Samsung S3F80JB User Manual

Page 46

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S3F80JB

ADDRESS SPACES

2-14

FFH

D0H

FFH

C0H

Set 2

CFH

RP1

RP0

Register
Pointers

C0H
BFH

00H

Special-Purpose Registers

General-Purpose Registers

All

Addressing

Modes

Page 0

Indirect

Register,

Indexed

Addressing

Modes

Page 0

Register Addressing Only

Can be Pointed by Register Pointer

Each register pointer (RP) can independently point to one
of the 24 8-byte "slices" of the register file (other than set
2). After a reset, RP0 points to locations C0H-C7H and
RP1 to locations C8H-CFH (that is, to the common
working register area).

Control
Registers

System
Registers

Bank 1

Prime

Registers

NOTE:

In the S3F80JB microcontroller,only page0 is
implemented.Page0 containsall of the
addressable registers in the internal register file.

E0H

Bank 0

Figure 2-10. Register File Addressing

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