PI4IOE5V9539 port equivalent, 16-bit i2c-bus and smbus low power i/o port.
Operation power supply voltage from 2.3V to 5.5V 16-bit I2C-bus GPIO with interrupt and reset 5V tolerant I/Os Polarity inversion register Active LOW interrupt .
It includes the features such as
higher driving capability, 5V tolerance, lower power supply, individual I/O configura.
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