SM89516B datasheet(13/49 Pages) SYNCMOS

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SM89516B

8-Bit Micro-controller

64KB Flash

& 1KB RAM embedded

Specifications subject to change without notice contact your sales representatives for the most recent information.

ISSFD-M087

Ver D SM89516B 08/07/2015

- 13 -

Instruction Set

All SM89516B instructions are binary code compatible and perform the same functions as they do with the industry

standard 8051. The following tables give a summary of the instruction set cycles of the SM89516B Microcontroller

core.

Table 2-1: Arithmetic operations

Mnemonic

Description

Code

Bytes

Cycles

ADD A,Rn

Add register to accumulator

28-2F

ADD A,direct

Add direct byte to accumulator

ADD A,@Ri

Add indirect RAM to accumulator

26-27

ADD A,#data

Add immediate data to accumulator

ADDC A,Rn

Add register to accumulator with carry flag

38-3F

ADDC A,direct

Add direct byte to A with carry flag

ADDC A,@Ri

Add indirect RAM to A with carry flag

36-37

ADDC A,#data

Add immediate data to A with carry flag

SUBB A,Rn

Subtract register from A with borrow

98-9F

SUBB A,direct

Subtract direct byte from A with borrow

SUBB A,@Ri

Subtract indirect RAM from A with borrow

96-97

SUBB A,#data

Subtract immediate data from A with borrow

INC A

Increment accumulator

INC Rn

Increment register

08-0F

INC direct

Increment direct byte

INC @Ri

Increment indirect RAM

06-07

INC DPTR

Increment data pointer

DEC A

Decrement accumulator

DEC Rn

Decrement register

18-1F

DEC direct

Decrement direct byte

DEC @Ri

Decrement indirect RAM

16-17

MUL AB

Multiply A and B

DIV

Divide A by B

DA A

Decimal adjust accumulator

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