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3. TECHNICAL BRIEF
3.7. LCD Display
LCD module include:
- LCD : 176 x 220 262K Colors TFT LCD
- Backlight : 3 piece of white LED illumination
LCD module is connected to Upper board thru 35 pins connector.
LCD FPC Interface Spec:
Table 7 LCD FPC Interface Spec.
Pin No.
Pin Name
1
GND
2
MLED
3
MLED1
4
MLED2
5
MLED3
6
VDDI(2.8V)
7
VDD(2.8V)
8
Maker ID
9
GND
10
DIF_D7
11
DIF_D6
12
DIF_D5
13
DIF_D4
14
DIF_D3
15
DIF_D2
16
DIF_D1
17
DIF_D0
18
Not used
19
Not used
20
Not used
21
Not used
22
Not used
23
Not used
24
Not used
25
Not used
26
GND
27
DIF_RD
28
DIF_WR
29
DIF_CD
30
DIF_CS
31
LCD_VSYNCO
32
IF2
33
IF1
34
DIF_RESET1
35
GND
I/O
Description
-
Ground
Power
LED common Anode
Power
LED1 Cathode
I
LED2 Cathode
I/O
LED3 Cathode
I
LCD Interface Power Supply
I
LCD Power Supply
O
2.8V
I
I/O
Data[7] for LCD
I/O
Data[6] for LCD
I/O
Data[5] for LCD
I/O
Data[4] for LCD
I/O
Data[3] for LCD
I/O
Data[2] for LCD
I/O
Data[1] for LCD
I/O
Data[0] for LCD
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
Ground
-
Read
O
Write
O
LCD maker Identification
-
LCD Chip select
LCD Vertical Synchronization
Interface Setting 2 = "H"(8bit)
Interface Setting1 = "L" (8bit)
LCD Reset
Ground
- 42 -
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Troubleshooting
