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PIC16F883-E/SO. 데이터시트(PDF) 242 Page - Microchip Technology |
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PIC16F883-E/SO. 데이터시트(HTML) 242 Page - Microchip Technology |
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242 / 338 page ![]() PIC16F882/883/884/886/887 DS41291G-page 242 2006-2012 Microchip Technology Inc. RLF Rotate Left f through Carry Syntax: [ label ] RLF f,d Operands: 0 f 127 d [0,1] Operation: See description below Status Affected: C Description: The contents of register ‘f’ are rotated one bit to the left through the Carry flag. If ‘d’ is ‘0’, the result is placed in the W register. If ‘d’ is ‘1’, the result is stored back in register ‘f’. Words: 1 Cycles: 1 Example: RLF REG1,0 Before Instruction REG1 = 1110 0110 C= 0 After Instruction REG1 = 1110 0110 W = 1100 1100 C= 1 RRF Rotate Right f through Carry Syntax: [ label ] RRF f,d Operands: 0 f 127 d [0,1] Operation: See description below Status Affected: C Description: The contents of register ‘f’ are rotated one bit to the right through the Carry flag. If ‘d’ is ‘0’, the result is placed in the W register. If ‘d’ is ‘1’, the result is placed back in register ‘f’. Register f C Register f C SLEEP Enter Sleep mode Syntax: [ label ] SLEEP Operands: None Operation: 00h WDT, 0 WDT prescaler, 1 TO, 0 PD Status Affected: TO, PD Description: The power-down Status bit, PD is cleared. Time-out Status bit, TO is set. Watchdog Timer and its prescaler are cleared. The processor is put into Sleep mode with the oscillator stopped. SUBLW Subtract W from literal Syntax: [ label ] SUBLW k Operands: 0 k 255 Operation: k - (W) W) Status Affected: C, DC, Z Description: The W register is subtracted (2’s complement method) from the eight-bit literal ‘k’. The result is placed in the W register. SUBWF Subtract W from f Syntax: [ label ] SUBWF f,d Operands: 0 f 127 d [0,1] Operation: (f) - (W) destination) Status Affected: C, DC, Z Description: Subtract (2’s complement method) W register from register ‘f’. If ‘d’ is ‘0’, the result is stored in the W register. If ‘d’ is ‘1’, the result is stored back in register ‘f’. C = 0 W k C = 1 W k DC = 0 W<3:0> k<3:0> DC = 1 W<3:0> k<3:0> C = 0 W f C = 1 W f DC = 0 W<3:0> f<3:0> DC = 1 W<3:0> f<3:0> |
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