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APPENDIX A INTRODUCTION TO PIGGYBACK PRODUCT Figure A-1. Memory Map (µPD78C14 Mode) 0000H Piggyback EPROM 0000H RESET 0004H NMI 0008H INTT0/INTT1 0010H INT1/INT2 0018H INTE0/INTE1 0020H INTEIN/INTAD 0028H INTSR/INTST 0060H SOFTI 0080H Low address 0081H High address 0082H Low address 0083H High address 00BEH Low address 00BFH High address 16384 × 8 bits 3FFFH 4000H External memory 48896 × 8 bits FF00H On-chip RAM 256 × 8 bits Call table FFFFH Note Standby area FEFFH t=0 t=1 t = 31 00C0H User's area 3FFFH Note Can only be used when the RAE bit of the MM register is 1. 343