Generic timer module I2C bus emulation
This Generic Timer Module (GTM) Inter-Integrated Circuit (I2C) Bus Emulation application note is intended to provide details of how to emulate I2C bus Serial Data (SDA) and Serial Clock (SCK) output signals using the GTM Multi- Channel Sequencer (MCS) submodule and the ARU connection Timer Output (ATOM) submodule. The assembly functions are portable to any product that has a GTM module. Porting the application code, which configures the chip and GTM, from one chip to another does require minor changes. Example code in this application note is based on the MPC5777M device.
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Originally published by Freescale Semiconductor at www.freescale.com as "Generic Timer Module (GTM) Inter-Integrated Circuit (I2C) Bus Emulation".
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