AS31: 8051 Family Instruction Set

AS31: 8051 Family Instruction Set

INSTRUCTION BYTES CYCLES ----------- ----- ------ ACALL addr11 2 24 ADD A, #data8 2 12 ADD A, @Ri 1 12 ADD A, Rn 1 12 ADD A, direct 2 12 ADDC A, #data8 2 12 ADDC A, @Ri 1 12 ADDC A, Rn 1 12 ADDC A, direct 2 12 AJMP addr11 2 24 ANL A, #data8 2 12 ANL A, @Ri 1 12 ANL A, Rn 1 12 ANL A, direct 2 12 ANL C, /bit 2 24 ANL C, !bit 2 24 ANL C, bit 2 24 ANL direct, #data8 3 24 ANL direct, A 2 12 CJNE @Ri, #data8, rel 3 24 CJNE A, #data8, rel 3 24 CJNE A, direct, rel 3 24 CJNE Rn, #data8, rel 3 24 CLR A 1 12 CLR C 1 12 CLR bit 2 12 CPL A 1 12 CPL C 1 12 CPL bit 2 12 DA A 1 12 DEC @Ri 1 12 DEC A 1 12 DEC DPTR 1 12 DEC Rn 1 12 DEC direct 2 12 DIV AB 1 48 DJNZ Rn, rel 2 24 DJNZ direct, rel 3 24 INC @Ri 1 12 INC A 1 12 INC DPTR 1 24 INC Rn 1 12 INC direct 2 12 JB bit, rel 3 24 JBC bit, rel 3 24 JC relative 2 24 JMP @A + DPTR 1 24 JMP @DPTR + A 1 24 JNB bit, rel 3 24 JNC relative 2 24 JNZ relative 2 24 JZ relative 2 24 LCALL addr16 3 24 LJMP addr16 3 24 MOV @Ri, #data8 2 12 MOV @Ri, A 1 12 MOV @Ri, direct 2 24 MOV A, #data8 2 12 MOV A, @Ri 1 12 MOV A, Rn 1 12 MOV A, direct 2 12 MOV C, bit 2 12 MOV DPTR, #data16 3 24 MOV Rn, #data8 2 12 MOV Rn, A 1 12 MOV Rn, direct 2 24 MOV bit, C 2 24 MOV direct, #data8 3 24 MOV direct, @Ri 2 24 MOV direct, A 2 12 MOV direct, Rn 2 24 MOV direct, direct 3 24 MOVC A, @A + DPTR 1 24 MOVC A, @A + PC 1 24 MOVC A, @DPTR + A 1 24 MOVC A, @PC + A 1 24 MOVX @DPTR, A 1 12 MOVX @Ri, A 1 24 MOVX A, @DPTR 1 24 MOVX A, @Ri 1 24 MUL AB 1 48 NOP 1 12 ORL A, #data8 2 12 ORL A, @Ri 1 12 ORL A, Rn 1 12 ORL A, direct 2 12 ORL C, /bit 2 24 ORL C, !bit 2 24 ORL C, bit 2 24 ORL direct, #data8 3 24 ORL direct, A 2 12 POP direct 2 24 PUSH direct 2 24 RET 1 24 RETI 1 24 RL A 1 12 RLC A 1 12 RR A 1 12 RRC A 1 12 SETB A 1 12 SETB bit 2 12 SJMP relative 2 24 SUBB A, #data8 2 12 SUBB A, @Ri 1 12 SUBB A, Rn 1 12 SUBB A, direct 2 12 SWAP A 1 12 XCH A, #data8 2 12 XCH A, @Ri 1 12 XCH A, Rn 1 12 XCH A, direct 2 12 XCHD A, #data8 2 12 XCHD A, @Ri 1 12 XCHD A, Rn 1 12 XCHD A, direct 2 12 XRL A, #data8 2 12 XRL A, @Ri 1 12 XRL A, Rn 1 12 XRL A, direct 2 12 XRL direct, #data8 3 12 XRL direct, A 2 12