Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD Data Sheet

Product codes
AT32UC3A3-XPLD
Page of 1021
761
32072H–AVR32–10/2012
AT32UC3A3
Figure 28-8. WAVSEL = 2 Without Trigger
Figure 28-9. WAVSEL = 2 With Trigger
28.6.3.4
WAVSEL = 1
When CMRn.WAVSEL is one, the value of CVn is incremented from 0 to 0xFFFF. Once 0xFFFF
is reached, the value of CVn is decremented to 0, then re-incremented to 0xFFFF and so on.
See 
Time
Counter Value
RC
RB
RA
TIOB
TIOA
Counter cleared by compare match 
with RC
0xFFFF
Waveform Examples
Time
Counter Value
R
C
R
B
R
A
TIOB
TIOA
Counter cleared by compare match with RC
0xFFFF
Waveform Examples
Counter cleared by trigger