AS8218 datasheet(79/123 Pages) AMSCO

79 / 123 page

Data Sheet AS8218 / AS8228

Revision 3.0, 31-May-06

Page 79 of 123

Instruction Set

The instruction set is fully compatible to the 8051 standard. This allows the use of commonly available software

development tools for A51 Assembler, C-Compiler and code simulators. The instructions marked with the note

2) are cycle optimised and execute in a single cycle compared to two cycles in standard 8051 controllers.

Hex

Code

Mnemonic

Operands

B/C

Hex

Code

Mnemonic

Operands

B/C

NOP

1/1

JNB

bit addr, code addr

3/2

AJMP

code addr

2/2

ACALL

code addr

2/2

LJMP

code addr

3/2

RETI

1/2

1/1

RLC

1/1

INC

1/1

ADDC

A, #data

2/1

INC

dir

2/1

ADDC

A, dir

2/1

INC

@R0

1/1

ADDC

A, @R0

1/1

INC

@R1

1/1

ADDC

A, @R1

1/1

INC

1/1

ADDC

A, R0

1/1

INC

1/1

ADDC

A, R1

1/1

INC

1/1

ADDC

A, R2

1/1

INC

1/1

ADDC

A, R3

1/1

INC

1/1

ADDC

A, R4

1/1

INC

1/1

ADDC

A, R5

1/1

INC

1/1

ADDC

A, R6

1/1

INC

1/1

ADDC

A, R7

1/1

JBC

bit addr, code

3/2

code addr

2/2

ACALL

code addr

2/2

AJMP

code addr

2/2

LCALL

code addr

3/2

ORL

dir, A

2/1

RRC

1/1

ORL

dir, #data

3/2

DEC

1/1

ORL

A, #data

2/1

DEC

dir

2/1

ORL

A, dir

2/1

DEC

@R0

1/1

ORL

A, @R0

1/1

DEC

@R1

1/1

ORL

A, @R1

1/1

DEC

1/1

ORL

A, R0

1/1

DEC

1/1

ORL

A, R1

1/1

DEC

1/1

ORL

A, R2

1/1

DEC

1/1

ORL

A, R3

1/1

DEC

1/1

ORL

A, R4

1/1

DEC

1/1

ORL

A, R5

1/1

DEC

1/1

ORL

A, R6

1/1

DEC

1/1

ORL

A, R7

1/1

bit addr, code

3/2

JNC

code addr

2/2

AJMP

code addr

2/2

ACALL

code addr

2/2

RET

1/2

ANL

dir, A

2/1

1/1

ANL

dir, #data

3/2

ADD

A, #data

1/1

ANL

A, #data

2/1

ADD

A, dir

2/1

ANL

A, dir

2/1

ADD

A, @R0

2/1

ANL

A, @R0

1/1

ADD

A, @R1

1/1

ANL

A, @R1

1/1

ADD

A, R0

1/1

ANL

A, R0

1/1

ADD

A, R1

1/1

ANL

A, R1

1/1

ADD

A, R2

1/1

ANL

A, R2

1/1

ADD

A, R3

1/1

ANL

A, R3

1/1

ADD

A, R4

1/1

ANL

A, R4

1/1

ADD

A, R5

1/1

ANL

A, R5

1/1

ADD

A, R6

1/1

ANL

A, R6

1/1

ADD

A, R7

1/1

ANL

A, R7

1/1

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