hd64338342hw Renesas Electronics Corporation., hd64338342hw Datasheet - Page 627

• Manufacturer Part Number: hd64338342hw
• Description: Renesas 8-bit Single-chip Microcomputer H8 Family/h8/300l Super Low Power Series
• Manufacturer: Renesas Electronics Corporation.

TCW—Timer Counter W
TMC—Timer Mode Register C
Auto-reload function select
Bit
Initial value
Read/Write
Bit
Initial value
Read/Write
0 Interval timer function selected
1 Auto-reload function selected
TCW7
TMC7
R/W
R/W
7
0
7
0
Counter up/down control
0
0
1
TCW6
TMC6
R/W
0 TCC is an up-counter
1 TCC is a down-counter
* Hardware control of TCC up/down operation by UD pin input
R/W
6
0
6
0
UD pin input high: Down-counter
UD pin input low: Up-counter
TCW5
TMC5
R/W
R/W
5
0
5
0
TCW4
R/W
Count value
4
1
4
0
Clock select
0
0
0
0
1
1
1
1
0
0
1
1
0
0
1
1
Rev. 6.00 Aug 04, 2006 page 591 of 680
TCW3
R/W
0
1
0
1
0
1
0
1
3
0
3
1
Internal clock:
Internal clock:
Internal clock:
Internal clock:
Internal clock:
Internal clock:
Internal clock:
External event (TMIC): Counting
on rising or falling edge
Appendix B Internal I/O Registers
H'B3
H'B4
TCW2
TMC2
R/W
R/W
2
0
2
0
TCW1
TMC1
/8192
/2048
/512
/64
/16
/4
w/4
R/W
R/W
REJ09B0145-0600
Watchdog timer
1
0
1
0
* Don't care
TCW0
Timer C
TMC0
R/W
R/W
0
0
0
0