127. WDR – Watchdog Reset
127.1. Description
This instruction resets the Watchdog Timer. This instruction must be executed within a limited time given
by the WD prescaler. See the Watchdog Timer hardware specification.
Operation:
(i) WD timer restart.
Syntax: Operands: Program Counter:
(i) WDR None PC ← PC + 1
16-bit Opcode:
1001 0101 1010 1000
127.2. Status Register (SREG) and Boolean Formula
I T H S V N Z C
– – – – – – – –
Example:
wdr ; Reset watchdog timer
Words 1 (2 bytes)
Cycles 1
Atmel AVR Instruction Set Manual [OTHER]
Atmel-0856L-AVR-Instruction-Set-Manual_Other-11/2016
187
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