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SM89516B Datasheet(PDF) 13 Page - SyncMOS Technologies,Inc

Part # SM89516B
Description  On-chip 768 bytes expanded RAM
PDF  49 Pages
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Manufacturer  SYNCMOS [SyncMOS Technologies,Inc]
Direct Link  http://www.syncmos.com.tw
Logo SYNCMOS - SyncMOS Technologies,Inc

SM89516B Datasheet(HTML) 13 Page - SyncMOS Technologies,Inc

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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 -
2.
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
1
1
ADD A,direct
Add direct byte to accumulator
25
2
1
ADD A,@Ri
Add indirect RAM to accumulator
26-27
1
1
ADD A,#data
Add immediate data to accumulator
24
2
1
ADDC A,Rn
Add register to accumulator with carry flag
38-3F
1
1
ADDC A,direct
Add direct byte to A with carry flag
35
2
1
ADDC A,@Ri
Add indirect RAM to A with carry flag
36-37
1
1
ADDC A,#data
Add immediate data to A with carry flag
34
2
1
SUBB A,Rn
Subtract register from A with borrow
98-9F
1
1
SUBB A,direct
Subtract direct byte from A with borrow
95
2
1
SUBB A,@Ri
Subtract indirect RAM from A with borrow
96-97
1
1
SUBB A,#data
Subtract immediate data from A with borrow
94
2
1
INC A
Increment accumulator
04
1
1
INC Rn
Increment register
08-0F
1
1
INC direct
Increment direct byte
05
2
1
INC @Ri
Increment indirect RAM
06-07
1
1
INC DPTR
Increment data pointer
A3
1
2
DEC A
Decrement accumulator
14
1
1
DEC Rn
Decrement register
18-1F
1
1
DEC direct
Decrement direct byte
15
2
1
DEC @Ri
Decrement indirect RAM
16-17
1
1
MUL AB
Multiply A and B
A4
1
4
DIV
Divide A by B
84
1
4
DA A
Decimal adjust accumulator
D4
1
1



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