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STC89C53RC Fiches technique(PDF) 39 Page - STCmicro Technology Co,.Ltd

No de pièce STC89C53RC
Description  Enhanced 80C51 Central Processing Unit ,6T or 12T per machine cycle
PDF  165 Pages
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Fabricant  STC [STCmicro Technology Co,.Ltd]
Site Internet  http://www.stcmicro.com/
Logo STC - STCmicro Technology Co,.Ltd

STC89C53RC Fiches technique(HTML) 39 Page - STCmicro Technology Co,.Ltd

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Mnemonic
Description
Byte
Execution clocks of
STC 12T MCU
Execution clocks of
STC 6T MCU
DATA TRANSFER
MOV
A, Rn
Move register to Accumulator
1
12
6
MOV
A, direct
Move direct byte to Accumulator
2
12
6
MOV
A,@Ri
Move indirect RAM to
1
12
6
MOV
A, #data
Move immediate data to Accumulator
2
12
6
MOV
Rn, A
Move Accumulator to register
1
12
6
MOV
Rn, direct
Move direct byte to register
2
24
12
MOV
Rn, #data
Move immediate data to register
2
12
6
MOV
direct, A
Move Accumulator to direct byte
2
12
6
MOV
direct, Rn
Move register to direct byte
2
24
12
MOV
direct,direct
Move direct byte to direct
3
24
12
MOV
direct, @Ri
Move indirect RAM to direct byte
2
24
12
MOV
direct,#data
Move immediate data to direct byte
3
24
12
MOV
@Ri, A
Move Accumulator to indirect RAM
1
12
6
MOV
@Ri, direct
Move direct byte to indirect RAM
2
24
12
MOV
@Ri, #data
Move immediate data to indirect RAM
2
12
6
MOV
DPTR,#data16
Move immdiate data to indirect RAM
2
12
6
MOVC
A,@A+DPTR
Move Code byte relative to DPTR to Acc
1
24
12
MOVC
A, @A+PC
Move Code byte relative to PC to Acc
1
24
12
MOVX
A,@Ri
Move External RAM(16-bit addr) to Acc
1
24
12
MOVX
A,@DPTR
Move External RAM(16-bit addr) to Acc
1
24
12
MOVX
@Ri, A
Move Acc to External RAM(8-bit addr)
1
24
12
MOVX
@DPTR,A
Move Acc to External RAM (16-bit addr)
1
24
12
PUSH
direct
Push direct byte onto stack
2
24
12
POP
direct
POP direct byte from stack
2
24
12
XCH
A,Rn
Exchange register with Accumulator
1
12
6
XCH
A, direct
Exchange direct byte with Accumulator
2
12
6
XCH
A, @Ri
Exchange indirect RAM with Accumulator
1
12
6
XCHD
A, @Ri
Exchange low-order Digit indirect RAM
with Acc
112
6
39



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