Section 9 Multi-Function Timer Pulse Unit 2 (MTU2)
Rev. 3.00 Sep. 27, 2007 Page 297 of 758
REJ09B0243-0300
15. Counter Clearing by TGRA_3 Compare Match
In complementary PWM mode, by setting the CCE bit in the timer waveform control register
(TWCR), it is possible to have TCNT_3, TCNT_4, and TCNTS cleared by TGRA_3 compare
match.
Figure 9.62 illustrates an operation example.
Notes: 1. Use this function only in complementary PWM mode 1 (transfer at crest)
2. Do not specify synchronous clearing by another channel (do not set the SYNC0 to
SYNC4 bits in the timer synchronous register (TSYR) to 1 or the CE0A, CE0B, CE0C,
CE0D, CE1A, CE1B, CE1C, and CE1D bits in the timer synchronous clear register
(TSYCR) to 1).
3. Do not set the PWM duty value to H'0000.
4. Do not set the PSYE bit in timer output control register 1 (TOCR1) to 1.
TGRA_3
TGRB_3
TCDR
TDDR
H'0000
Output waveform
Output waveform
Output waveform is active-high.
Counter cleared
by TGRA_3 compare match
Figure 9.62 Example of Counter Clearing Operation by TGRA_3 Compare Match
Summary of Contents for SH7124 R5F7124
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