Realtek Ameba-D RTL872 D Series User Manual page 244

24 WDT_CLEAR
23:17 RSVD
16 WDT_EN_BIT
15:0 BIT_VNDR_DIVFACTOR
User Manual
Watchdog Count= (0x00000001 << (COUNTID + 1)) - 1
W 0 Refresh watchdog
N/A 0 Reserved

R/W 0

R/W 1 Dividing factor
Watchdog timer counts with 32.768kHz/(DivFactor + 1), the minimum dividing
factor is 1.
The formula of dividing factor computation is:
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1: Enable watchdog timer
0: Disable watchdog timer
DivFactor = (u16) (Timeout * 100)/(Count * 3)
244
Ameba-D User Manual
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