ATXMEGA64A1-CU View Datasheet(PDF) - Atmel Corporation

Part Name

Description

Manufacturer

ATXMEGA64A1-CU

8/16-bit XMEGA A1 Microcontroller

Atmel Corporation 

XMEGA A1

Mnemonics

ROL

ROR

ASR

SWAP

BSET

BCLR

SBI

CBI

BST

BLD

SEC

CLC

SEN

CLN

SEZ

CLZ

SEI

CLI

SES

CLS

SEV

CLV

SET

CLT

SEH

CLH

BREAK

NOP

SLEEP

WDR

Operands

Rd

Description

Rotate Left Through Carry

Rd

Rotate Right Through Carry

Rd

Rd

s

s

A, b

A, b

Rr, b

Rd, b

Arithmetic Shift Right

Swap Nibbles

Flag Set

Flag Clear

Set Bit in I/O Register

Clear Bit in I/O Register

Bit Store from Register to T

Bit load from T to Register

Set Carry

Clear Carry

Set Negative Flag

Clear Negative Flag

Set Zero Flag

Clear Zero Flag

Global Interrupt Enable

Global Interrupt Disable

Set Signed Test Flag

Clear Signed Test Flag

Set Two’s Complement Overflow

Clear Two’s Complement Overflow

Set T in SREG

Clear T in SREG

Set Half Carry Flag in SREG

Clear Half Carry Flag in SREG

Break

No Operation

Sleep

Watchdog Reset

Operation

Rd(0) ← C,

Rd(n+1) ← Rd(n),

C ← Rd(7)

Rd(7) ← C,

Rd(n) ← Rd(n+1),

C ← Rd(0)

Rd(n) ← Rd(n+1), n=0..6

Rd(3..0) ↔ Rd(7..4)

SREG(s) ← 1

SREG(s) ← 0

I/O(A, b) ← 1

I/O(A, b) ← 0

T ← Rr(b)

Rd(b) ← T

C←1

C←0

N←1

N←0

Z←1

Z←0

I←1

I←0

S←1

S←0

V←1

V←0

T←1

T←0

H←1

H←0

MCU Control Instructions

(See specific descr. for BREAK)

(see specific descr. for Sleep)

(see specific descr. for WDR)

Flags

Z,C,N,V,H

#Clocks

1

Z,C,N,V

1

Z,C,N,V

1

None

1

SREG(s)

1

SREG(s)

1

None

1

None

1

T

1

None

1

C

1

C

1

N

1

N

1

Z

1

Z

1

I

1

I

1

S

1

S

1

V

1

V

1

T

1

T

1

H

1

H

1

None

1

None

1

None

1

None

1

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.

63

8067L–AVR–08/10

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