at91sam9263 ATMEL Corporation, at91sam9263 Datasheet - Page 635

• Manufacturer Part Number: at91sam9263
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

Figure 36-10. WAVSEL = 10 With Trigger
36.5.11.3
6249D–ATARM–20-Dec-07
WAVSEL = 01
Waveform Examples
0xFFFF
Counter Value
R
R
R
TIOB
TIOA
When WAVSEL = 01, the value of TC_CV is incremented from 0 to 0xFFFF. Once 0xFFFF is
reached, the value of TC_CV is decremented to 0, then re-incremented to 0xFFFF 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 cannot be programmed to generate a trigger in this configuration.
At the same time, RC Compare can stop the counter clock (CPCSTOP = 1) and/or disable the
counter clock (CPCDIS = 1).
C
B
A
Figure
36-11.
Counter cleared by compare match with RC
AT91SAM9263 Preliminary
Counter cleared by trigger
Figure
36-12.
Time
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