bus or SPI applications. The two devices differ only in the serial interface.
can enable the I/Os as either inputs or outputs by writing the I/O configuration bits (IODIRA/B). The data for each input or output
is kept in the corresponding input or output register. The polarity of the Input Port register can be inverted with the Polarity
Inversion register. All registers can be read by the system master.
the 8-bit or 16-bit modes via IOCON.BANK.
|Type||Interface – I/O Expanders|
|Voltage – Supply||1.8 V ~ 5.5 V|
|Operating Temperature||-40°C ~ 125°C|
|Supplier Device Package||28-SOIC|