User manual

41 UNO-4673A/4683 Series User Manual
Appendix B Watchdog Timer Register
B.1.7 Register 7: WatchDog Timer Reset Control Register
(WDTRSTCTR)
OFFSET = 0x018
Based on the watchdog timer time-out frequency which is stored in WDTTR,
WDTINTCTR sets the period of reset. WDTTR plus one as watchdog timer time out
occurred. While the number of occurrences exceeds the value saved in
WDTINTCTR, a reset signal would be issued.
B.1.8 Register 8: WatchDog Timer Alarm Digital Output
(WDTALARMDO)
OFFSET = 0x01C
WDTALARMDO is an alarm which indicates whether watchdog timer time-out occurs.
As soon as watchdog timer time-out takes place, WDTALARMDO
would be set to one till be cleared.
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
User
Settings
Reserved WDTRSTCTR
Bits Access Name D Description
31:8 RO - Reserved 0
x00 = reset
7:0 R/W WDTRSTCTR Reset Occurrence Frequency Setup:
A reset issued when the number of times of
watchdog timer time-out is greater than the
value store in
WDTRSTCTR.
0x00 = reset
Bit 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
User
Settings
Reserved W
D
T
A
L
A
R
M
D
O
Bits Access Name D Description
31:1 - - Reserved 0
x00 = reset
0 - WDTALARMDO Watchdog Timer Timer-out Alarm
0 = reset
1 = watchdog time out takes place