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数据搜索系统，热门电子元器件搜索 |
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数据搜索系统，热门电子元器件搜索 |
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HCS12 数据表(PDF) 375 Page - Freescale Semiconductor, Inc |
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HCS12 数据表(HTML) 375 Page - Freescale Semiconductor, Inc |
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375 / 452 page  S12CPUV2 Reference Manual, Rev. 4.0 Freescale Semiconductor 375 A.1 Introduction This appendix provides quick references for the instruction set, opcode map, and encoding. Figure A-1. Programming Model Reference Manual — S12CPUV2 Appendix A. Instruction Reference 7 15 15 15 15 15 D X Y SP PC AB N SX H I Z V C 0 0 0 0 0 0 7 0 CONDITION CODE REGISTER 8-BIT ACCUMULATORS A AND B 16-BIT DOUBLE ACCUMULATOR D INDEX REGISTER X INDEX REGISTER Y STACK POINTER PROGRAM COUNTER OR STOP DISABLE (IGNORE STOP OPCODES) RESET DEFAULT IS 1 CARRY OVERFLOW ZERO NEGATIVE MASK (DISABLE) IRQ INTERRUPTS HALF-CARRY (USED IN BCD ARITHMETIC) MASK (DISABLE) XIRQ INTERRUPTS RESET OR XIRQ SET X, INSTRUCTIONS MAY CLEAR X BUT CANNOT SET X |
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