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3. Technical brief
3.2.5 Display & LCD FPC Interface
LCD module include device in table 3-2-3
Table 3-2-3. Device in LCD Module
Table 3-2-4. Interface between LCD module and LCD FPCB
Device Type
Main LCD
400 × RGB × 240, 262K Color TFT LCD
Main LCD Backlight 5 White LEDs
LCD Module is connected to Main FPCB with 37-pin Connector in LCD FPCB.
The LCD is controlled by 6-bit PDI(Parallel Data Interface) in DB3150.
Pin no. Symbol Pin no. Symbol
1 GND 21 GND
2 VDD_BACKLIGHT 22 GND
3 LCD_BL5 23 GND
4 LCD_BL4 24 PDI_D0
5 LCD_BL3 25 PDI_D1
6 LCD_BL2 26 PDI_D2
7 LCD_BL1 27 PDI_D3
8 LCD_ID 28 PDI_D4
9 VDD_LCD_2V8 29 PDI_D5
10 VDDE_1V8 30 PDI_D6
11 LCD_VSYNC 31 PDI_D7
12 LCD_CSN 32 GND
13 LCD_ADS 33 LCD_RESN
14 LCD_WEN 34 VDDE_1V8
15 LCD_RDN 35 VDDE_1V8
16 GND 36 GND
17 GND 37 GND
18 GND
19 GND
20 GND
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