Datasheet

82
AT89C51AC3
4383D–8051–02/08
Table 45. WDTRST Register
WDTRST (S:A6h Write only)
Watchdog Timer Enable Register
Reset Value = 1111 1111b
Note: The WDRST register is used to reset/enable the WDT by writing 1EH then E1H in
sequence without instruction between these two sequences.
7 6 5 4 3 2 1 0
– – – – – – – –
Bit
Number
Bit
Mnemonic Description
7 - Watchdog Control Value