ATMEGA64A_09 Datasheet, PDF (14/21 Pages) ATMEL Corporation – 8-bit Microcontroller with 64K Bytes In-System Programmable Flash

6. Instruction Set Summary (Continued)
CLH
MCU CONTROL INSTRUCTIONS
NOP
SLEEP
WDR
BREAK
Clear Half Carry Flag in SREG
No Operation
Sleep
Watchdog Reset
Break
ATmega64A
H←0
H
1
None
1
(see specific descr. for Sleep function)
None
1
(see specific descr. for WDR/timer)
None
1
For On-chip Debug Only
None
N/A
14
8160CS–AVR–07/09