I2C protocol mismatch? I've got a problem with the I²C and Arduino. I want to write to the NXP TEF6730 I²C bus in FM radio tuner. TEF6730 datasheet says it complies with the fast-mode I2C-bus protocol (but max used speed is 100kHz - checked with LA). Logic analyzer shows strange SDA change of eve…

I2C protocol mismatch?

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