
CONTROL REGISTERS
S3C828B/F828B/C8289/F8289/C8285/F8285
4-42
PP — Register Page Pointer
DFH
Set 1
Bit Identifier
.7
.6
.5
.4
.3
.2
.1
.0
RESET Value
0
Read/Write
R/W
Addressing Mode
Register addressing mode only
.7–.4
Destination Register Page Selection Bits
0
Destination: page 0
0
1
Destination: page 1
0
1
0
Destination: page 2 (not used for the S3C8285)
0
1
Destination: page 3 (not used for the S3C8285)
0
1
0
Destination: page 4 (not used for the S3C8289/C8285)
0
1
0
1
Destination: page 5 (not used for the S3C8289/C8285)
0
1
0
Destination: page 6 (not used for the S3C8289/C8285)
0
1
Destination: page 7 (not used for the S3C8289/C8285)
1
0
Destination: page 8 (not used for the S3C8289/C8285)
1
0
1
Destination: page 9 (not used for the S3C8289/C8285)
1
Destination: page 15
Others
Not used for the S3C828B/C8289/C8285
.3 – .0
Source Register Page Selection Bits
0
Source: page 0
0
1
Source: page 1
0
1
0
Source: page 2 (not used for the S3C8285)
0
1
Source: page 3 (not used for the S3C8285)
0
1
0
Source: page 4 (not used for the S3C8289/C8285)
0
1
0
1
Source: page 5 (not used for the S3C8289/C8285)
0
1
0
Source: page 6 (not used for the S3C8289/C8285)
0
1
Source: page 7 (not used for the S3C8289/C8285)
1
0
Source: page 8 (not used for the S3C8289/C8285)
1
0
1
Source: page 9 (not used for the S3C8289/C8285)
1
Source: page 15
Others
Not used for the S3C828B/C8289/C8285
NOTES:
1.
In the S3C828B microcontroller, the internal register file is configured as eleven pages (pages 0-9,15). The pages 0-9
are used for general purpose register file.
2.
In the S3C8289 microcontroller, the internal register file is configured as eleven pages (pages 0-3,15). The pages 0-3
are used for general purpose register file.
3.
In the S3C8285 microcontroller, the internal register file is configured as eleven pages (pages 0-1,15). The pages 0-1
are used for general purpose register file.
4.
The page 15 of S3C828B/C8289/C8285 is used for LCD data register or general purpose register.