The PCA9539; PCA9539R is a 24-pin CMOS device that provides 16 bits of GeneralPurpose parallel Input/Output (GPIO) expansion with interrupt and reset forI2C-bus/SMbus applications and was developed to enhance the NXP Semiconductorsfamily of I2C-bus I/O expanders. I/O expanders provide a simple solution when additionalI/O is needed for ACPI power switches, sensors, push buttons, LEDs, fans, etc.
上传时间： 2013-11-10
上传用户：ewtrwrtwe
PCA9518 是一款采用BiCMOS 工艺的总线集线器，通过它可以扩展I2C 和SMbus 系统。PCA9518 在保持总线操作模式和特性的情况下，通过缓存数据线（SDA）和时钟线（SCL）的数据实现I2C 总线扩展，使总线最大容性负载为400pF。
上传时间： 2013-11-16
上传用户：黄华强
The PCA9519 is a 4-channel level translating I2C-bus/SMbus repeater that enables theprocessor low voltage 2-wire serial bus to interface with standard I2C-bus or SMbus I/O.While retaining all the operating modes and features of the I2C-bus system during thelevel shifts, it also permits extension of the I2C-bus by providing bidirectional buffering forboth the data (SDA) and the clock (SCL) lines, thus enabling the I2C-bus or SMbusmaximum capacitance of 400 pF on the higher voltage side. The SDA and SCL pins areover-voltage tolerant and are high-impedance when the PCA9519 is unpowered.
标签： 4channel transla level 9519
上传时间： 2013-11-19
上传用户：jisiwole
The PCA9555 is a 24-pin CMOS device that provides 16 bits of General Purpose parallelInput/Output (GPIO) expansion for I2C-bus/SMbus applications and was developed toenhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvementsinclude higher drive capability, 5 V I/O tolerance, lower supply current, individual I/Oconfiguration, and smaller packaging. I/O expanders provide a simple solution whenadditional I/O is needed for ACPI power switches, sensors, push buttons, LEDs, fans, etc.The PCA9555 consists of two 8-bit Configuration (Input or Output selection); Input, Outputand Polarity Inversion (active HIGH or active LOW operation) registers. The systemmaster can enable the I/Os as either inputs or outputs by writing to the I/O configurationbits. The data for each Input or Output is kept in the corresponding Input or Outputregister. The polarity of the read register can be inverted with the Polarity Inversionregister. All registers can be read by the system master. Although pin-to-pin and I2C-busaddress compatible with the PCF8575, software changes are required due to theenhancements, and are discussed in Application Note AN469.
上传时间： 2013-11-13
上传用户：fredguo
PCA9698 是一款40 位I2C 输入/输出扩展器，能够实现I2C/SMbus 应用中40 位GPIO 的扩展
上传时间： 2013-11-21
上传用户：文993
PCA9511, PCA9512, PCA9513, PCA9514, PCA9515, PCA9516, PCA9518,P82B96, P82B715Abstract - Philips Semiconductors family of Repeaters, Hubs and Expanders are detailed in this application notethat discusses device operation, maximum cable length and frequency calculations and typical applications.
上传时间： 2013-11-21
上传用户：wlcaption
The CAT9555 is a CMOS device that provides 16-bitparallel input/output port expansion for I²C and SMbuscompatible applications. These I/O expanders providea simple solution in applications where additional I/Osare needed: sensors, power switches, LEDs,pushbuttons, and fans.
上传时间： 2014-01-09
上传用户：1101055045
关键词 I/O 口扩展芯片、I2C、SMbus摘要CAT9554A 是一款将I2C/SMbus 接口扩展成8 位并行输入/输出I/O 口的器件
上传时间： 2013-12-27
上传用户：txfyddz
关键词 CAT9534、I2C 总线、SMbus、I/O 扩展器摘 要CAT9534 是一款带中断的8 位并行I2C/SMbus 输入/输出端口扩展器件
上传时间： 2013-10-21
上传用户：rocwangdp
关键词 I2C/SMbus、I/O 口扩展摘 要CAT9554 是是一款基于I2C 和SMbus 接口的8 位通用型输入输出(GPIO)扩展器件
上传时间： 2013-12-31
上传用户：woshinimiaoye
