Hi, I have already disabled the compensation iDAC, so technically it should work. I have updated my question to make this clearer.
Update: To make things clearer, I have disabled the compenstation iDAC, so it should be possible to include the 7-bit iDAC.
It seems however, that there is a bottleneck in the analog routing fabric, for when I removing the iDAC output pin, the analog routing is successful. Currently, I am using the ADC and the LPcomparator.
It seems that there is not enough analog routing fabric to support all these analog blocks and pins.
What pins are you using as IDAC outputs ? IDAC output might need to use Amux bus resources for the output pins to be connected to IDAC. See CYDWR, analog tab and see how the outputs are routed. This will let you know what is causing the problem.