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HCS12 Datasheet(PDF) 376 Page - Freescale Semiconductor, Inc |
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HCS12 Datasheet(HTML) 376 Page - Freescale Semiconductor, Inc |
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376 / 452 page  S12CPUV2 Reference Manual, Rev. 4.0 376 Freescale Semiconductor A.2 Stack and Memory Layout A.3 Interrupt Vector Locations SP BEFORE INTERRUPT SP AFTER INTERRUPT HIGHER ADDRESSES LOWER ADDRESSES RTNLO RTNHI YLO YHI XLO XHI A B CCR SP +9 STACK UPON ENTRY TO SERVICE ROUTINE IF SP WAS ODD BEFORE INTERRUPT STACK UPON ENTRY TO SERVICE ROUTINE IF SP WAS EVEN BEFORE INTERRUPT SP +8 RTNLO SP +9 SP +9 SP +10 SP +6 YLO RTNHI SP +7 SP +7 RTNHI RTNLO SP +8 SP +4 XLO YHI SP +5 SP +5 YHI YLO SP +6 SP +2 A XHI SP +3 SP +4 XHI XLO SP +4 SP CCR B SP +1 SP +1 B A SP +2 SP –2 SP –1 SP –1 CCR SP $FFFE, $FFFF $FFFC, $FFFD $FFFA, $FFFB $FFF8, $FFF9 $FFF6, $FFF7 $FFF4, $FFF5 $FFF2, $FFF3 $FFC0–$FFF1 (M68HC12) $FF00–$FFF1 (HCS12) Power-On (POR) or External Reset Clock Monitor Reset Computer Operating Properly (COP Watchdog Reset Unimplemented Opcode Trap Software Interrupt Instruction (SWI) XIRQ IRQ Device-Specific Interrupt Sources Device-Specific Interrupt Sources |
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