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LM2028-12 Datasheet(PDF) 7 Page - Shenzhen TOPWAY Technology Co., Ltd |
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LM2028-12 Datasheet(HTML) 7 Page - Shenzhen TOPWAY Technology Co., Ltd |
7 / 9 page TOPWAY LCD Module User Manual LM2028-12 URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM2028-12-Manual-Rev0.1.DOC 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) : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 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, 1st column, is driven by D3, the 2nd column is driven by D2, and so on. LCD module VDD V0 VEE |
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