PI4IOE5V9536 port equivalent, 4-bit i2c-bus and smbus low power i/o port.
Operation power supply voltage from 2.3V to 5.5V 4-bit I2C-bus GPIO with 5V tolerant I/Os Polarity inversion register Low current consumption 0Hz to 1MHz clock .
It includes the features such as higher driving capability, 5V tolerance, lower power supply, individual I/O configurat.
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