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PIC17C44-08/P Datasheet(PDF) 128 Page - Microchip Technology |
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PIC17C44-08/P Datasheet(HTML) 128 Page - Microchip Technology |
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128 / 240 page ![]() PIC17C4X DS30412C-page 128 © 1996 Microchip Technology Inc. MOVPF Move p to f Syntax: [ label] MOVPF p,f Operands: 0 ≤ f ≤ 255 0 ≤ p ≤ 31 Operation: (p) → (f) Status Affected: Z Encoding: 010p pppp ffff ffff Description: Move data from data memory location 'p' to data memory location 'f'. Location 'f' can be anywhere in the 256 byte data space (00h to FFh) while 'p' can be 00h to 1Fh. Either 'p' or 'f' can be WREG (a useful special situation). MOVPF is particularly useful for transfer- ring a peripheral register (e.g. the timer or an I/O port) to a data memory loca- tion. Both 'f' and 'p' can be indirectly addressed. Words: 1 Cycles: 1 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode Read register 'p' Execute Write register 'f' Example: MOVPF REG1, REG2 Before Instruction REG1 = 0x11 REG2 = 0x33 After Instruction REG1 = 0x11 REG2 = 0x11 MOVWF Move WREG to f Syntax: [ label ] MOVWF f Operands: 0 ≤ f ≤ 255 Operation: (WREG) → (f) Status Affected: None Encoding: 0000 0001 ffff ffff Description: Move data from WREG to register 'f'. Location 'f' can be anywhere in the 256 word data space. Words: 1 Cycles: 1 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode Read register 'f' Execute Write register 'f' Example: MOVWF REG Before Instruction WREG = 0x4F REG = 0xFF After Instruction WREG = 0x4F REG = 0x4F |
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