Datasheet
33.8.7 Software Trigger
Name: SWTRIG
Offset: 0x0C
Reset: 0x00
Property: Write-Protected, Write-Synchronized
Bit 7 6 5 4 3 2 1 0
START FLUSH
Access
R/W R/W
Reset 0 0
Bit 1 – START ADC Start Conversion
Writing this bit to zero will have no effect.
Value Description
0
The ADC will not start a conversion.
1
The ADC will start a conversion. The bit is cleared by hardware when the conversion has
started. Setting this bit when it is already set has no effect.
Bit 0 – FLUSH ADC Conversion Flush
After the flush, the ADC will resume where it left off; i.e., if a conversion was pending, the ADC will start a
new conversion.
Writing this bit to zero will have no effect.
Value Description
0
No flush action.
1
"Writing a '1' to this bit will flush the ADC pipeline. A flush will restart the ADC clock on the
next peripheral clock edge, and all conversions in progress will be aborted and lost. This bit
will be cleared after the ADC has been flushed.
After the flush, the ADC will resume where it left off; i.e., if a conversion was pending, the
ADC will start a new conversion.
SAM D21 Family
ADC – Analog-to-Digital Converter
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 913