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| 型号： | ST6252CN3/XXX |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO16 |
| 封装： | PLASTIC, SSOP-16 |
| 文件页数： | 48/75页 |
| 文件大小： | 1753K |
| 代理商： | ST6252CN3/XXX |
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ST6252C ST6262B ST6262C
INSTRUCTION SET (Cont’d)
Arithmetic and Logic. These instructions are
used to perform the arithmetic calculations and
logic operations. In AND, ADD, CP, SUB instruc-
tions one operand is always the accumulator while
the other can be either a data space memory con-
tent or an immediate value in relation with the ad-
dressing mode. In CLR, DEC, INC instructions the
operand can be any of the 256 data space ad-
dresses. In COM, RLC, SLA the operand is always
the accumulator.
Table 17. Arithmetic & Logic Instructions
Notes:
X,Y.Indirect Register Pointers, V & W Short Direct RegistersD. Affected
# . Immediate data (stored in ROM memory)* . Not Affected
rr. Data space register
Instruction
Addressing Mode
Bytes
Cycles
Flags
Z
C
ADD A, (X)
Indirect
1
4
Δ
ADD A, (Y)
Indirect
1
4
Δ
ADD A, rr
Direct
2
4
Δ
ADDI A, #N
Immediate
2
4
Δ
AND A, (X)
Indirect
1
4
Δ
AND A, (Y)
Indirect
1
4
Δ
AND A, rr
Direct
2
4
Δ
ANDI A, #N
Immediate
2
4
Δ
CLR A
Short Direct
2
4
Δ
CLR r
Direct
3
4
*
COM A
Inherent
1
4
Δ
CP A, (X)
Indirect
1
4
Δ
CP A, (Y)
Indirect
1
4
Δ
CP A, rr
Direct
2
4
Δ
CPI A, #N
Immediate
2
4
Δ
DEC X
Short Direct
1
4
Δ
*
DEC Y
Short Direct
1
4
Δ
*
DEC V
Short Direct
1
4
Δ
*
DEC W
Short Direct
1
4
Δ
*
DEC A
Direct
2
4
Δ
*
DEC rr
Direct
2
4
Δ
*
DEC (X)
Indirect
1
4
Δ
*
DEC (Y)
Indirect
1
4
Δ
*
INC X
Short Direct
1
4
Δ
*
INC Y
Short Direct
1
4
Δ
*
INC V
Short Direct
1
4
Δ
*
INC W
Short Direct
1
4
Δ
*
INC A
Direct
2
4
Δ
*
INC rr
Direct
2
4
Δ
*
INC (X)
Indirect
1
4
Δ
*
INC (Y)
Indirect
1
4
Δ
*
RLC A
Inherent
1
4
Δ
SLA A
Inherent
2
4
Δ
SUB A, (X)
Indirect
1
4
Δ
SUB A, (Y)
Indirect
1
4
D
Δ
SUB A, rr
Direct
2
4
Δ
SUBI A, #N
Immediate
2
4
Δ
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