SH7144 Datasheet, PDF (368/773 Pages) Renesas Technology Corp – Hitachi SuperH RISC engine

Operation when Error Occurs during Phase Counting Mode Operation, and Operation is
Restarted in Phase Counting Mode: Figure 11.104 shows an explanatory diagram of the case
where an error occurs in phase counting mode and operation is restarted in phase counting mode
after re-setting.
MTU module output
TIOC*A
1
2
RESET TMDR
(PCM)
3
TIOR
(1 init
0 out)
4
PFC
(MTU)
5
TSTR
(1)
6
Match
7
8
9
Error PFC TSTR
occurs (PORT) (0)
10
TMDR
(PCM)
11
TIOR
(1 init
0 out)
12
PFC
(MTU)
13
TSTR
(1)
TIOC*B
Port output
PEn
High-Z
PEn
High-Z
n=0 to 15
Figure 11.104 Error Occurrence in Phase Counting Mode,
Recovery in Phase Counting Mode
1 to 9 are the same as in figure 11.101.
10. Not necessary when restarting in phase counting mode.
11. Initialize the pins with TIOR.
12. Set MTU output with the PFC.
13. Operation is restarted by TSTR.
Rev. 2.0, 09/02, page 328 of 732