Atmel Xplained Evaluation Board AT32UC3A3-XPLD AT32UC3A3-XPLD 데이터 시트
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제품 코드
AT32UC3A3-XPLD
763
32072H–AVR32–10/2012
AT32UC3A3
28.6.3.5
WAVSEL = 3
When CMRn.WAVSEL is three, the value of CVn is incremented from zero to RC. Once RC is
reached, the value of CVn is decremented to zero, then re-incremented to RC and so on. See
reached, the value of CVn is decremented to zero, then re-incremented to RC and so on. See
.
A trigger such as an external event or a software trigger can modify CVn at any time. If a trigger
occurs while CVn is incrementing, CVn then decrements. If a trigger is received while CVn is
decrementing, CVn then increments. See
occurs while CVn is incrementing, CVn then decrements. If a trigger is received while CVn is
decrementing, CVn then increments. See
RC Compare can stop the counter clock (CMRn.CPCSTOP = 1) and/or disable the counter clock
(CMRn.CPCDIS = 1).
(CMRn.CPCDIS = 1).
Figure 28-12. WAVSEL = 3 Without Trigger
Time
Counter Value
RC
RB
RA
TIOB
TIOA
Counter cleared by compare match with RC
0xFFFF
Waveform Examples