Datasheet
34.8.3 Event Control
Name: EVCTRL
Offset: 0x02
Reset: 0x0000
Property: PAC Write-Protection, Enable-Protected
Bit 15 14 13 12 11 10 9 8
COMPEIx COMPEIx COMPEIx COMPEIx
Access
R/W R/W R/W R/W
Reset 0 0 0 0
Bit 7 6 5 4 3 2 1 0
WINEOx WINEOx COMPEOx COMPEOx COMPEOx COMPEOx
Access
R/W R/W R/W R/W R/W R/W
Reset 0 0 0 0 0 0
Bits 11,10,9,8 – COMPEIx Comparator x Event Input
Note that several actions can be enabled for incoming events. If several events are connected to the
peripheral, the enabled action will be taken for any of the incoming events. There is no way to tell which
of the incoming events caused the action.
These bits indicate whether a comparison will start or not on any incoming event.
Value Description
0
Comparison will not start on any incoming event.
1
Comparison will start on any incoming event.
Bits 5,4 – WINEOx Window x Event Output Enable
These bits indicate whether the window x function can generate a peripheral event or not.
Value Description
0
Window x Event is disabled.
1
Window x Event is enabled.
Bits 3,2,1,0 – COMPEOx Comparator x Event Output Enable
These bits indicate whether the comparator x output can generate a peripheral event or not.
Value Description
0
COMPx event generation is disabled.
1
COMPx event generation is enabled.
SAM D21 Family
AC – Analog Comparators
© 2018 Microchip Technology Inc.
Datasheet Complete
DS40001882D-page 948