Hi All,
I've created a PCB (same happens on the Open107V dev board) and I'm finding that the I2C comms is failing unless I have an external capacitor of 22pf connected from the SDA line to ground. I know the aim is to keep the capacitance as low as possible when using I2C so this goes against anything I've read so far.
I'm using the SPL rather than HAL, but as it works fine (and waveforms look fine) when the cap is added, highly unlikely that it would be code related.
Does anyone have any suggestions as to where the issue may lie. I'm talking to a 24LC256 Eeprom which is located about 15mm from the MCU.
Regards,
Paul
