PI4IOE5V9535 port equivalent, 16-bit i2c-bus and smbus i/o port.
Operation power supply voltage from 2.3V to 5.5V 16-bit I/O pins which can be programmed as Input
or Output 5V tolerant I/Os Polarity inversion register Active .
It includes the features such as higher driving capability, 5V tolerance, lower power supply, individual I/O configurati.
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