View Single Post
Posts: 79 | Thanked: 719 times | Joined on May 2014 @ Buenos Aires, Argentina
We have a new white paper ! This one discusses IO expanders:

An IO expander is a chip that connects to the CPU (in our case via I2C) and provides a number of IO ports. Neo900 will need IO expanders because the CPU doesn't have quite enough pins for all the signals. As an added bonus, IO expanders can also lower the number of signals that have to pass between UPPER and LOWER.

This specific version is at

The source can be found at;a=tree;f=iox

- Werner

The Following 7 Users Say Thank You to wpwrak For This Useful Post: