PCAL6534 expander equivalent, ultra low-voltage translating 34-bit fm+ i2c-bus/smbus i/o expander.
* I2C-bus to parallel port expander
* 1 MHz Fast-mode Plus I2C-bus
* Operating power supply voltage range of 0.8 V to 3.6 V on the I2C-bus side
* Allows b.
for interfacing to sensors, push buttons, keypad, etc. In addition to providing a flexible set of GPIOs, it simplifies i.
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