Zilog Z16F2810 - Manual (Page 203)

UM018809-0611 WDT Instruction
ZNEO
®
CPU Core
User Manual
187
WDT
Definition
Watchdog Timer Refresh
Syntax
WDT
Operation
None
Description
Enable the Watchdog Timer by executing the WDT instruction. Each subsequent execution of the
WDT instruction refreshes the timer and prevents the Watchdog Timer from timing out. For more
information about the Watchdog Timer, refer to the ZNEO product specification that is specific to
your device.
Flags
Flags are not affected by this instruction.
Syntax and Opcodes
Examples
Before: Watchdog Timer disabled.
WDT ;Object code FFF7
After: Watchdog Timer enabled.
Before: Watchdog Timer enabled.
WDT;Object code FFF7
After: Watchdog Timer still enabled. Time-out counter is reset.
Instruction, Operands Word 0 Word 1 Word 2
WDT FFF7H