Atmel AVR XMEGA 8/16-bit High Performance Low Power Flash Microcontrollers Manual do Utilizador descarregar pdf (Página 18)

8362E–AVR–01/12

XMEGA A3BU

Notes: 1. Cycle times for Data memory accesses assume internal memory accesses, and are not valid for accesses via the external RAM interface.

2. One extra cycle must be added when accessing Internal SRAM.

LAT Z, Rd Load and Toggle RAM location Temp

(Z)

←

Rd,

(Z),

Temp ⊕ (Z)

None 2

Bit and bit-test instructions

LSL Rd Logical Shift Left Rd(n+1)

Rd(0)

←

Rd(n),

Rd(7)

Z,C,N,V,H 1

LSR Rd Logical Shift Right Rd(n)

Rd(7)

←

Rd(n+1),

Rd(0)

Z,C,N,V 1

ROL Rd Rotate Left Through Carry Rd(0)

Rd(n+1)

←

Rd(n),

Rd(7)

Z,C,N,V,H 1

ROR Rd Rotate Right Through Carry Rd(7)

Rd(n)

←

Rd(n+1),

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) None 1

BSET s Flag Set SREG(s) ← 1 SREG(s) 1

BCLR s Flag Clear SREG(s) ← 0 SREG(s) 1

SBI A, b Set Bit in I/O Register I/O(A, b) ← 1 None 1

CBI A, b Clear Bit in I/O Register I/O(A, b) ← 0 None 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) ← T None 1

SEC Set Carry C ← 1 C 1

CLC Clear Carry C ← 0 C 1

SEN Set Negative Flag N ← 1 N 1

CLN Clear Negative Flag N ← 0 N 1

SEZ Set Zero Flag Z ← 1 Z 1

CLZ Clear Zero Flag Z ← 0 Z 1

SEI Global Interrupt Enable I ← 1 I 1

CLI Global Interrupt Disable I ← 0 I 1

SES Set Signed Test Flag S ← 1 S 1

CLS Clear Signed Test Flag S ← 0 S 1

SEV Set Two’s Complement Overflow V ← 1 V 1

CLV Clear Two’s Complement Overflow V ← 0

V 1

SET Set T in SREG T ← 1 T 1

CLT Clear T in SREG T ← 0 T 1

SEH Set Half Carry Flag in SREG H ← 1 H 1

CLH Clear Half Carry Flag in SREG H ← 0 H 1

MCU control instructions

BREAK Break (See specific descr. for BREAK) None 1

NOP No Operation None 1

SLEEP Sleep (see specific descr. for Sleep) None 1

WDR Watchdog Reset (see specific descr. for WDR) None 1

Mnemonics Operands Description Operation Flags #Clocks

1 2 ... 13 14 15 16 17 18

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