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P12C508 数据表(PDF) 38 Page - Microchip Technology |
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P12C508 数据表(HTML) 38 Page - Microchip Technology |
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38 / 84 page  PIC12C5XX DS40139A-page 38 Advance Information © 1996 Microchip Technology Inc. TABLE 8-2: INSTRUCTION SET SUMMARY Mnemonic, Operands Description Cycles 12-Bit Opcode Status Affected Notes MSb LSb ADDWF ANDWF CLRF CLRW COMF DECF DECFSZ INCF INCFSZ IORWF MOVF MOVWF NOP RLF RRF SUBWF SWAPF XORWF f,d f,d f – f, d f, d f, d f, d f, d f, d f, d f – f, d f, d f, d f, d f, d Add W and f AND W with f Clear f Clear W Complement f Decrement f Decrement f, Skip if 0 Increment f Increment f, Skip if 0 Inclusive OR W with f Move f Move W to f No Operation Rotate left f through Carry Rotate right f through Carry Subtract W from f Swap f Exclusive OR W with f 1 1 1 1 1 1 1(2) 1 1(2) 1 1 1 1 1 1 1 1 1 0001 0001 0000 0000 0010 0000 0010 0010 0011 0001 0010 0000 0000 0011 0011 0000 0011 0001 11df 01df 011f 0100 01df 11df 11df 10df 11df 00df 00df 001f 0000 01df 00df 10df 10df 10df ffff ffff ffff 0000 ffff ffff ffff ffff ffff ffff ffff ffff 0000 ffff ffff ffff ffff ffff C,DC,Z Z Z Z Z Z None Z None Z Z None None C C C,DC,Z None Z 1,2,4 2,4 4 2,4 2,4 2,4 2,4 2,4 2,4 1,4 2,4 2,4 1,2,4 2,4 2,4 BIT-ORIENTED FILE REGISTER OPERATIONS BCF BSF BTFSC BTFSS f, b f, b f, b f, b Bit Clear f Bit Set f Bit Test f, Skip if Clear Bit Test f, Skip if Set 1 1 1 (2) 1 (2) 0100 0101 0110 0111 bbbf bbbf bbbf bbbf ffff ffff ffff ffff None None None None 2,4 2,4 LITERAL AND CONTROL OPERATIONS ANDLW CALL CLRWDT GOTO IORLW MOVLW OPTION RETLW SLEEP TRIS XORLW k k k k k k k k – f k AND literal with W Call subroutine Clear Watchdog Timer Unconditional branch Inclusive OR Literal with W Move Literal to W Load OPTION register Return, place Literal in W Go into standby mode Load TRIS register Exclusive OR Literal to W 1 2 1 2 1 1 1 2 1 1 1 1110 1001 0000 101k 1101 1100 0000 1000 0000 0000 1111 kkkk kkkk 0000 kkkk kkkk kkkk 0000 kkkk 0000 0000 kkkk kkkk kkkk 0100 kkkk kkkk kkkk 0010 kkkk 0011 0fff kkkk Z None TO, PD None Z None None None TO, PD None Z 1 3 Note 1: The 9th bit of the program counter will be forced to a '0' by any instruction that writes to the PC except forGOTO. (Section 4.5) 2: When an I/O register is modified as a function of itself (e.g. MOVF GPIO, 1), the value used will be that value present on the pins themselves. For example, if the data latch is '1' for a pin configured as input and is driven low by an external device, the data will be written back with a '0'. 3: The instruction TRIS f, where f = 5, 6, or 7 causes the contents of the W register to be written to the tristate latches of GPIO. A '1' forces the pin to a hi-impedance state and disables the output buffers. 4: If this instruction is executed on the TMR0 register (and, where applicable, d = 1), the prescaler will be cleared (if assigned to TMR0). |
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