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I2C

I2C总线是由Philips公司开发的一种简单、双向二线制同步串行总线。它只需要两根线即可在连接于总线上的器件之间传送信息。
  • PCA9535 PCA9535C 16bit I2C bus

    The PCA9535 and PCA9535C are 24-pin CMOS devices that provide 16 bits of GeneralPurpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and wasdeveloped to enhance the NXP Semiconductors family of I2C-bus I/O expanders. Theimprovements include higher drive capability, 5 V I/O tolerance, lower supply current,individual I/O configuration, and smaller packaging. I/O expanders provide a simplesolution when additional I/O is needed for ACPI power switches, sensors, push buttons,LEDs, fans, etc.

    标签: 9535 PCA 9535C I2C

    上传时间: 2013-10-21

    上传用户:爱死爱死

  • PCA9516 I2C中继器

    PCA9516 是一款基于BICMOS 工艺的I2C/SMBus 总线中继器。PCA9516 保持I2C 总线系统所有的模式与特性的同时,允许扩展I2C/时钟总线和连接5 条最大容限为400pF 电容的总线。当I2C 总线上有400pF 的电容时,总线长度和器件的数量都会被限制。系统设计者把总线分成五部分,各部分之间的传输只有一个复用器的延时。

    标签: 9516 PCA I2C 中继器

    上传时间: 2013-11-13

    上传用户:75119158

  • PCA9536 4bit I2C bus and SMBus

    The PCA9536 is an 8-pin CMOS device that provides 4 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. I/O expanders providea simple solution when additional I/O is needed for ACPI power switches, sensors,push buttons, LEDs, fans, etc.

    标签: SMBus 9536 4bit PCA

    上传时间: 2013-10-09

    上传用户:731140412

  • PCA9517 Level translating I2C-

    The PCA9517 is a CMOS integrated circuit that provides level shifting between lowvoltage (down to 0.9 V) and higher voltage (2.7 V to 5.5 V) I2C-bus or SMBus applications.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 two buses of 400 pF. Usingthe PCA9517 enables the system designer to isolate two halves of a bus for both voltageand capacitance. The SDA and SCL pins are over voltage tolerant and arehigh-impedance when the PCA9517 is unpowered.

    标签: translating Level 9517 PCA

    上传时间: 2013-12-25

    上传用户:wsf950131

  • PCA9537 4bit I2C bus and SMBus

    The PCA9537 is a 10-pin CMOS device that provides 4 bits of General Purpose parallelInput/Output (GPIO) expansion with interrupt and reset for I2C-bus/SMBus applicationsand was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders.I/O expanders provide a simple solution when additional I/O is needed for ACPI powerswitches, sensors, push-buttons, LEDs, fans, etc.

    标签: SMBus 9537 4bit PCA

    上传时间: 2013-10-14

    上传用户:wuchunzhong

  • PCA9517低电压I2C总线中继器

    PCA9517 是一款基于CMOS 工艺的低电压I2C 中继器,在I2C 总线或SMBus 应用中进行高低电压转换。PCA9517 能够在电平转换期间保持总线所有的操作模式和特性,通过数据线(SDA)和时钟线(SCL)的双向缓存实现I2C 总线扩展,总线最大容性负载为400pF。PCA9517 能够隔离器件总线两端的电压和容性负载。SDA 和SCL 引脚具有过压保护功能,在掉电的情况下为高阻状态。

    标签: 9517 PCA I2C 低电压

    上传时间: 2013-10-08

    上传用户:zgz317

  • PCA9538 8bit I2C bus and SMBus

    The PCA9538 is a 16-pin CMOS device that provides 8 bits of General Purpose parallelInput/Output (GPIO) expansion with interrupt and reset for I2C-bus/SMBus applicationsand was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders.I/O expanders provide a simple solution when additional I/O is needed for ACPI powerswitches, sensors, push-buttons, LEDs, fans, etc.

    标签: SMBus 9538 8bit PCA

    上传时间: 2014-01-24

    上传用户:youmo81

  • PCA9539 PCA9539R 16-bit I2C-bu

    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.

    标签: 9539 PCA 9539R C-bu

    上传时间: 2013-11-10

    上传用户:ewtrwrtwe

  • PCA9518A I2C 中继器集线器与扩展器

    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。

    标签: 9518A 9518 PCA I2C

    上传时间: 2013-11-16

    上传用户:黄华强

  • PCA9540B 2channel I2C bus mult

    The PCA9540B is a 1-of-2 bidirectional translating multiplexer, controlled via the I2C-bus.The SCL/SDA upstream pair fans out to two SCx/SDx downstream pairs, or channels.Only one SCx/SDx channel is selected at a time, determined by the contents of theprogrammable control register.

    标签: 2channel 9540B 9540 mult

    上传时间: 2014-12-28

    上传用户:nshark