參數(shù)資料
型號: S1D13700
廠商: 愛普生(中國)有限公司
英文描述: Embedded Memory Graphics LCD Controller
中文描述: 嵌入式內存圖形液晶顯示控制器
文件頁數(shù): 119/134頁
文件大?。?/td> 1000K
代理商: S1D13700
Epson Research and Development
Vancouver Design Center
Page 119
Hardware Functional Specification
Issue Date: 2004/01/06
S1D13700
X42A-A-001-00
Revision 1.0
15.4.2 Half-Tone Display
The FP parameter (display attributes) can be used to generate a half-intensity display by
flashing the display at 17Hz. Note that this mode may cause flicker problems with certain
LCD panels.
Menu Pad Display
Turn flashing off for the first layer, on at 17 Hz for the second layer, and combine the
screens using the OR function.
1. REG[18h] Overlay Register = 00h
2. REG[0Ah] Display Attribute Register = 34h
Figure 15-7 Half-Tone Character And Graphics
Graph Display
To display two overlaid graphs on the screen, configure the display in the same manner as
for menu pad display and put one graph on each screen layer. The difference in contrast
between the half and full intensity displays make it easy to distinguish between the two
graphs and create an attractive display.
1. REG[18h] Overlay Register = 00h
2. REG[0Ah] Display Attribute Register = 34h
AB
SAD1
1st layer
SAD2
2nd layer
AB
Combined layer display
+
Half-tone
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S1D13706 S1D13706 Embedded Memory LCD Controller
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