NEC UPD789026 Series User Manual page 51

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CHAPTER 3 CPU ARCHITECTURE
Figure 3-9. Data Memory Addressing ( µ µ µ µ PD789026)
Special Function Registers (SFR)
256 × 8 bits
Internal High-Speed RAM
512 × 8 bits
Reserved
Internal ROM
16,384 × 8 bits
User's Manual U11919EJ3V0UM00
SFR Addressing
Short Direct
Addressing
Direct Addressing
Register Indirect
Addressing
Based Addressing
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