NXP Semiconductors PCAL6524EV-ARD, manuals:
The NXP Semiconductors PCAL6524EV-ARD is a versatile I/O expander evaluation board. Easily interface with a variety of devices using this board. For detailed instructions on how to utilize this product, download the free User Manual from 88.208.23.73:8080. Stay informed and maximize the potential of your PCAL6524EV-ARD.