以Altera公司的Quartus Ⅱ 7.2作为开发工具,研究了基于FPGA的DDS IP核设计,并给出基于Signal Tap II嵌入式逻辑分析仪的仿真测试结果。将设计的DDS IP核封装成为SOPC Builder自定义的组件,结合32位嵌入式CPU软核Nios II,构成可编程片上系统(SOPC),利用极少的硬件资源实现了可重构信号源。该系统基本功能都在FPGA芯片内完成,利用 SOPC技术,在一片 FPGA 芯片上实现了整个信号源的硬件开发平台,达到既简化电路设计、又提高系统稳定性和可靠性的目的。
上传时间: 2013-11-06
上传用户:songkun
8237 可编程DMA控制器 altera提供
上传时间: 2014-12-28
上传用户:fengzimili
labview强大的实现能力 和 PAC可编程自动化控制器 的结合。 labview实现的“证据”,质疑很苍白,LV表示无压力。
上传时间: 2013-10-13
上传用户:GeekyGeek
介绍了软件动态链接技术的概念和特点,提出了基于TI TMS320系列DSP的软件动态链接技术。该技术解决了可重配置的DSP系统中关于软件二进制目标代码的动态加载和卸载的问题。采用该技术的软件重配置方案已成功运用于某多功能通信系统,为基于其他系列DSP的可重构数字处理系统提供了一定的参考,在无人值守设备、多功能信号处理设备方面具有一定的应用价值。
上传时间: 2013-10-14
上传用户:lanwei
The NXP LPC314x combine a 270 MHz ARM926EJ-S CPU core, High-speed USB 2.0OTG, 192 KB SRAM, NAND flash controller, flexible external bus interface, three channel10-bit A/D, and a myriad of serial and parallel interfaces in a single chip targeted atconsumer, industrial, medical, and communication markets. To optimize system powerconsumption, the LPC314x have multiple power domains and a very flexible ClockGeneration Unit (CGU) that provides dynamic clock gating and scaling.
上传时间: 2013-10-11
上传用户:yuchunhai1990
The LPC1850/30/20/10 are ARM Cortex-M3 based microcontrollers for embeddedapplications. The ARM Cortex-M3 is a next generation core that offers systemenhancements such as low power consumption, enhanced debug features, and a highlevel of support block integration.The LPC1850/30/20/10 operate at CPU frequencies of up to 150 MHz. The ARMCortex-M3 CPU incorporates a 3-stage pipeline and uses a Harvard architecture withseparate local instruction and data buses as well as a third bus for peripherals. The ARMCortex-M3 CPU also includes an internal prefetch unit that supports speculativebranching.The LPC1850/30/20/10 include up to 200 kB of on-chip SRAM data memory, a quad SPIFlash Interface (SPIFI), a State Configuration Timer (SCT) subsystem, two High-speedUSB controllers, Ethernet, LCD, an external memory controller, and multiple digital andanalog peripherals.
上传时间: 2014-12-31
上传用户:zhuoying119
This errata sheet describes both the known functional problems and anydeviations from the electrical specifications known at the release date ofthis document.Each deviation is assigned a number and its history is tracked in a table atthe end of the document.
上传时间: 2014-12-31
上传用户:thuyenvinh
The NXP LPC315x combine an 180 MHz ARM926EJ-S CPU core, High-speed USB 2.0OTG, 192 KB SRAM, NAND flash controller, flexible external bus interface, an integratedaudio codec, Li-ion charger, Real-Time Clock (RTC), and a myriad of serial and parallelinterfaces in a single chip targeted at consumer, industrial, medical, and communicationmarkets. To optimize system power consumption, the LPC315x have multiple powerdomains and a very flexible Clock Generation Unit (CGU) that provides dynamic clockgating and scaling.The LPC315x is implemented as multi-chip module with two side-by-side dies, one fordigital fuctions and one for analog functions, which include a Power Supply Unit (PSU),audio codec, RTC, and Li-ion battery charger.
上传时间: 2014-01-17
上传用户:Altman
在DSP系统上运行的程序,系统上电复位后需要加载程序到DSP的程序存储器内。这是使用外部加载模式时的系统开发不可缺少的环节。针对实际需求,提出了一种使用USB对ADSP_TS101S进行链路口加载的方案,并介绍了设计思想和实现过程。实际应用的试验证明,提出的加载方案有效且简单易行。
上传时间: 2013-10-30
上传用户:tianming222
以Altera公司的Quartus Ⅱ 7.2作为开发工具,研究了基于FPGA的DDS IP核设计,并给出基于Signal Tap II嵌入式逻辑分析仪的仿真测试结果。将设计的DDS IP核封装成为SOPC Builder自定义的组件,结合32位嵌入式CPU软核Nios II,构成可编程片上系统(SOPC),利用极少的硬件资源实现了可重构信号源。该系统基本功能都在FPGA芯片内完成,利用 SOPC技术,在一片 FPGA 芯片上实现了整个信号源的硬件开发平台,达到既简化电路设计、又提高系统稳定性和可靠性的目的。
上传时间: 2013-12-22
上传用户:forzalife