SH7147 Datasheet, PDF (509/1108 Pages) Renesas Technology Corp – 32-Bit RISC Microcomputer SuperH™ RISC engine Family

Section 10 Multi-Function Timer Pulse Unit 2 (MTU2) and Multi-Function Timer Pulse Unit 2S (MTU2S)
Operation when Error Occurs during Reset-Synchronized PWM Mode Operation, and
Operation is Restarted in PWM Mode 1: Figure 10.163 shows an explanatory diagram of the
case where an error occurs in reset-synchronized PWM mode and operation is restarted in PWM
mode 1 after re-setting.
MTU2 module output
1
2
3
4
5
6
RESET TOCR TMDR TOER PFC TSTR
(RPWM) (1) (MTU2) (1)
7
8
9
10
11
12
13
14
Match Error PFC TSTR TMDR TIOR PFC TSTR
occurs (PORT) (0) (PWM1) (1 init (MTU2) (1)
0 out)
TIOC3A
TIOC3B
Not initialized (TIOC3B)
TIOC3D
Not initialized (TIOC3D)
Port output
PE8
Hi-Z
PE9
Hi-Z
PE11
Hi-Z
Figure 10.163 Error Occurrence in Reset-Synchronized PWM Mode,
Recovery in PWM Mode 1
1 to 10 are the same as in figure 10.162.
11. Set PWM mode 1. (MTU2 positive phase output is low, and negative phase output is high.)
12. Initialize the pins with TIOR. (In PWM mode 1, the TIOC *B side is not initialized.)
13. Set MTU2 output with the PFC.
14. Operation is restarted by TSTR.
Rev. 3.00 Oct. 06, 2008 Page 485 of 1080
REJ09B0230-0300