參數(shù)資料
型號: SED1336F
廠商: Electronic Theatre Controls, Inc.
英文描述: LCD Controller ICs
中文描述: LCD控制器芯片
文件頁數(shù): 137/148頁
文件大?。?/td> 388K
代理商: SED1336F
S-MOS Systems, Inc. 2460 North First Street San Jose, CA 95131 Tel: (408) 922-0200 Fax: (408) 922-0238
268-0.4
137
9.5 – 9.5.2.1
9.0 Application Notes
9.5 Layered Display Attributes
SED1330F/1335F/1336F incorporates a number of
functions for enhanced displays using monochrome
LCD panels. It allows the display of inverse charac-
ters, half-intensity menu pads and flashing of selected
screen areas. These functions are controlled by the
OVLAY and DISP ON/OFF commands.
A number of means can be used to achieve these
effects, depending on the display configuration. These
are listed below. Note, however, that not all of these
can be used in the one layer at the same time.
Error
Attribute
Reverse
Half-tone
Local flashing
Ruled line
MX1
0
1
0
1
0
0
0
0
1
MX0
1
1
0
1
0
1
0
1
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
2ndt layer display
Figure 88. Layer synthesis
9.5.1 Inverse Display
The first layer is text, the second layer is graphics.
1. CSRW, CSDIR, MWRITE
Write 1s into the graphics screen at the area to
be inverted.
2. OVLAY: MX0 = 1, MX1 = 0
Set the combination of the two layers to
Exclusive-OR.
3. DISP ON/OFF: FP0 = FP1 = 1, FP1 = FP3 =
0.
Turn on layers 1 and 2.
9.5.2 Half-tone Display
The FP parameter can be used to generate half-
intensity display by flashing the display at 17 Hz. Note
that this mode of operation may cause flicker prob-
lems with certain LCD panels.
9.5.2.1 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. OVLAY: P1 = 00H
2. DISP ON/OFF: P1 = 34H
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