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 | Philips Semiconductors | 
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 | User’s Manual - Preliminary - | 
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 | INSTRUCTION SET | 
 | P89LPC906/907/908 | 
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 | Mnemonic | Description | Bytes | 
 | Cycles | Hex | 
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 | ACALL addr 11 | Absolute jump to subroutine | 2 | 
 | 2 | 116F1 | 
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 | LCALL addr 16 | Long jump to subroutine | 3 | 
 | 2 | 12 | 
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 | RET | Return from subroutine | 1 | 
 | 2 | 22 | 
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 | RETI | Return from interrupt | 1 | 
 | 2 | 32 | 
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 | AJMP addr 11 | Absolute jump unconditional | 2 | 
 | 2 | 016E1 | 
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 | LJMP addr 16 | Long jump unconditional | 3 | 
 | 2 | 02 | 
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 | SJMP rel | Short jump (relative address) | 2 | 
 | 2 | 80 | 
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 | JC rel | Jump on carry = 1 | 2 | 
 | 2 | 40 | 
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 | JNC rel | Jump on carry = 0 | 2 | 
 | 2 | 50 | 
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 | JB bit,rel | Jump on direct bit = 1 | 3 | 
 | 2 | 20 | 
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 | JNB bit,rel | Jump on direct bit = 0 | 3 | 
 | 2 | 30 | 
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 | JBC bit,rel | Jump on direct bit = 1 and clear | 3 | 
 | 2 | 10 | 
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 | JMP @A+DPTR | Jump indirect relative DPTR | 1 | 
 | 2 | 73 | 
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 | JZ rel | Jump on accumulator = 0 | 2 | 
 | 2 | 60 | 
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 | JNZ rel | Jump on accumulator ¹ 0 | 2 | 
 | 2 | 70 | 
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 | CJNE A,dir,rel | Compare A,direct jne relative | 3 | 
 | 2 | B5 | 
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 | CJNE A,#d,rel | Compare A,immediate jne relative | 3 | 
 | 2 | B4 | 
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 | CJNE Rn,#d,rel | Compare register, immediate jne relative | 3 | 
 | 2 | 
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 | CJNE @Ri,#d,rel | Compare indirect, immediate jne relative | 3 | 
 | 2 | 
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 | DJNZ Rn,rel | Decrement register, jnz relative | 2 | 
 | 2 | 
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 | DJNZ dir,rel | Decrement direct byte, jnz relative | 3 | 
 | 2 | D5 | 
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 | MISCELLANEOUS | 
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 | NOP | No operation | 1 | 
 | 1 | 00 | 
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| 2003 Dec 8 | 102 | 
