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.
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.