Renesas SH7641 - Manual (Page 713)

Section 18 Multi-Function Timer Pulse Unit (MTU)
Rev. 4.00 Sep. 14, 2005 Page 663 of 982
REJ09B0023-0400
(20) Operation when Error Occurs during Phase Counting Mode Operation, and Operation
is Restarted in Phase Counting Mode
Figure 18.104 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.
1
RESET
2
TMDR
(PCM)
3
TIOR
(1 init
0 out)
5
TSTR
(1)
4
PFC
(MTU)
6
Match
7
Error
occurs
8
PFC
(PORT)
9
TSTR
(0)
10
TMDR
(PCM)
11
TIOR
(1 init
0 out)
12
PFC
(MTU)
13
TSTR
(1)
High-Z
High-Z
MTU module
output
TIOC*A
TIOC*B
Port output
TIOC*A/PTE[n]
TIOC*B/PTE[n]
n = 0 to 15
Figure 18.104 Error Occurrence in Phase Counting Mode,
Recovery in Phase Counting Mode
1 to 9 are the same as in figure 18.101.
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.