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HD64F3039F18 Datasheet, PDF (653/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series | |||
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TCNTâTimer Counter
Appendix B Internal I/O Register Field
H'A9 (read),
H'A8 (write)
WDT
Bit
7
6
5
4
3
2
1
0
Initial value
Read/Write
0
0
0
0
0
0
0
0
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
Count value
RSTCSRâReset Control/Status Register
H'AB (read),
H'AA (write)
Bit
7
6
5
4
3
2
1
WRST RSTOE â
â
â
â
â
Initial value
0
0
1
1
1
1
1
Read/Write R/(W)* R/W
â
â
â
â
â
Reset output enable
0 Reset signal is not output externally
1 Reset signal is output externally
Watchdog timer reset
0 [Clearing condition]
Reset signal input at RES pin, or 0 written by software
1 [Setting condition]
TCNT overflow generates a reset signal
Note: * Only 0 can be written in bit 7 to clear the flag.
WDT
0
â
1
â
Rev.3.00 Mar. 26, 2007 Page 629 of 682
REJ09B0353-0300
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