Microchip Technology megaAVR 0 Series Manual page 208

19.6.9 Event Control
Name: EVCTRL
Offset: 0x09
Reset: 0x00
Property: -
Bit 7
Access
Reset
Bits 2:1 – EVACT[1:0] Event Action
These bits define what type of event action the counter will increment or decrement.
Value Name
0x0 EVACT_POSEDGE Count on positive edge event
0x1 EVACT_ANYEDGE Count on any edge event
0x2 EVACT_HIGHLVL
0x3 EVACT_UPDOWN Count on prescaled clock. The Event controls the count direction. Up-
Bit 0 – CNTEI Enable Count on Event Input
Value Description
0 Counting on Event input is disabled
1 Counting on Event input is enabled according to EVACT bit field
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2018 Microchip Technology Inc.
6 5
Description
Count on prescaled clock while event line is 1.
counting when the event line is 0, down-counting when the event line is
1.
16-bit Timer/Counter Type A (TCA)
4 3
Datasheet Preliminary
®
megaAVR 0-Series
2 1
EVACT[1:0]
R/W R/W
0 0
DS40002015A-page 208
0
CNTEI
R/W
0