中国再制造工程的发展现状.pdf12. 液晶串口烧录器.pdf13. 51单片机教程精练习题集.pdf14. PStar V6及CoPIC 7X使用说明书.pdf15. 常用主板I/O芯片简介.pdf16. UPSD3200系列单片机概述.pdf17. 3ePIC单片机实验板使用说明书.pdf18. EM78系列单片机简介.pdf19. 《单片机课程设计(B)》课程模块教学大纲.pdf20. 《单片机及接口技术》实验指导书.pdf21. 基于MSP430单片机的交流频率检测系统.pdf22. 《单片机原理及应用》实验教学大纲.PDF23. 单片机PIC16F73产生SPWM波在UPS电源中的应用.doc24. 基于LM3S316的微控制器仿真USB设备.pdf25. 录音笔的设计与实现.doc26. ICL7135的串行采集方式在单片机电压表中的应用.doc27. S7-300 and M7-300 Programmable.rar28. 基于73M223的FSK制式调制解调器电路设计.pdf29. 单片机初学者教程.pdf30. 基于89C51单片机的高压静电发生器设计与实现.pdf31. MAX488在多机通讯中的应用.pdf32. 基于89C52的油气分析箱体温度控制系统的设计.pdf33. 常用PIC系列8位单片机芯片引脚符号的功能.doc34. 基于单片机的智能家居WebServer开发及应用.pdf35. PIC8位单片机汇编语言常用指令的识读.doc36. 用74HC595芯片驱动LED的电路设计.pdf37. 32段CMOS_LCD驱动器AY0438_及其单片机的接口设.pdf38. 用MCS51单片机制作的音乐喷泉控制器.pdf39. 一种单片机固件IAP方案.pdf40. Modicon Premium T PCX 57在邮政分拣系.pdf41. 基于MCS-51的16x16点阵LED电子显示屏的设计.doc42. 基于单片机虚拟串口驱动LCD1602的电路仿真.pdf43. 物理科学与电子技术学院实验课表.pdf44. SC9638EP 带MCU的CD播放伺服控制电路(带钟控和收.pdf45. 基于12864LCD的波形显示系统的研制.pdf46. EMC8位单片机EM78系列一览表.pdf47. 基于双单片机的多路数据采集系统设计.pdf48. 电梯的单片机串行传输.pdf49. 网络安全产品研究.pdf50. 基于凌阳单片机的红外泵液器的设计.pdf51. 多功能钟控语音提醒器.pdf52. 谈职业技术学院的单片机教学.pdf53. 基于单片机系统的红外遥控器应用.pdf54. 多通道串行双极性数字发送电路设计.pdf55. 凌阳单片机学习指南.pdf56. 基于单片机技术的调距桨螺距控制系统.pdf57. 基于单片机IAP技术的LED显示屏控制系统的设计.pdf58. 利用PROTEUS VSM建立单片机虚拟实验室.pdf59. 基于单片机和CPLD的任意波形发生器的设计.pdf60. 基于Proteus的单片机PWM直流调速系统设计.pdf61. 基于GSM网络汽车报警器的设计.pdf62. 基于单片机的时钟设计.pdf63. 基于PICMicro单片机的汽车胎压监视系统TPMS.pdf64. 单片机应用与系统设计.pdf65. 基于单片机的嵌入式智能洗衣机系统设计.pdf66. 基于MSP430单片机的智能调光器.pdf67. 基于单片机的节水灌溉自动控制器的设计.pdf68. 基于AT89C51单片机的压力控制系统设计.pdf69. 基于MSP430FI33单片机的智能温控仪.pdf70. 基于AT89C51单片机的数字电压表的Proteus仿真设计.pdf71. 基于Modem的单片机与PC机远程数据传输设计.pdf72. 单片机原理与应用--邹应全.pdf73. 74LS04_MOTOROLA_39221.pdf74. Verilog HDL的基本知识--周立功Actel产品线.pdf75. 基于AT89C51单片机的高精度测温系统的研制.pdf76. 单片机在排灌泵站节能改造中的应用.pdf77. 基于89C51单片机的交通流量计数抽样仪的设计.pdf78. MSP430系统实验教程.pdf79. 用MCS-51单片机替代自动定标器的定时和计数电路.pdf80. LM324集成四运放的直流电动机调速器的设计.pdf81. 非接触传感器的单片机温度检测系统.pdf82. 单片机在电磁振动给料机中的应用.pdf83. Verilog HDL的基本语法--周立功Actel产品线.pdf84. 单片机远程通信系统.pdf85. MCS-51单片机系统结构.pdf86. 单片机原理与应用实验指导书(蔺超文 陈跃 张清 编).pdf87. 单片机原理与应用--唐露新.ppt88. 单片机原理与接口技术实验教材.pdf89. 单片机原理及应用实验指导(山东农业大学).pdf90. 《单片机原理及应用实验》教学大纲(淮阴师范学院).pdf91. 单片机原理及应用实训指导书--Atmega16的C语言开发的.pdf92. 基于PROTEUS的单片机系统设计与仿真.ppt93. 《单片机与接口技术》试卷集.pdf94. 单片机系统的工作原理--胡仁杰.pdf95. 单片机的MODEM通讯.pdf96. 单片机与接口技术--无锡职业技术学院.pdf97. 单片机原理及接口技术实验指导书.pdf98. 汽车传感器的应用和现状.pdf99. 单片机与FX系列PLC通信协议应用研究.pdf100. 单片机实验室.pdf

    标签: 电容器

    上传时间: 2013-07-14

    上传用户:eeworm