Samsung P8245 Microscope & Magnifier User Manual


 
CONTROL REGISTERS S3C8245/P8245/C8249/P8249
4-36
PP — Register Page Pointer DFH Set 1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
nRESET 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
0 0 1 0 Destination: page 2
0 0 1 1 Destination: page 3
0 1 0 0 Destination: page 4
.3.0 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
NOTE: In the S3CC8249 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 S3C8245, pages 0-1 are used for general purpose and page 2 is used for LCD data register
or general purpose registers.