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DESCRIPTION OF INSTRUCTIONS
245
Mnemonic
Instruction code
D7 D6 D5 D4 D3 D2 D1 D0
Byte Cycle Description Page
Classifi-
cation
External memory instructions Other instruction
MOVX A, @Rr (A)←((Rr))
(A)←((DPTR))
((Rr))←(A)
((DPTR))←(A)
(PC)←(PC)+1
1110001r
MOVX A, @DPTR 11100000
MOVX @Rr, A 1111001r
MOVX @DPTR, A 11110000
NOP
1
1
1
1
1
2
2
2
2
1
334
333
332
331
33600000000
EXTERNAL RAM
EXTERNAL RAM
EXTERNAL RAM
EXTERNAL RAM
r=0 or 1
r=0 or 1