LG U8138 Service Manual page 40

The Camera module is connected to main board with 20pin Board to Board connector (AXK7L80225).
Its interface is dedicated camera interface port in Marita. The camera port supply 24MHz master clock
to camera module and receive 12MHz pixel clock (30fps), vertical sync signal, horizontal sync signal,
reset signal and 8bits YUV data from camera module. The camera module is controlled by I2C port.
NO Pin Name
1 DOUT4
2 DOUT5
3 VD
4 DOUT1
5 DOUT2
6 DCLK
7 DOUT0
8 DOUT3
9 EXTCLK
10 GND
11 FSSTB
12 DVDD
13 GND
14 SCL
15 RESET
16 AVDD
17 HD
18 SDA
19 DOUT6
20 DOUT7
Table. Interface between Camera Module and Main Board (in camera module)
Pin Type
DO Image data output
DO Image data output
DO Vertical Synchronization Pulse Output
DO Image data output
DO Image data output
DO Clock for Output Data
DO Image data output
DO Image data output
DI External Clock Input
Ground
DO Strobe Pulse for Flash
VDD for the Digital Circuit
Ground
Clock for IIC bus Command
DI Reset Terminal
VDD for the Sensor and PLL
DO Horizontal Synchronization Pulse Output
Clock for IIC bus Command
DO Image data output
DO Image data output
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3. TECHNICAL BRIEF
Description