Posted under microcontrollers, microprocessors, tutorial
This post was written by admin on September 19, 2008
Tags: microcontrollers, microprocessors, tutorial
I am trying to use I2C communication between a PIC 18F4520 and a port expansion PCA9554 using C language and am getting nowhere. i know i need to send a sart command and then adress and then data bytes…but nothing is working for me. any comments for help would be appreciated.
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