參數(shù)資料
型號(hào): 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(nèi)存圖形液晶顯示控制器
文件頁數(shù): 118/134頁
文件大小: 1000K
代理商: S1D13700
Page 118
Epson Research and Development
Vancouver Design Center
S1D13700
X42A-A-001-00
Hardware Functional Specification
Issue Date: 2004/01/06
Revision 1.0
15.4 Layered Display Attributes
S1D13700 incorporates a number of functions for enhancing displays using monochrome
LCD panels. It allows the display of inverse characters, half-intensity menu pads and
flashing of selected screen areas. These functions are controlled by REG[18h] Overlay
Register and REG[0Ah] Display Attribute Register.
Figure 15-6 Layer Synthesis
These effects can be achieved in different ways, depending on the display configuration.
The following sections describe these functions.
Note
Not all functions can be used in one layer at the same time.
15.4.1 Inverse Display
For inverse display where the first layer is text and the second layer is graphics.
1. CSRW, CSRDIR, MWRITE
Write to the graphics screen at the area to be inverted.
2. OVLAY: MX0 = 1, MX1 = 0 (REG[18h] bits 1-0)
Set the layer compensation method of the two layers to Exclusive-OR.
3. DISP ON/OFF: FP0 = 1, FP1 = 0, FP2 = 1, FP3 = 0.
Turn on layers 1 and 2 with no flashing.
Error
Attribute
Reverse
Half-tone
Local flashing
Ruled line
MX1
0
0
0
0
0
0
MX0
1
0
0
1
0
1
Combined Layer
Display
IV
ME
BL
RL
LINE
LINE
Yes, No
EPSON
Error
1st Layer Display
IV
ME
BL
RL
LINE
LINE
Yes, No
EPSON
2nd Layer Display
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