Low-voltage 16-bit I2C-bus GPIO
Description
PCAL9555A
Low-voltage 16-bit I2C-bus GPIO with Agile I/O, interrupt and weak pull-up
Rev. 2 — 19 December 2014
Product data sheet
1. General description
The PCAL9555A is a low-voltage 16-bit General Purpose Input/Output (GPIO) expander with interrupt and weak pull-up resistors for I2C-bus/SMBus applications. NXP I/O expanders provide a simple solution wh...
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