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PIC18LF4331-E/ML Datasheet(PDF) 295 Page - Microchip Technology |
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PIC18LF4331-E/ML Datasheet(HTML) 295 Page - Microchip Technology |
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295 / 392 page ![]() 2010 Microchip Technology Inc. DS39616D-page 295 PIC18F2331/2431/4331/4431 BRA Unconditional Branch Syntax: [ label ] BRA n Operands: -1024 n 1023 Operation: (PC) + 2 + 2n PC Status Affected: None Encoding: 1101 0nnn nnnn nnnn Description: Add the 2’s complement number, ‘2n’, to the PC. Since the PC will have incre- mented to fetch the next instruction, the new address will be PC + 2 + 2n. This instruction is a two-cycle instruction. Words: 1 Cycles: 2 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode Read literal ‘n’ Process Data Write to PC No operation No operation No operation No operation Example: HERE BRA Jump Before Instruction PC = address (HERE) After Instruction PC = address (Jump) BSF Bit Set f Syntax: [ label ] BSF f,b[,a] Operands: 0 f 255 0 b 7 a [0,1] Operation: 1 f<b> Status Affected: None Encoding: 1000 bbba ffff ffff Description: Bit ‘b’ in register, ‘f’, is set. If ‘a’ is ‘0’, Access Bank will be selected, over- riding the BSR value. If ‘a’ = 1, then the bank will be selected as per the BSR value. Words: 1 Cycles: 1 Q Cycle Activity: Q1 Q2 Q3 Q4 Decode Read register ‘f’ Process Data Write register ‘f’ Example: BSF FLAG_REG, 7 Before Instruction FLAG_REG = 0x0A After Instruction FLAG_REG = 0x8A |
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