teensy 3 I2C speed test vs other MCUs

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manitou

Senior Member+
Here are results for simple block read/write's to an I2C EEPROM for teensy 3.0 and various other MCUs at 100KHz and 400KHz. No surprises. Results in file I2Cperf.txt at

https://github.com/manitou48/DUEZoo

As Paul noted, to change from 100KHz to 400KHz on teensy, edit Wire.cpp, and you probably need to restart the IDE.
 
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