Prime Register Space - Samsung S3C80M4/F80M4 User Manual

S3C80M4/F80M4

PRIME REGISTER SPACE

The lower 128 bytes (00H–7FH) of the S3C80M4's one 128-byte register pages is called prime register area.
Prime registers can be accessed using any of the seven addressing modes
(see Chapter 3, "Addressing Modes.")
The prime register area is immediately addressable following a reset.
FFH
FCH
E0H
D0H
C0H
Set 1
Bank 0 Bank 1
(Not used for
the S3C80M4)
CPU and system control
General-purpose
Peripheral and I/O
LCD data register
Figure 2-4. Set 1, Set2, Prime Area Register Map
FFH
Set 2
(Not used for
the S3C80M4)
C0H
7FH
Page 0
Prime
Space
00H
ADDRESS SPACES
2-7