NL10276AC24_05 NEC, NL10276AC24_05 Datasheet - Page 17

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NL10276AC24_05

Manufacturer Part Number
NL10276AC24_05
Description
TFT COLOR LCD MODULE
Manufacturer
NEC
Datasheet

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EXPANSION FUNCTION
HOW TO USE EXPANSION FUNCTION AND SCREEN IMAGE
display data can expanded to 1.6 times vertically and horizontally, VGA screen image can be displayed fully
on the screen of XGA resolution.
horizontal direction is possible by setting input CLK frequency which is equivalent to the magnification. It is
necessary to make this CLK outside of this LCD module.
to most suitable frequency. And when DE function is used, HD and VD become default. Please adjust the
display to the best position by DE signal.
The followings show display magnifications for each mode.
* The horizontal magnification multiples the input clock (CLK).
Example :
Input CLK = system CLK
Expansion mode is a function to expand screen. For example, VGA signal has 640 480 pixels. But, if the
This LCD module has the function of expanding vertical direction as shown in Table 1. And expanding
DISPLAY IMAGE of after two pages is display example, when DE function is default and HD and VD are set
Please adopt these modes after evaluating display quality, because of becoming bad display in some cases.
In case of XGA, VGA and PC-9801, CLK frequency can be decided as follows.
XGA
VGA
PC-9801 : (system CLK (21.053MHz))
Input display
VGA TEXT
PC-9801
SVGA
NTSC
XGA
VGA
PAL
: (system CLK (65MHz))
: (system CLK (25.175MHz))
horizontal magnification
640
640
Resolution
1024
(vertical 240
(vertical 280
800
640
720
640
1.0=65MHz
1.6=40.28MHz
1.6=33.68MHz
600
480
400
400
768
2)
2)
Vertical
1.25
1.6
1.6
1.6
3.2
2.5
1
Magnification
NL10276AC24-05
Horizontal *
1.25
1.6
1.4
1.6
1.6
1.6
1
17

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