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ATtiny15L
1187H–AVR–09/07
CBI P, b Clear Bit in I/O Register I/O(P,b) ← 0None2
LSL Rd Logical Shift Left Rd(n+1) ← Rd(n), Rd(0) ← 0 Z,C,N,V 1
LSR Rd Logical Shift Right Rd(n) ← Rd(n+1), Rd(7) ← 0 Z,C,N,V 1
ROL Rd Rotate Left through Carry Rd(0) ← C, Rd(n+1) ← Rd(n), C ← Rd(7) Z,C,N,V 1
ROR Rd Rotate Right through Carry Rd(7) ← C, Rd(n) ← Rd(n+1), C ← Rd(0) Z,C,N,V 1
ASR Rd Arithmetic Shift Right Rd(n) ← Rd(n+1), n = 0..6 Z,C,N,V 1
SWAP Rd Swap Nibbles Rd(3..0) ← Rd(7..4), Rd(7..4) ← Rd(3..0) None 1
BSET s Flag Set SREG(s) ← 1 SREG(s) 1
BCLR s Flag Clear SREG(s) ← 0 SREG(s) 1
BST Rr, b Bit Store from Register to T T ← Rr(b) T 1
BLD Rd, b Bit Load from T to Register Rd(b) ← TNone1
SEC Set Carry C ← 1C1
CLC Clear Carry C ← 0C1
SEN Set Negative Flag N ← 1N1
CLN Clear Negative Flag N ← 0N1
SEZ Set Zero Flag Z ← 1Z1
CLZ Clear Zero Flag Z ← 0Z1
SEI Global Interrupt Enable I ← 1I1
CLI Global Interrupt Disable I ← 0I1
SES Set Signed Test Flag S ← 1S1
CLS Clear Signed Test Flag S ← 0S1
SEV Set Two’s Complement Overflow V ← 1V1
CLV Clear Two’s Complement Overflow V ← 0V1
SET Set T in SREG T ← 1T1
CLT Clear T in SREG T ← 0T1
SEH Set Half-carry Flag in SREG H ← 1H1
CLH Clear Half-carry Flag in SREG H ← 0H1
NOP No Operation None 1
SLEEP Sleep (see specific descr. for Sleep function) None 1
WDR Watchdog Reset (see specific descr. for WDR/timer) None 1
ATtiny15L Instruction Set Summary (Continued)
Mnemonic Operands Description Operation Flags # Clocks
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