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LM320240CFW Datasheet(PDF) 8 Page - Shenzhen TOPWAY Technology Co., Ltd |
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LM320240CFW Datasheet(HTML) 8 Page - Shenzhen TOPWAY Technology Co., Ltd |
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8 / 11 page ![]() TOPWAY LCD Module User Manual LM320240CFW URL: www.topwaydisplay.com www.topwaysz.com Document Name: LM320240CFW-Manual-Rev0.1.doc Page: 8 of 11 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 Resetting the LCD module The LCD module should be initialized by hardware reset, using /RES terminal. 4.3 Jumper Functions 4.3.1 Interfacing Setting Jumper JP9 JP10 Function Description Open Close CNF3=L, 8080 mode selected <default> Close Open CNF3=H, 6800 mode selected 4.4 Display Pixel Map 1,1 (D7) 2,1 (D6) 3,1 (D5) 4,1 (D4) 5,1 (D3) - - - - - - 316,1 (D4) 317,1 (D3) 318,1 (D2) 319,1 (D1) 320,1 (D0) 1,2 (D7) 2,2 (D6) 3,2 (D5) 4,2 (D4) 5,2 (D3) - - - - - - 316,2 (D4) 317,2 (D3) 318,2 (D2) 319,2 (D1) 320,2 (D0) 1,3 (D7) 2,3 (D6) 3,3 (D5) 4,3 (D4) 5,3 (D3) - - - - - - 316,3 (D4) 317,3 (D3) 318,3 (D2) 319,3 (D1) 320,3 (D0) : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : : 1,238 (D7) 2,238 (D6) 3,238 (D5) 4,238 (D4) 5,238 (D3) - - - - - - 316,238 (D4) 317,238 (D3) 318,238 (D2) 319,238 (D1) 320,238 (D0) 1,239 (D7) 2,239 (D6) 3,239 (D5) 4,239 (D4) 5,239 (D3) - - - - - - 316,239 (D4) 317,239 (D3) 318,239 (D2) 319,239 (D1) 320,239 (D0) 1,240 (D7) 2,240 (D6) 3,240 (D5) 4,240 (D4) 5,240 (D3) - - - - - - 316,240 (D4) 317,240 (D3) 318,240 (D2) 319,240 (D1) 320,240 (D0) Pixel mapping (Top View) Note: *1. 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. *2. For the details of memory mapping please refer to S1D13700 datasheet. LCD module V0 VSS VDD VR VOUT |
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