Datasheet

71
T89C51AC2
4127D–8051–02/03
Table 48. 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.
76543210
––––––––
Bit
Number
Bit
Mnemonic Description
7 - Watchdog Control Value