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UPD780204 Datasheet(PDF) 59 Page - NEC |
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UPD780204 Datasheet(HTML) 59 Page - NEC |
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59 / 418 page  CHAPTER 3 CPU ARCHITECTURE 59 User’s Manual U11302EJ4V0UM Figure 3-10. Data Memory Addressing ( µPD78P0208) 0000H Internal PROM 61440 x 8 bits Internal high-speed RAM 1024 x 8 bits Buffer RAM 64 x 8 bits Reserved F000H EFFFH FFFFH General-purpose registers 32 x 8 bits Special-function registers (SFRs) 256 x 8 bits FB00H FAFFH FA30H FA2FH FEE0H FEDFH FF00H FEFFH Internal expansion RAM 1024 x 8 bits F800H F7FFH F400H F3FFH Reserved FF20H FF1FH Direct addressing Register indirect addressing Based addressing Based indexed addressing FE20H FE1FH SFR addressing Register addressing Short direct addressing FA80H FA7FH FAC0H FABFH VFD display RAM 80 x 8 bits Reserved |
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