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S3C8248/C8245/P8245/C8247/C8249/P8249
PP
— Register Page Pointer
Bit Identifier
RESET Value
RESET
Read/Write
Addressing Mode
.7–.4
.3 – .0
NOTE: In the S3C8247/C8249 microcontroller, the internal register file is configured as five pages (Pages 0-4).
The pages 0-3 are used for general purpose register file, and page 4 is used for LCD data register or general
purpose registers.
In case of S3C8248/C8245, pages 0-1 are used for general purpose and page 2 is used for LCD data register
or general purpose registers.
.7
.6
0
0
R/W
R/W
Register addressing mode only
Destination Register Page Selection Bits
0
0
0
0
Destination: page 0
0
0
0
1
Destination: page 1
0
0
1
0
Destination: page 2
0
0
1
1
Destination: page 3
0
1
0
0
Destination: page 4
Source Register Page Selection Bits
0
0
0
0
Source: page 0
0
0
0
1
Source: page 1
0
0
1
0
Source: page 2
0
0
1
1
Source: page 3
0
1
0
0
Source: page 4
.5
.4
0
0
R/W
R/W
R/W
CONTROL REGISTER
DFH
.3
.2
.1
0
0
0
R/W
R/W
Set 1
.0
0
R/W
4-33
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