Hi @Vincent I have almost exactly the same issue as RichT, I have followed the start-up and initialisation procedure in the programmer’s manual for uploading firmware via I2C. However, I get a NACK condition before the firmware has finished uploading. Just saying the I2C firmware upload works on your end is not very helpful. I also can’t read that proprietary I2C log file you provided. It would be useful if you could send us some example code for uploading firmware via I2C to BNI260 RAM?
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