Renesas SH7641 - Manual (Page 640)

Section 18 Multi-Function Timer Pulse Unit (MTU)
Rev. 4.00 Sep. 14, 2005 Page 590 of 982
REJ09B0023-0400
Reset-Synchronized PWM Mode Operation: Figure 18.31 shows an example of operation in the
reset-synchronized PWM mode. TCNT_3 and TCNT_4 operate as upcounters. The counter is
cleared when a TCNT_3 and TGRA_3 compare-match occurs, and then begins counting up from
H'0000. The PWM output pin output toggles with each occurrence of a TGRB_3, TGRA_4,
TGRB_4 compare-match, and upon counter clears.
TGRA_3
TGRB_3
TGRB_4
H'0000
TGRA_4
TIOC3B
TIOC3D
TIOC4A
TIOC4C
TIOC4B
TIOC4D
Time
TCNT3 and TCNT4
values
Figure 18.31 Reset-Synchronized PWM Mode Operation Example
(When the TOCR's OLSN = 1 and OLSP = 1)