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LM2028-19 Datasheet(HTML) 7 Page - Shenzhen TOPWAY Technology Co., Ltd

Part No. LM2028-19
Description  LCD Module User Manual
Download  9 Pages
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Maker  TOPWAY [Shenzhen TOPWAY Technology Co., Ltd]
Homepage  https://www.topwaydisplay.com
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LM2028-19 Datasheet(HTML) 7 Page - Shenzhen TOPWAY Technology Co., Ltd

   
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TOPWAY
LCD Module User Manual
LM2028-19
URL:
www.topwaydisplay.com
www.topwaysz.com
Document Name: LM2028-19-Manual-Rev0.2
Page: 7 of 9
4. Function Specifications
4.1
Adjusting the Display Contrast
A Variable-Resistor must be connected to the LCD
module for providing a reference to V0. Adjusting the
VR will result the change of LCD display contrast.
The recommended value of VR is 25k to 50k
4.2
Display Pixel Map
1,1
(D3)
2,1
(D2)
3,1
(D1)
4,1
(D0)
5,1
(D3)
- - -
- - -
316,1
(D0)
317,1
(D3)
318,1
(D2)
319,1
(D1)
320,1
(D0)
1,2
(D3)
2,2
(D2)
3,2
(D1)
4,2
(D0)
5,2
(D3)
- - -
- - -
316,2
(D0)
317,2
(D3)
318,2
(D2)
319,2
(D1)
320,2
(D0)
1,3
(D3)
2,3
(D2)
3,3
(D1)
4,3
(D0)
5,3
(D3)
- - -
- - -
316,3
(D0)
317,3
(D3)
318,3
(D2)
319,3
(D1)
320,3
(D0)
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1,238
(D3)
2,238
(D2)
3,238
(D1)
4,238
(D0)
5,238
(D3)
- - -
- - -
316,238
(D0)
317,238
(D3)
318,238
(D2)
319,238
(D1)
320,238
(D0)
1,239
(D3)
2,239
(D2)
3,239
(D1)
4,239
(D0)
5,239
(D3)
- - -
- - -
316,239
(D0)
317,239
(D3)
318,239
(D2)
319,239
(D1)
320,239
(D0)
1,240
(D3)
2,240
(D2)
3,240
(D1)
4,240
(D0)
5,240
(D3)
- - -
- - -
316,240
(D0)
317,240
(D3)
318,240
(D2)
319,240
(D1)
320,240
(D0)
Pixel mapping (Top View)
Based on the top view of the LCD module,
the 1, 1 (x, y) pixel is the upper-left pixel;
the 320, 240 (x, y) pixel is the lower-right pixel.
Each pixel is driven by D3, D2, D1, or D0, depends on column.
The left most column, 1
st column, is driven by D3,
the 2
nd column is driven by D2, and so on.
LCD module
VDD
V0
VEE


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