HD6432160 RENESAS [Renesas Technology Corp], HD6432160 Datasheet - Page 370
HD6432160
Manufacturer Part Number
HD6432160
Description
Hitachi 16-Bit Single-Chip Microcomputer
Manufacturer
RENESAS [Renesas Technology Corp]
Datasheet
1.HD6432160.pdf
(829 pages)
- Current page: 370 of 829
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Rev. 2.0, 08/02, page 330 of 788
Bit
7
6
5
TCSR_1
Bit Name Initial Value R/W
OVF
WT/,7
TME
0
0
0
R/(W)*
R/W
R/W
1
Description
Overflow Flag
Indicates that TCNT has overflowed (changes from H’FF
to H’00).
[Setting condition]
When TCNT overflows (changes from H’FF to H’00)
However, when internal reset request generation is
selected in watchdog timer mode, OVF is cleared
automatically by the internal reset.
[Clearing conditions]
When TCSR is read when OVF = 1*
OVF
When 0 is written to TME
Timer Mode Select
Selects whether the WDT is used as a watchdog timer or
interval timer.
0: Interval timer mode
1: Watchdog timer mode
Timer Enable
When this bit is set to 1, TCNT starts counting.
When this bit is cleared, TCNT stops counting and is
initialized to H'00.
2
, then 0 is written to
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