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3.9 LCD Interface
FL303
LCD_VSYNC
INOUT_A4
4
LCD_WR_N
INOUT_A3
3
LCD_RS
INOUT_A2
2
LCD_CS_N
INOUT_A1
1
FL304
LCD_D[07]
INOUT_A4
4
LCD_D[06]
INOUT_A3
3
LCD_D[05]
INOUT_A2
2
LCD_D[04]
INOUT_A1
1
FL305
LCD_D[03]
INOUT_A4
4
LCD_D[02]
INOUT_A3
3
LCD_D[01]
INOUT_A2
2
LCD_D[00]
INOUT_A1
1
The LH240Q40-SD14 model is a Color TFT (Main) LCD supplied by LG Display.
This main LCD has a 2.4 inch diagonally measured active display area with 240x(RGB)x320 resolution.
Each pixel is divided into Red, Green and Blue sub-pixels and dots which are arranged in vertical stripes.
Main LCD color is determined with 262K colors signal for each pixel.
The LH240Q40-SD14 has been designed to apply the interface method that enables low power, high speed,
and high contrast.
The LH240Q40-SD14 is intended to support applications where thin thickness, wide viewing angle and low
power consumption are critical factors and graphic displays are important.
LGE Internal Use Only
VDD_IO_1V8
LED_PWM
15pF
INOUT_B4
6
INOUT_B3
7
INOUT_B2
8
INOUT_B1
9
15pF
INOUT_B4
6
INOUT_B3
7
INOUT_B2
8
INOUT_B1
9
15pF
INOUT_B4
6
INOUT_B3
7
INOUT_B2
8
INOUT_B1
9
C327
1u
Figure 3-9-1. LCD Interface of LCD FPCB
VAUX_2V85
CN302
37
36
35
34
33
32
31
30
29
28
27
26
25
IFMODE
24
11
LCD ID
23
22
35
IF (IM0)
21
20
19
18
17
16
15
14
13
12
11
10
9
MLED5
8
MLED4
7
MLED3
6
C328
MLED2
5
1u
MLED1
4
3
2
1
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Copyright © 011 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
LGIT : HIGH
8 BIT : L
16BIT : H
LCD_MAKER_ID
R319
LCD_RST_N
100
VBAT
C326
VA307
DNI
C329
C330
2.2u
0.1u
Only for training and service purposes
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