參數(shù)資料
型號: S1D13700F02A100
元件分類: 顯示控制器
英文描述: 320 X 240 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PQFP64
封裝: LEAD FREE, TQFP-64
文件頁數(shù): 73/108頁
文件大小: 1373K
代理商: S1D13700F02A100
4: FUNCTION DESCRIPTION
62
EPSON
S1D13700 Technical Manual
4.1.5
Relationship between Display Memory and Screens
The display memory of the S1D13700 may be used as a virtual screen of greater width than the physical size
of the LCD panel address range (C/R). One layer of the S1D13700 may be considered a window through
which to look at the part of display memory that comprises a virtual screen. This window can be divided into
two blocks that may correspond to independent areas on the virtual screen. Therefore, it is possible to use one
block as a dynamically scrollable data area and the other as a stationary message area. (See Figures 4-7 and 4-
8.)
Figure 4-7 Relationship between display memory and screens
First screen
block
Second screen
block
SAD1
SAD3
SAD1
SAD3
SAD2
SAD4
SAD2
SAD4
AP
C/R
C1
C3
G2
G4
C/R
CG RAM
SAD1
SAD2
Screen
[W/S = 0 ]
L1
L2
L1
L2
Screen
[W/S = 1 ]
C/R
SAD1
SAD2
SAD3
L1
L2
L1
L2
SAD1
SAD2
SAD3
C3
G2
G3
G1
SAD3
C/R
L3
First screen block
Third screen block
Second screen
block
Second screen block
First screen block
Fourth screen block
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