STC STC12C5A Series, Руководство пользователя

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74 STC12C5Axx
Technical Summary
ANL C, /bit AND COMPLEMENT OF DIRECT BIT TO CARRY 2 3
ORL C, bit OR DIRECT BIT TO CARRY 2 3
ORL C, /bit OR COMPLEMENT OF DIRECT BIT TO CARRY 2 3
MOV C, bit MOVE DIRECT BIT TO CARRY 2 3
MOV bit, C MOVE CARRY TO DIRECT BIT 2 4
BOOLEAN VARIABLE BRANCH
MNEMONIC DESCRIPTION BYT CYC
JC rel JUMP IF CARRY IS SET 2 3
JNC rel JUMP IF CARRY NOT SET 2 3
JB bit, rel JUMP IF DIRECT BIT IS SET 3 4
JNB bit, rel JUMP IF DIRECT BIT NOT SET 3 4
JBC bit, rel JUMP IF DIRECT BIT IS SET AND THEN CLEAR BIT 3 5
PROAGRAM BRACHING
MNEMONIC DESCRIPTION BYT CYC
ACALL addr11 ABSOLUTE SUBROUTINE CALL 2 6
LCALL addr16 LONG SUBROUTINE CALL 3 6
RET RETURN FROM SUBROUTINE 1 4
RETI RETURN FROM INTERRUPT SUBROUTINE 1 4
AJMP addr11 ABSOLUTE JUMP 2 3
LJMP addr16 LONG JUMP 3 4
SJMP rel SHORT JUMP 2 3
JMP @A+DPTR JUMP INDIRECT RELATIVE TO DPTR 1 3
JZ rel JUMP IF ACC IS ZERO 2 3
JNZ rel JUMP IF ACC NOT ZERO 2 3
CJNE A, direct, rel COMPARE DIRECT BYTE TO ACC AND JUMP IF NOT EQUAL 3 5
CJNE A, #data, rel COMPARE IMMEDIATE DATA TO ACC AND JUMP IF NOT EQUAL 3 4
CJNE Rn, #data, rel
COMPARE IMMEDIATE DATA TO REGISTER AND JUMP IF NOT
EQUAL
3 4
CJNE @Ri, #data, rel COMPARE IMMEDIATE DATA TO INDIRECT RAM AND JUMP IF NOT 3 5
EQUAL
DJNZ Rn, rel DECREMENT REGISTER AND JUMP IF NOT EQUAL 2 4
DJNZ direct, rel DECREMENT DIRECT BYTE AND JUMP IF NOT EQUAL 3 5
NOP NO OPERATION 1 1
****** INHIBITED INSTRUCTION ******
MNEMONIC DESCRIPTION BYT CYC
MOVX A, @Ri Move external RAM(8-bit address) to Acc 1 3
MOVX A, @DPTR MOVE EXTERNAL RAM(16-BIT ADDRESS) TO ACC 1 2
MOVX @Ri, A MOVE ACC TO EXTERNAL RAM(8-BIT ADDRESS) 1 3
MOVX @DPTR, A MOVE ACC TO EXTERNAL RAM(16-BIT ADDRESS) 1 2
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