參數(shù)資料
型號: S1D13305F00B
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: QFP6-60
文件頁數(shù): 85/94頁
文件大小: 541K
代理商: S1D13305F00B
80
EPSON
S1D13305 Series
Technical Manual
16.5. Layered Display Attributes
S1D13305 series incorporates a number of functions for
enhanced 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 the OVLAY and DISP ON/
OFF commands.
Figure 64. Layer synthesis
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.
16.5.1. Inverse display
The first layer is text, the second layer is graphics.
1. CSRW, CSDIR, MWRITE
Write is 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.
Error
Attribute
Reverse
Half-tone
Local flashing
Ruled line
MX1
0
1
0
1
0
1
MX0
1
0
1
0
1
0
1
Combined layer display
IV
ME
BL
RL
LINE
Yes, No
EPSON
Error
1st layer display
IV
ME
BL
RL
LINE
Yes, No
EPSON
2ndt layer display
16.5.2. 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 problems with
certain LCD panels.
16.5.2.1. 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
Figure 65. Half-tone character and graphics
AB
SAD1
1st layer
SAD2
2nd layer
AB
Combined layer display
+
Half-tone
APPLICATION NOTES
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