IA8044/IA8344
Data Sheet
SDLC Communications Controller
March 30, 2010
Table 55. Data Transfer
Mnemonic
Description
Byte Cycle
MOV A,Rn
MOV A,direct
MOV A,@Ri
MOV A,#data
MOV Rn,A
MOV Rn,direct
MOV Rn,#data
MOV direct,A
MOV direct,Rn
MOV direct,direct
MOV direct,@Ri
MOV direct,#data
MOV @Ri,A
Move register to accumulator
1
2
1
2
1
2
2
2
2
3
2
3
1
2
2
3
1
1
1
1
1
1
2
2
1
2
1
1
1
1
1
1
1
2
1
1
2
2
2
2
1
2
1
2
2
2
2
2
2
2
2
2
1
1
1
1
Move direct byte to accumulator
Move indirect RAM to accumulator
Move immediate data to accumulator
Move accumulator to register
Move direct byte to register
Move immediate data to register
Move accumulator to direct byte
Move register to direct byte
Move direct byte to direct byte
Move indirect RAM to direct byte
Move immediate data to direct byte
Move accumulator to indirect RAM
Move direct byte to indirect RAM
Move immediate data to indirect RAM
MOV @Ri,direct
MOV @ Ri, #data
MOV DPTR, #data16 Load data pointer with a 16-bit constant
MOVC A,@A + DPTR Move code byte relative to DPTR to accumulator
MOVC A,@A + PC
MOVX A,@Ri
MOVX A,@DPTR
MOVX @Ri,A
MOVX @DPTR,A
PUSH direct
POP direct
XCH A,Rn
XCH A,direct
XCH A,@Ri
XCHD X,@ Ri
Move code byte relative to PC to accumulator
Move external RAM (8-bit address) to A
Move external RAM (16-bit address) to A
Move A to external RAM (8-bit address)
Move A to external RAM (16-bit address)
Push direct byte onto stack
Pop direct byte from stack
Exchange register with accumulator
Exchange direct byte with accumulator
Exchange indirect RAM with accumulator
Exchange low-order nibble indirect RAM with A
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