Hello, I'd like to connect the nRF52840 to four I2C sensors. These sesnors may or may not have the same address and they will all be at the end of their own 2 meter long cables. Since some address might be the same and for signal quality reasons, I don't want to put these sensors on the same I2C bus. Since the I2C pins can be assigned to any digital GPIO, I was thinking of having four separate I2C paths (using 8 GPIO pins) and reassign the I2C to each pair as I communicate with each sensor one at a time. When the I2C is directed to Pair A, Pairs B, C and D could be configured as digital inputs and the pull-ups on each pair would lets those signals idle high. Do you know of a reason why this wouldn't work? Thank you!
