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CHAPTER 3 CPU ARCHITECTURE
User’s Manual U19780EJ2V0UD
56
Figure 3-4. Correspondence Between Data Memory and Addressing (
μ
PD78F0591 and 78F0593)
SFR addressing
Direct addressing
Register indirect addressing
Based addressing
Based indexed addressing
Special function registers
(SFR)
256 x 8 bits
Internal high-speed RAM
1024 x 8 bits
General-purpose
registers
32 x 8 bits
Reserved
Flash memory
32768 x 8 bits
F F F F H
F F 0 0 H
F E F F H
F E E 0 H
F E D F H
F B 0 0 H
F A F F H
8 0 0 0 H
7 F F F H
0 0 0 0 H
F F 2 0 H
F F 1 F H
F E 2 0 H
F E 1 F H
Register addressing
Short direct
addressing