SH7641 Datasheet, PDF (718/1036 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH™ RISC engine Family / SH7641 Series

Section 18 Multi-Function Timer Pulse Unit (MTU)
(25) Operation when Error Occurs during Complementary PWM Mode Operation, and
Operation is Restarted in Reset-Synchronous PWM Mode
Figure 18.109 shows an explanatory diagram of the case where an error occurs in complementary
PWM mode and operation is restarted in reset-synchronous PWM mode.
MTU module
output
TIOC3A
1
2
3
4
5
6
7
8
9
10 11 12 13 14 15 16 17
RESET TOCR TMDR TOER PFC TSTR Match Error PFC TSTR TMDR TOER TOCR TMDR TOER PFC TSTR
(CPWM) (1) (MTU) (1)
occurs (PORT) (0) (normal) (0)
(RPWM) (1) (MTU) (1)
TIOC3B
TIOC3D
Port output
TIOC3A/PTE[7]
TIOC3B/PTE[6]
TIOC3D/PTE[4]
High-Z
High-Z
High-Z
Figure 18.109 Error Occurrence in Complementary PWM Mode,
Recovery in Reset-Synchronous PWM Mode
1 to 10 are the same as in figure 18.105.
11. Set normal mode. (MTU output goes low.)
12. Disable channel 3 and 4 output with TOER.
13. Select the reset-synchronous PWM mode output level and cyclic output enabling/disabling
with TOCR.
14. Set reset-synchronous PWM.
15. Enable channel 3 and 4 output with TOER.
16. Set MTU output with the PFC.
17. Operation is restarted by TSTR.
Rev. 4.00 Sep. 14, 2005 Page 668 of 982
REJ09B0023-0400