Datasheet

535
SAM9261 [DATASHEET]
Atmel-6062O-ATARM-SAM9261-Datasheet_21-Jun-16
EEVTEDG: External Event Edge Selection
EEVT: External Event Selection
Note: 1. If TIOB is chosen as the external event signal, it is configured as an input and no longer generates waveforms and
subsequently no IRQs.
ENETRG: External Event Trigger Enable
0: The external event has no effect on the counter and its clock. In this case, the selected external event only controls the
TIOA output.
1: The external event resets the counter and starts the counter clock.
WAVSEL: Waveform Selection
•WAVE
0: Waveform Mode is disabled (Capture Mode is enabled).
1: Waveform Mode is enabled.
ACPA: RA Compare Effect on TIOA
Value Edge
0 0 none
0 1 rising edge
1 0 falling edge
1 1 each edge
Value Signal selected as external event TIOB Direction
00TIOB input
(1)
01XC0 output
10XC1 output
11XC2 output
Value Effect
0 0 UP mode without automatic trigger on RC Compare
1 0 UP mode with automatic trigger on RC Compare
0 1 UPDOWN mode without automatic trigger on RC Compare
1 1 UPDOWN mode with automatic trigger on RC Compare
Value Effect
0 0 none
0 1 set
1 0 clear
1 1 toggle