Appendix B Internal I/O Registers
Rev.3.00 Jul. 19, 2007 page 485 of 532
REJ09B0397-0300
TMC—Timer mode register C
H'B4
Timer C
(H8/3857 Group only)
Bit
Initial value
Read/Write
7
TMC7
0
R/W
6
TMC6
0
R/W
5
TMC5
0
R/W
3
⎯
1
⎯
0
TMC0
0
R/W
2
TMC2
0
R/W
1
TMC1
0
R/W
4
⎯
1
⎯
Auto-reload function select
Clock select
0
Internal clock:
Internal clock:
0 0
1
Internal clock:
Internal clock:
1 0
1
1 0 0
1
1 0
1
Internal clock:
Internal clock:
Internal clock:
External event (TMIC):
φ
/8192
φ
/2048
φ
/512
φ
/64
φ
/16
φ
/4
φ
/4
Rising or falling edge
0
Interval timer function selected
1
Auto-reload function selected
W
Counter up/down control
TCC is an up-counter
TCC is a down-counter
0 0
1
TCC up/down operation is hardware-controlled by
input at the UD pin. TCC is a down-counter if the UD
input is high, and an up-counter if the UD input is low.
1
*
Legend: Don't care
*
TCC—Timer counter C
H'B5
Timer C
(H8/3857 Group only)
Bit
Initial value
Read/Write
7
TCC7
0
R
6
TCC6
0
R
5
TCC5
0
R
4
TCC4
0
R
3
TCC3
0
R
0
TCC0
0
R
2
TCC2
0
R
1
TCC1
0
R
Count value
Summary of Contents for F-ZTAT H8 Series
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