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3.5 LCD Interface(8-bit Parallel interface)
FL301
LCD_D(0:7)
EVRC14S03Q030100R
LCD_D(7)
INOUT_A4
INOUT_B4
LCD_D(6)
4
INOUT_A3
INOUT_B3
3
LCD_D(5)
INOUT_A2
INOUT_B2
2
LCD_D(4)
INOUT_A1
INOUT_B1
1
9
LCD_D(3)
INOUT_B1
INOUT_A1
8
LCD_D(2)
INOUT_B2
INOUT_A2
LCD_D(1)
7
INOUT_B3
INOUT_A3
6
LCD_D(0)
INOUT_B4
INOUT_A4
FL303
EVRC14S03Q030100R
FL305
EVRC14S03Q030100R
9
LCD_ADS
INOUT_B1
INOUT_A1
8
_LCD_WR
INOUT_B2
INOUT_A2
7
_LCD_MAIN_CS
INOUT_B3
INOUT_A3
6
_LCD_SUB_CS
INOUT_B4
INOUT_A4
R308
LCD_ID
47K
R312
100K
SPK_P
SPK_N
EAR_P
EAR_N
MOTOR_P
IND_LED_B
IND_LED_R
VA300
varistor
VA301
NA
Signals
_LCD_MAIN_CS
LCD_D(0:7)
LCD_ADS, _LCD_WR
LCD_RESET
VRWLED
MLED1/2
V_EXTH, V_IO
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
6
7
8
9
1
2
3
4
1
2
3
4
LCD_RESET
CAM_RESET
VA302
VA303
C315
C316
C314
1000p
1u
0.1u
Figure 3-5-1. LCD Interface
This signal enable to access to the driver IC of LCD.
This signal transfer display data to driver IC.
This signal transfer control signal to driver IC.
This signal makes driver IC to HW default status.
This signal provide power to white LEDs.
This signal be feed back from white LEDs.
This signal provides power to LCD modules.
3. HW Circuit Description
V_EXTH
V_IO
VBAT
CN301
54
1
53
2
52
3
51
4
50
5
49
6
48
7
47
8
46
9
45
10
44
11
43
12
42
13
41
14
40
15
39
16
38
17
37
18
36
19
35
20
34
21
33
22
CAM_PWDN
32
23
31
24
30
25
29
26
28
27
C312
C313
0.1u
0.1u
Description
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CAM_D(0:7)
FL300
ICVE10184E050R101FR
9
1
CAM_D(7)
INOUT_B1
INOUT_A1
8
2
CAM_D(6)
INOUT_B2
INOUT_A2
7
3
CAM_D(5)
INOUT_B3
INOUT_A3
6
4
CAM_D(4)
INOUT_B4
INOUT_A4
FL302
ICVE10184E050R101FR
9
1
CAM_D(3)
INOUT_B1
INOUT_A1
8
2
CAM_D(2)
INOUT_B2
INOUT_A2
7
3
CAM_D(1)
INOUT_B3
INOUT_A3
6
4
CAM_D(0)
INOUT_B4
INOUT_A4
FL304
ICVE10184E050R101FR
9
1
CAM_MCLK
INOUT_B1
INOUT_A1
8
2
INOUT_B2
INOUT_A2
CAM_PCLK
7
3
INOUT_B3
INOUT_A3
CAM_HS
6
4
CAM_VS
INOUT_B4
INOUT_A4
I2C_SDA
I2C_SCL
MLED1
MLED2
VRWLED
1V8_CAM
2V8_CAM
C310
C311
0.1u
0.1u
LGE Internal Use Only
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