Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet
Product codes
AT91SAM9N12-EK
658
SAM9N12/SAM9CN11/SAM9CN12 [DATASHEET]
11063K–ATARM–05-Nov-13
37.6.12.2 WAVSEL = 10
When WAVSEL = 10, the value of TC_CV is incremented from 0 to the value of RC, then automatically reset on a RC
Compare. Once the value of TC_CV has been reset, it is then incremented and so on. See
Compare. Once the value of TC_CV has been reset, it is then incremented and so on. See
.
It is important to note that TC_CV can be reset at any time by an external event or a software trigger if both are
programmed correctly. See
programmed correctly. See
In addition, RC Compare can stop the counter clock (CPCSTOP = 1 in TC_CMR) and/or disable the counter clock
(CPCDIS = 1 in TC_CMR).
(CPCDIS = 1 in TC_CMR).
Figure 37-10. WAVSEL = 10 without Trigger
Figure 37-11. WAVSEL = 10 with Trigger
Time
Counter Value
R
C
R
B
R
A
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