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PCA9535C

NXP
Part Number PCA9535C
Manufacturer NXP
Description 16-bit SMBus
Published Jan 8, 2018
Detailed Description PCA9535; PCA9535C 16-bit I2C-bus and SMBus, low power I/O port with interrupt Rev. 6 — 7 November 2017 Product data s...
Datasheet PDF File PCA9535C PDF File

PCA9535C
PCA9535C


Overview
PCA9535; PCA9535C 16-bit I2C-bus and SMBus, low power I/O port with interrupt Rev.
6 — 7 November 2017 Product data sheet 1.
General description The PCA9535 and PCA9535C are 24-pin CMOS devices that provide 16 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, 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.
The PCA9535 and PCA9535C consist of two 8-bit Configuration (Input or Output selection), Input, Output and Polarity Inversion (active HIGH or active LOW operation) registers.
The system master can enable the I/Os as either inputs or outputs by writing to the I/O configuration bits.
The data for each input or output is kept i...


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