Rainbow-electronics AT89C5132 Manuale Utente Scaricare il pdf (Pagina 60)

60

AT8xC5132

4173A–8051–08/02

Registers Table 64. WDTRST Register

WDTRST (S:A6h Write only) – Watchdog Timer Reset Register

Reset Value = XXXX XXXXb

Table 65. WDTPRG Register

WDTPRG (S:A7h) – Watchdog Timer Program Register

Reset Value = XXXX X000b

76543210

--------

Bit

Number

Bit

Mnemonic Description

7 - 0 - Watchdog Control Value.

76543210

-----WTO2WTO1WTO0

Bit

Number

Bit

Mnemonic Description

7-3 -

Reserved

The values read from these Bits are indeterminate. Do not set these Bits.

2-0 WTO2:0

Watchdog Timer Time-Out Selection Bits

Refer to Table 64 for time-out periods.

1 2 ... 55 56 57 58 59 60 61 62 63 64 65 ... 161 162

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