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Have I erased the ADuC7060 ADC factory calibrations by accident?

Question asked by OliverSedlacek on Apr 20, 2018
Latest reply on Apr 20, 2018 by barryzhang

The ADC0GN register is coming up as zero after reset, and the conversion results are always zero. Running a full scale calibration produces a new gain calibration for ADC1 but not for ADC0. Do I have to use PGA gain 1 for full scale calibration?