Renesas SH7641 - Manual (Page 699)

Section 18 Multi-Function Timer Pulse Unit (MTU)
Rev. 4.00 Sep. 14, 2005 Page 649 of 982
REJ09B0023-0400
(6) Operation when Error Occurs during Normal Mode Operation, and Operation is
Restarted in Reset-Synchronous PWM Mode
Figure 18.90 shows an explanatory diagram of the case where an error occurs in normal mode and
operation is restarted in reset-synchronous PWM mode after re-setting.
1
RESET
2
TMDR
(normal)
3
TOER
(1)
5
PFC
(MTU)
4
TIOR
(1 init
0 out)
6
TSTR
(1)
7
Match
8
Error
occurs
9
PFC
(PORT)
10
TSTR
(0)
11
TIOR
(0 init
0 out)
12
TIOR
(disabled)
13
TOER
(0)
14
TOCR
15
TMDR
(CPWM)
16
TOER
(1)
17
PFC
(MTU)
18
TSTR
(1)
High-Z
High-Z
High-Z
MTU module
output
TIOC3A
TIOC3B
TIOC3D
Port output
TIOC3B/PTE[6]
TIOC3A/PTE[7]
TIOC3D/PTE[4]
Figure 18.90 Error Occurrence in Normal Mode, Recovery in Reset-Synchronous PWM
Mode
1 to 13 are the same as in figure 18.89.
14. Select the reset-synchronous PWM output level and cyclic output enabling/disabling with
TOCR.
15. Set reset-synchronous PWM.
16. Enable channel 3 and 4 output with TOER.
17. Set MTU output with the PFC.
18. Operation is restarted by TSTR.