Product information "Pmod IOXP: I/O Expansion Module"
The Pmod IOXP is an I/O expansion module powered by the Analog Devices ADP5589. By communicating with the chip through I2C, users can take advantage of up to 19 additional I/O pins as well as a keypad matrix decoder.
Communicates via the I2C interface
16-element FIFO for event recording
19 configurable I/Os
Built in keypad decoding for matrices up to 11x8
Open-drain interrupt output
Dual Programmable logic blocks
Debouncing on IOs
Custom antistatic Pmod packaging
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