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参数资料
| 型号： | MSM80C51F-XXXGS |
| 厂商： | OKI ELECTRIC INDUSTRY CO LTD |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 8-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP44 |
| 封装： | 0.80 MM PITCH, PLASTIC, QFP-44 |
| 文件页数： | 10/39页 |
| 文件大小： | 355K |
| 代理商： | MSM80C51F-XXXGS |
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18/38
Semiconductor
MSM80C31F/80C51F
Instruction Set Details (continued)
D6 D5 D4 D3
D1
Bytes Cycles
Type
Mnemonic
Instruction code
Description
D7
D2
D0
11
10
0
1
r0
MOV A, @Rr
11
(A) ¨ ((Rr))
11
1
MOV Rr, A
11
(Rr) ¨ (A)
11
00
0
1
01
XCH A, direct
22
(A) (direct address)
a7 a6 a5 a4 a3 a2 a1 a0
11
00
1
XCH A, Rr
11
(A) (Rr)
11
10
1
r2 r1
r0
MOV A, Rr
11
(A) ¨ (Rr)
10
1
MOV Rr,
direct
22
(Rr) ¨ (direct address)
a7 a6 a5 a4 a3 a2 a1 a0
MOV direct, A
21
(direct address) ¨ (A)
Data
transfer
instructions
10
01
0
11
MOVC A,
@A+DPTR
12
(A) ¨ ((A)+(DPTR))
10
00
0
11
MOVC A,
@A+PC
12
(PC) ¨ (PC+1)
(A) ¨ ((A)+(PC))
11
10
0
1
01
MOV A, direct
21
(A) ¨ (direct address)
a7 a6 a5 a4 a3 a2 a1 a0
10
0
10
MOV C, bit
21
(C) ¨ (bit address)
b7 b6 b5 b4 b3 b2 b1 b0
10
01
0
10
MOV bit, C
22
(bit address) ¨ (C)
b7 b6 b5 b4 b3 b2 b1 b0
Carry
flag
operation
instructions
11
01
0
10
SETB bit
21
(bit address) ¨ 1
b7 b6 b5 b4 b3 b2 b1 b0
11
00
0
10
CLR bit
21
(bit address) ¨ 0
b7 b6 b5 b4 b3 b2 b1 b0
10
11
0
10
CPL bit
21
(bit address) ¨
(bit address)
b7 b6 b5 b4 b3 b2 b1 b0
Bit
operation
instructions
r2 r1
r0
r2 r1
r0
11
0
1
01
a7 a6 a5 a4 a3 a2 a1 a0
10
00
1
MOV direct,
Rr
22
(direct address) ¨ (Rr)
a7 a6 a5 a4 a3 a2 a1 a0
r2 r1
r0
10
00
0
MOV direct 1,
direct 2
32
(direct address 1) ¨ (direct address 2)
a7 a6 a5 a4 a3 a2 a1 a0
11
r0
10
0
MOV @Rr,
direct
22
((Rr)) ¨ (direct address)
a7 a6 a5 a4 a3 a2 a1 a0
11
r0
11
0
1
r0
MOV @Rr, A
11
((Rr)) ¨ (A)
Constant
code
instructions
r2 r1
r0
11
00
0
XCH A, @Rr
11
(A) ((Rr))
11
r0
11
01
0
XCHD A, @Rr
11
(A0 - 3) ((Rr0 - 3))
11
r0
Data
exchange
instructions
a7 a6 a5 a4 a3 a2 a1 a0
22
2
22
11
1
11
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