2.3.1 Missing Codes When Using Internal Reference and CPU is Running

The ADC has missing codes when selecting internal reference (REFSEL in ADCn.CTRLC) and performing conversions when the CPU runs.

Work Around

Perform ADC conversions using external reference or keep the device in Idle or Standby sleep mode.

Affected Silicon Revisions

Rev. A0 Rev. A2 Rev. A4
X X X