Samsung S3C8275X - Manual (Page 109)

S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X CONTROL REGISTER
4-39
PP
— Register Page Pointer DFH Set 1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value 0 0 0 0 0 0 0 0
Read/Write R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode Register addressing mode only
.7–.4 Destination Register Page Selection Bits
0 0 0 0 Destination: page 0
0 0 0 1 Destination: page 1 (Not used for the S3C8278X/C8274X)
0 0 1 0 Destination: page 2
Others Not used for the S3C8275X/C8278X/C8274X
.3– .0 Source Register Page Selection Bits
0 0 0 0 Source: page 0
0 0 0 1 Source: page 1 (Not used for the S3C8278X/C8274X)
0 0 1 0 Source: page 2
Others Not used for the S3C8275X/C8278X/C8274X
NOTES:
1. In the S3C8275X microcontroller, the internal register file is configured as three pages (Pages 0-2).
The pages 0-1 are used for general purpose register file, and page 2 is used for LCD data register or general
purpose registers.
2. In the S3C8278X/C8274X microcontroller, the internal register file is configured as two pages (Pages 0, 2).
The page 0 is used for general purpose register file, and page 2 is used for LCD data register or general purpose
registers.