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C-33
REGISTERS
WDTRST
Address: S:A6H
Reset State: XXXX XXXXB
Watchdog Timer Reset Register. Writing the two-byte sequence 1EH-E1H to the WDTRST register
clears and enables the hardware WDT. The WDTRST register is a write-only register. Attempts to
read it return FFH. The WDT itself is not read or write accessible. See section 8.7, “Watchdog Timer.”
7 0
WDTRST Contents (Write-only)
Bit
Number
Bit
Mnemonic
Function
7:0 WDTRST.7:0 Provides user control of the hardware WDT.