Rainbow-electronics T89C51AC2 Manuale Utente Scaricare il pdf (Pagina 68)

T89C51AC2

Rev. B – 19-Dec-01

Table 35. 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

1 2 ... 63 64 65 66 67 68 69 70 71 72 73 ... 109 110

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Rainbow-electronics T89C51AC2 Manuale Utente Pagina 68