ATMEGA8_10 Datasheet, PDF (12/25 Pages) ATMEL Corporation – 8-bit with 8K Bytes In-System Programmable Flash

Instruction Set Summary (Continued)
CLT
SEH
CLH
MCU CONTROL INSTRUCTIONS
NOP
SLEEP
WDR
Clear T in SREG
Set Half Carry Flag in SREG
Clear Half Carry Flag in SREG
No Operation
Sleep
Watchdog Reset
T←0
H←1
H←0
T
1
H
1
H
1
None
1
(see specific descr. for Sleep function) None
1
(see specific descr. for WDR/timer)
None
1
12 ATmega8(L)
2486XS–AVR–06/10