MCP2317 I2C 16 bit I/O expander

MCP2317 I2C 16 bit I/O expander

Hello World

Import programMCP_test

Example of how to use the library for the MCP23017 16 bit expander port for I2C.

Last commit 18 Dec 2010 by Wim Huiskamp

Library

Import libraryMCP23017

Added support for banked registers

Last commit 13 Feb 2012 by Wim Huiskamp

Pinout

Datasheet

http://ww1.microchip.com/downloads/en/DeviceDoc/21952b.pdf

Notes

The I2C I/O expander chip is similar to the SPI device MCP23S17.

DigiKey stocks and sells both SPI and I2C versions in a DIP for around $1.50.

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Questions

0 answers
Test program not working Adamos Christou
9 years, 9 months ago

bit, Expander, I/O, I2C, MCP2317