M80C51 데이터 시트보기 (PDF) - Oki Electric Industry

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M80C51

CMOS 8-Bit Microcontroller

Oki Electric Industry 

¡ Semiconductor

MSM80C31F/80C51F

Instruction Set Details (continued)

Type Mnemonic

MOV C, bit

MOV bit, C

SETB bit

CLR bit

CPL bit

MOV A, Rr

MOV A, direct

MOV A, @Rr

MOV Rr, A

MOV Rr,

direct

MOV direct, A

MOV direct,

Rr

MOV direct 1,

direct 2

MOV @Rr, A

MOV @Rr,

direct

MOVC A,

@A+DPTR

Instruction code

D7 D6 D5 D4 D3 D2 D1 D0

1010 0010

b7 b6 b5 b4 b3 b2 b1 b0

1001 0010

b7 b6 b5 b4 b3 b2 b1 b0

1101 0010

b7 b6 b5 b4 b3 b2 b1 b0

1100 0010

b7 b6 b5 b4 b3 b2 b1 b0

1011 0010

b7 b6 b5 b4 b3 b2 b1 b0

1 1 1 0 1 r2 r1 r0

1110 0101

a7 a6 a5 a4 a3 a2 a1 a0

1 1 1 0 0 1 1 r0

1 1 1 1 1 r2 r1 r0

1 0 1 0 1 r2 r1 r0

a7 a6 a5 a4 a3 a2 a1 a0

1111 0101

a7 a6 a5 a4 a3 a2 a1 a0

1 0 0 0 1 r2 r1 r0

a7 a6 a5 a4 a3 a2 a1 a0

1 0 0 0 0 1 1 r0

a27 a26 a25 a24 a23 a22 a21 a20

a17 a16 a15 a14 a13 a12 a11 a10

1 1 1 1 0 1 1 r0

1 0 1 0 0 1 1 r0

a7 a6 a5 a4 a3 a2 a1 a0

1001 0011

Bytes Cycles

Description

2 1 (C) ¨ (bit address)

2 2 (bit address) ¨ (C)

2 1 (bit address) ¨ 1

2 1 (bit address) ¨ 0

2 1 (bit address) ¨ (bit address)

1 1 (A) ¨ (Rr)

2 1 (A) ¨ (direct address)

1 1 (A) ¨ ((Rr))

1 1 (Rr) ¨ (A)

2 2 (Rr) ¨ (direct address)

2 1 (direct address) ¨ (A)

2 2 (direct address) ¨ (Rr)

3 2 (direct address 1) ¨ (direct address 2)

1 1 ((Rr)) ¨ (A)

2 2 ((Rr)) ¨ (direct address)

1 2 (A) ¨ ((A)+(DPTR))

MOVC A,

@A+PC

1 0 0 0 0 0 1 1 1 2 (PC) ¨ (PC+1)

(A) ¨ ((A)+(PC))

XCH A, Rr

1 1 0 0 1 r2 r1 r0 1 1 (A) ´ (Rr)

XCH A, direct 1 1 0 0 0 1 0 1 2 2 (A) ´ (direct address)

a7 a6 a5 a4 a3 a2 a1 a0

XCH A, @Rr 1 1 0 0 0 1 1 r0 1 1 (A) ´ ((Rr))

XCHD A, @Rr 1 1 0 1 0 1 1 r0 1 1 (A0 - 3) ´ ((Rr0 - 3))

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