This anomaly applies to IC Rev. Revision 2, build codes SICA-B1A, SIBA-B1A, SIAA-B1A.
It was inherited from the previous IC revision
Revision 1.
Symptoms
SAADC stops working.
Conditions
- Switching from multiple channels to a single channel when BURST is disabled and acquisition time is <10 us
- Switching from multiple channels to a single channel when BURST is enabled
Consequences
SAADC internally locks up and does not generate the expected events.
Workaround
Execute the following code before changing the channel configuration.