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Section 11 Multi-Function Timer Pulse Unit 2
R01UH0134EJ0400 Rev. 4.00 Page 627 of 2108
Sep 24, 2014
SH7262 Group, SH7264 Group
(9) Operation when Error Occurs during PWM Mode 1 Operation, and Operation is
Restarted in PWM Mode 2
Figure 11.123 shows an explanatory diagram of the case where an error occurs in PWM mode 1
and operation is restarted in PWM mode 2 after re-setting.
1
RESET
2
TMDR
(PWM1)
3
TOER
(1)
5
PFC
(MTU2)
4
TIOR
(1 init
0 out)
6
TSTR
(1)
7
Match
8
Error
occurs
9
PFC
(PORT)
10
TSTR
(0)
11
TMDR
(PWM2)
12
TIOR
(1 init
0 out)
13
PFC
(MTU2)
14
TSTR
(1)
MTU2 module output
TIOC*A
TIOC*B
Port output
PEn
PEn
Not initialized (TIOC*B)
Not initialized (cycle register)
n = 0 to 15
High-Z
High-Z
Figure 11.123 Error Occurrence in PWM Mode 1, Recovery in PWM Mode 2
1 to 10 are the same as in figure 11.121.
11. Set PWM mode 2.
12. Initialize the pins with TIOR. (In PWM mode 2, the cycle register pins are not initialized.)
13. Set the multi-function timer pulse unit 2 output with the general I/O port.
14. Operation is restarted by TSTR.
Note: PWM mode 2 can only be set for channels 0 to 2, and therefore TOER setting is not
necessary.