HD6417660 RENESAS [Renesas Technology Corp], HD6417660 Datasheet - Page 388

• Manufacturer Part Number: HD6417660
• Description: Renesas 32-Bit RISC Microcomputer
• Manufacturer: RENESAS [Renesas Technology Corp]

Rev. 1.00, 02/04, page 350 of 804
Bit
7
6
5
4
3
Bit Name
TME
WT/IT
RSTS
WOVF
IOVF
0
0
0
Initial
Value
0
0
R/W
R/W
R/W
R/W
R/W
R/W
Description
Timer Enable
Starts and stops timer operation. Clear this bit to 0
when using the WDT in standby mode or when
changing the clock frequency.
0: Timer disabled
1: Timer enabled
Timer Mode Select
Selects whether to use the WDT as a watchdog timer
or an interval timer.
0: Use as interval timer
1: Use as watchdog timer
Note: If WT/IT is modified when the WDT is running,
the up-count may not be performed correctly.
Reset Select
Selects the type of reset when the WTCNT overflows
in watchdog timer mode. In interval timer mode, this
setting is ignored.
0: Power-on reset
1: Manual reset
Watchdog Timer Overflow
Indicates that the WTCNT has overflowed in
watchdog timer mode. This bit is not set in interval
timer mode.
0: No overflow
1: WTCNT has overflowed in watchdog timer mode
Interval Timer Overflow
Indicates that the WTCNT has overflowed in interval
timer mode. This bit is not set in watchdog timer
mode.
0: No overflow
1: WTCNT has overflowed in interval timer mode
Count-up stops and WTCNT value is retained