SM39R16A3
内嵌
16KB
具有
ISP
功�½的
Flash
和
512B RAM
的
8
�½�控制器
2.
指令设�½�
所有SM39R16A3的指令�½是兼容的二进制码,且具有标准的8051一样的功�½,以下表格列出了以SM39R16A3微控器为核
心的指令集的周期的总结，这里的周期表示为机器周期。
表
2-1: Arithmetic operations
描述
Add register to accumulator
Add direct byte to accumulator
Add indirect RAM to accumulator
Add immediate data to accumulator
Add register to accumulator with carry flag
Add direct byte to A with carry flag
Add indirect RAM to A with carry flag
Add immediate data to A with carry flag
Subtract register from A with borrow
Subtract direct byte from A with borrow
Subtract indirect RAM from A with borrow
Subtract immediate data from A with borrow
Increment accumulator
Increment register
Increment direct byte
Increment indirect RAM
Increment data pointer
Decrement accumulator
Decrement register
Decrement direct byte
Decrement indirect RAM
Multiply A and B
Divide A by B
Decimal adjust accumulator
符号
ADD A,Rn
ADD A,direct
ADD A,@Ri
ADD A,#data
ADDC A,Rn
ADDC A,direct
ADDC A,@Ri
ADDC A,#data
SUBB A,Rn
SUBB A,direct
SUBB A,@Ri
SUBB A,#data
INC A
INC Rn
INC direct
INC @Ri
INC DPTR
DEC A
DEC Rn
DEC direct
DEC @Ri
MUL AB
DIV
DA A
代码
28-2F
25
26-27
24
38-3F
35
36-37
34
98-9F
95
96-97
94
04
08-0F
05
06-07
A3
14
18-1F
15
16-17
A4
84
D4
字节
1
2
1
2
1
2
1
2
1
2
1
2
1
1
2
1
1
1
1
2
1
1
1
1
周期
1
2
2
2
1
2
2
2
1
2
2
2
1
2
3
3
1
1
2
3
3
5
5
1
Specifications subject to change without notice contact your sales representatives for the most recent information.
ISSFD-M066
Ver C
SM39R16A3
04/20/2013
- 16 -
SYNCMOS [ SYNCMOS TECHNOLOGIES,INC ]
