PI4IOE5V9557 port equivalent, 8-bit i2c-bus and smbus i/o port.
Operation power supply voltage from 2.3V to 5.5V 8-bit I2C-bus GPIO with interrupt and reset 5V tolerant I/Os Polarity inversion register Active LOW Reset Pin .
It includes the features such as higher driving capability, 5V tolerance, lower power supply, individual I/O configurat.
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