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IBM uPD78082 User Manual

Page 53

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30

CHAPTER 3 CPU ARCHITECTURE

Figure 3-4. Data Memory Addressing (

µ

PD78081)

General Registers

32

×

8 bits

Internal ROM

8192

×

8 bits

Unusable

Internal High-speed RAM

256

×

8 bits

Special Function
Registers (SFRs)

256

×

8 bits

SFR Addressing

Register Addressing

Short Direct
Addressing

Direct Addressing

Register Indirect
Addressing

Based Addressing

Based Indexed
Addressing

F F 2 0 H
F F 1 F H

F F 0 0 H
FEFFH

FEE0H
FEDFH

F E 2 0 H
FE1FH

F E 0 0 H
FDFFH

2 0 0 0 H
1 F F F H

FFFFH

0 0 0 0 H

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