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Stm8-GPIO

  • PCA9698產(chǎn)品應(yīng)用筆記

    PCA9698 是56 腳的CMOS 器件,能夠?qū)崿F(xiàn)I2C/SMBus 應(yīng)用中40 位通用GPIO 的擴展。改進的特性包括4000pF 的驅(qū)動能力、5V I/O 口、工作電流低于1mA、單獨的I/O 口配置、400kHz I2C 總線時鐘頻率和更小的封裝形式。當(dāng)應(yīng)用中需要額外的I/O 口來連接ACPI(“高級配置與電源接口“這是英特爾、微軟和東芝共同開發(fā)的一種電源管理標準)電源開關(guān)、傳感器、按鈕、LED、風(fēng)扇等時,可使用 I/O 擴展器件實現(xiàn)簡單的解決方案。

    標簽: 9698 PCA 應(yīng)用筆記

    上傳時間: 2013-11-11

    上傳用戶:gundamwzc

  • PCA9534 8bit I2C bus and SMBus low power IO port with interru

    The PCA9534 is a 16-pin CMOS device that provide 8 bits of General Purpose parallel Input/Output (GPIO) expansion for I2C-bus/SMBus applications and was developed to enhance the NXP Semiconductors family of I2C-bus I/O expanders. The improvements include higher drive capability, 5 V I/O tolerance, lower supply current, individual I/O configuration, 400 kHz clock frequency, and smaller packaging. I/O expanders provide a simple solution when additional I/O is needed for ACPI power switches, sensors, push buttons, LEDs, fans, etc.

    標簽: interru SMBus power 9534

    上傳時間: 2013-10-10

    上傳用戶:inwins

  • 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.

    標簽: 9535 PCA 9535C I2C

    上傳時間: 2013-10-21

    上傳用戶:愛死愛死

  • 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.

    標簽: SMBus 9536 4bit PCA

    上傳時間: 2013-10-09

    上傳用戶:731140412

  • 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.

    標簽: SMBus 9537 4bit PCA

    上傳時間: 2013-10-14

    上傳用戶:wuchunzhong

  • 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.

    標簽: SMBus 9538 8bit PCA

    上傳時間: 2014-01-24

    上傳用戶: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.

    標簽: 9539 PCA 9539R C-bu

    上傳時間: 2013-11-10

    上傳用戶:ewtrwrtwe

  • PCA9555 16bit I2C-bus and SMBu

    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.

    標簽: C-bus 9555 SMBu PCA

    上傳時間: 2013-11-13

    上傳用戶:fredguo

  • PCA9698 I2C擴展芯片

    PCA9698 是一款40 位I2C 輸入/輸出擴展器,能夠?qū)崿F(xiàn)I2C/SMBus 應(yīng)用中40 位GPIO 的擴展

    標簽: 9698 PCA I2C 擴展芯片

    上傳時間: 2013-11-21

    上傳用戶:文993

  • AN070231 I O擴展器選型指南

    基于 I2C 總線的GPIO 擴展器件為主控器提供了額外的I/O 口,本文介紹了擴展器件的應(yīng)用場合和選型指南,為設(shè)計者在設(shè)計中提供了參考。

    標簽: 070231 AN 擴展器 選型指南

    上傳時間: 2013-11-11

    上傳用戶:llwap

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