Samsung S3F80JB manual Prime Register Space, Set 1, Set 2, and Prime Area Register Map

S3F80JB ADDRESS SPACES

PRIME REGISTER SPACE

The lower 192 bytes of the 256-byte physical internal register file (00H–BFH) are called the prime register space or, more simply, the prime area. You can access registers in this address using any addressing mode. (In other words, there is no addressing mode restriction for these registers, as is the case for set 1 and set 2 registers.).

The prime register area on page 0 is immediately addressable following a reset.

	Set 1
Bank 0	Bank 1

FFH

FCH

E0H

D0H

C0H

CPU and system control

General-purpose

FFH

C0H

BFH

Page 0

Set 2

Page 0

Prime

Register

Area

Peripheral and IO

00H

Figure 2-5. Set 1, Set 2, and Prime Area Register Map

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