Samsung C8278X ユーザーズマニュアル

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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 
 
1
Destination: page 1 (Not used for the S3C8278X/C8274X) 
 
0 0 1 0
Destination: 
page 
 
Others 
Not used for the S3C8275X/C8278X/C8274X 
 
.3– .0 
Source Register Page Selection Bits 
 
0 0 0 0
Source: 
page 
 
1
Source: page 1 (Not used for the S3C8278X/C8274X) 
 
0 0 1 0
Source: 
page 
 
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.