AT8xC51SND2C
Registers
Table 69. WDTRST Register
WDTRST (S:A6h Write only) – Watchdog Timer Reset Register
7
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
Bit
Bit
Number
Mnemonic Description
7 - 0
-
Watchdog Control Value
Reset Value = XXXX XXXXb
Figure 39. WDTPRG Register
WDTPRG (S:A7h) – Watchdog Timer Program Register
7
6
5
4
3
2
1
0
-
-
-
-
-
WTO2
WTO1
WTO0
Bit
Bit
Number
Mnemonic Description
Reserved
7 - 3
2 - 0
-
The value read from these bits is indeterminate. Do not set these bits.
Watchdog Timer Time-Out Selection Bits
Refer to Table 68 for time-out periods.
WTO2:0
Reset Value = XXXX X000b
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4341D–MP3–04/05