PCA9537
4-bit I2C-bus and SMBus low power I/O port with interrupt and
reset
Rev. 7 — 8 September 2021
Product data sheet
COMPANY PUBLIC
1 General description
The PCA9537 is a 10-pin CMOS device that provides 4 bits of General Purpose parallel Input/Output (GPIO) expansion with interrupt and reset for I2C-bus/SMBus applications. It was developed to enha...