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PIC18F44J10-E/ML bảng dữ liệu(PDF) 271 Page - Microchip Technology |
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PIC18F44J10-E/ML bảng dữ liệu(HTML) 271 Page - Microchip Technology |
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271 / 358 page ![]() © 2007 Microchip Technology Inc. Preliminary DS39682C-page 269 PIC18F45J10 FAMILY NEGF Negate f Syntax: NEGF f {,a} Operands: 0 ≤ f ≤ 255 a ∈ [0,1] Operation: ( f ) + 1 → f Status Affected: N, OV, C, DC, Z Encoding: 0110 110a ffff ffff Description: Location ‘f’ is negated using two’s complement. The result is placed in the data memory location ‘f’. If ‘a’ is ‘0’, the Access Bank is selected. If ‘a’ is ‘1’, the BSR is used to select the GPR bank (default). If ‘a’ is ‘0’ and the extended instruction set is enabled, this instruction operates in Indexed Literal Offset Addressing mode whenever f ≤ 95 (5Fh). See Section 21.2.3 “Byte-Oriented and Bit-Oriented Instructions in Indexed Literal Offset Mode” for details. Words: 1 Cycles: 1 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode Read register ‘f’ Process Data Write register ‘f’ Example: NEGF REG, 1 Before Instruction REG = 0011 1010 [3Ah] After Instruction REG = 1100 0110 [C6h] NOP No Operation Syntax: NOP Operands: None Operation: No operation Status Affected: None Encoding: 0000 1111 0000 xxxx 0000 xxxx 0000 xxxx Description: No operation. Words: 1 Cycles: 1 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode No operation No operation No operation Example: None. |
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