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參數(shù)資料
| 型號(hào)： | S1D13305F00A |
| 元件分類： | 顯示控制器 |
| 英文描述： | 640 X 256 PIXELS CRT CHAR OR GRPH DSPL CTLR, PQFP60 |
| 封裝： | QFP5-60 |
| 文件頁數(shù)： | 84/94頁 |
| 文件大小： | 541K |
| 代理商： | S1D13305F00A |
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S1D13305 Series
EPSON
79
Technical Manual
16.4. Smooth Horizontal Scrolling
Figure 63 illustrates smooth display scrolling to the left.
When scrolling left, the screen is effectively moving to
the right, over the larger virtual screen.
Instead of changing the display start address SAD and
shifting the display by eight pixels, smooth scrolling is
achieved by repeatedly changing the pixel-shift param-
eter of the HDOT SCR command. When the display has
been scrolled seven pixels, the HDOT SCR pixel-shift
parameter is reset to zero and SAD incremented by one.
Repeating this operation at a suitable rate gives the
appearance of smooth scrolling.
To scroll the display to the right, the reverse procedure is
followed.
When the edge of the virtual screen is reached, the
microprocessor must take appropriate steps so that the
display is not corrupted. The scroll must be stopped or the
display modified.
Note that the HDOT SCR command cannot be used to
scroll individual layers.
Figure 63. HDOT SCR example
Display
AP
P1 = 00H
P1 = 01H
P1 = 02H
P1 = 03H
P1 = 07H
P1 = 00H
HDOT SCR
parameter
SAD
SAD + 1
SAD + 2
SAD = SAD + 1
SAD = SAD
Not visible
Visible
C/R
Virtual screen
Magnified
Note: The response time of LCD panels changes considerably at low temperatures. Smooth scrolling under these conditions may
make the display difficult to read.
APPLICATION NOTES
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| S1D13600F00A | CRT OR FLAT PNL GRPH DSPL CTLR, PQFP64 |
| S1D13700F02A100 | 320 X 240 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PQFP64 |
| S1D13706F00A | 320 X 240 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PQFP100 |
| S1D13806F00A | CRT OR FLAT PNL GRPH DSPL CTLR, PQFP144 |
| S1D13A05B00B | 320 X 320 PIXELS CRT OR FLAT PNL GRPH DSPL CTLR, PBGA121 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| S1D13305F00A100 | 制造商:SEIKO 功能描述: |
| S1D13305F00A200 | 制造商:Epson Electronics America Inc 功能描述:Access Mls Drive Method Lcd Chp Set |
| S1D13305F00B | 制造商:EPSON 制造商全稱:EPSON 功能描述:LCD Controller ICs |
| S1D13305F00B100 | 制造商:Epson Electronics America Inc 功能描述:LCD DRVR 3V/3.3V/5V 80-Pin TQFP |
| S1D13501F00A100 | 制造商:Epson Electronics America Inc 功能描述:LCD DRVR 3V/3.3V/5V 80-Pin TQFP |
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