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PIC16C925T-S/CL 数据表(PDF) 121 Page - Microchip Technology |
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PIC16C925T-S/CL 数据表(HTML) 121 Page - Microchip Technology |
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121 / 182 page ![]() 2001 Microchip Technology Inc. Preliminary DS39544A-page 119 PIC16C925/926 CLRF Clear f Syntax: [ label ] CLRF f Operands: 0 ≤ f ≤ 127 Operation: 00h → (f) 1 → Z Status Affected: Z Encoding: 00 0001 1fff ffff Description: The contents of register ’f’ are cleared and the Z bit is set. Words: 1 Cycles: 1 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode Read register ’f’ Process data Write register ’f’ Example CLRF FLAG_REG Before Instruction: FLAG_REG = 0x5A After Instruction: FLAG_REG = 0x00 Z= 1 CLRW Clear W Syntax: [ label ] CLRW Operands: None Operation: 00h → (W) 1 → Z Status Affected: Z Encoding: 00 0001 0xxx xxxx Description: W register is cleared. Zero bit (Z) is set. Words: 1 Cycles: 1 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode No Operation Process data Write to W Example CLRW Before Instruction: W = 0x5A After Instruction: W = 0x00 Z= 1 |
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