at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 636
at91sam9263
Manufacturer Part Number
at91sam9263
Description
At91 Arm Thumb Microcontrollers
Manufacturer
ATMEL Corporation
Datasheet
1.AT91SAM9263.pdf
(1065 pages)
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Figure 36-11. WAVSEL = 01 Without Trigger
Figure 36-12. WAVSEL = 01 With Trigger
36.5.11.4
636
Waveform Examples
Waveform Examples
0xFFFF
0xFFFF
AT91SAM9263 Preliminary
Counter Value
R
R
R
TIOB
TIOA
Counter Value
TIOB
TIOA
R
R
R
C
B
A
WAVSEL = 11
C
B
A
When WAVSEL = 11, the value of TC_CV is incremented from 0 to RC. Once RC is reached, the
value of TC_CV is decremented to 0, then re-incremented to RC and so on. See
A trigger such as an external event or a software trigger can modify TC_CV at any time. If a trig-
ger occurs while TC_CV is incrementing, TC_CV then decrements. If a trigger is received while
TC_CV is decrementing, TC_CV then increments. See
RC Compare can stop the counter clock (CPCSTOP = 1) and/or disable the counter clock (CPC-
DIS = 1).
Counter decremented by compare match with 0xFFFF
Counter decremented by compare match with 0xFFFF
Counter decremented
by trigger
Figure
36-14.
Counter incremented
by trigger
6249D–ATARM–20-Dec-07
Figure
Time
Time
36-13.
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