Siemens C16 Series Instruction Set Manual page 108

SRVWDT
Syntax
Operation
Description
Condition Flags
Addressing Modes
Semiconductor Group
30Mar98@15:00h
Service Watchdog Timer
SRVWDT
Service Watchdog Timer
This instruction services the Watchdog Timer. It reloads the high order
byte of the Watchdog Timer with a preset value and clears the low byte on
every occurrence. Once this instruction has been executed, the watchdog
timer cannot be disabled. To insure that this instruction is not accidentally
executed, it is implemented as a protected instruction.
E Z
- -
E Not affected.
Z Not affected.
V Not affected.
C Not affected.
N Not affected.
Mnemonic
SRVWDT
C166 Family Instruction Set
V C N
- - -
Format
A7 58 A7 A7
108
Instruction Description
SRVWDT
Version 1.2, 12.97
Bytes
4