NEC V850E/RS1 User Manual page 338

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338
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Chapter 8 16-Bit Timer/Event Counter Q
Figure 8-26: Flowchart of Basic Operation in PWM Mode (1/2)
(a) When values of TQnCCRm register is not rewritten during timer operation
Initial setting
• Select clock.
(TQnCTL0: TQnCKS2 to TQnCKS0)
• Set PWM mode.
(TQnCTL1: TQnMD2 to TQnMD0 = 100)
• Set compare register.
(TQnCCRm)
Enable timer operation (TQnCE = 1)
→ Transfer value of TQnCCRm
register to CCRm buffer register
16-bit counter matches
CCRk buffer register.
TOQnk outputs low level.
16-bit counter matches
CCR0 buffer register.
Clear and start 16-bit counter.
TOQn0 outputs high level.
n = 0 to 1
m = 0 to 3
k = 1 to 3
User's Manual U16702EE3V2UD00
START
INTTQnCCk occurs
INTTQnCC0 occurs