LG KE990 Service Manual - Page 52

Pin Description ] - master reset

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3. TECHNICAL BRIEF The MEGA Camera module is connected to Main PCB with 30pin Board to Board connector Its interface is dedicated camera interface port in Multimedia chip. The camera port supply 13MHz master clock to camera module, vertical sync signal, horizontal sync signal, reset signal and 8bits data from camera module. The camera module is controlled by I2C port from Multimedia chip. [ Pin Description ] No Symbol 1 AF_GND 2 GND 3 VDD_AF(2.8V) 4 SCL 5 GND 6 SDA 7 VDD_SA(2.8V) 8 VSYNC 9 VDD_IO(2.8or1.8V) 10 HSYNC 11 TRIG 12 XRST 13 GND 14 STRB 15 D[7] 16 D[6] 17 D[5] 18 D[4] 19 D[3] 20 D[2] 21 D[1] 22 D[0] 23 VDD_SD(1.8V) 24 GND 25 DCK 26 MCK 27 GND 28 VDD_L(1.2V) I/O State at State at State at reset power save power off - - - - - - - - - - - - I/O HiZ Active HiZ - - - - I/O HiZ Active HiZ - - - - O Low HiZ HiZ - - - - O Low HiZ HiZ O Low Low Low I - - - - - - - O Low Low Low O Low HiZ HiZ O Low HiZ HiZ O Low HiZ HiZ O Low HiZ HiZ O Low HiZ HiZ O Low HiZ HiZ O Low HiZ HiZ O Low HiZ HiZ - - - - - - - - O Low HiZ HiZ I - - - - - - - - - - - Description Ground(Auto Focus) Ground Voltage Supply(Auto Focus) I2C Serial Bus Clock Ground I2C Serial Bus Data I/O Voltage Supply(Sensor Analog) Vertical Synchronization Signal Voltage Supply(I/O) Horizontal Synchronization Signal Interrupt Line Signal System Reset Ground LED/Xenon Strobe Contol Digital Video Data(MSB) Digital Video Data Digital Video Data Digital Video Data Digital Video Data Digital Video Data Digital Video Data Digital Video Data(LSB) Voltage Supply(Sensor Digital) Ground Digital Video Data Clock System Clock Input Ground Voltage Supply(DSP Core) Table. Interface between MEGA Camera Module and MAIN PCB (in camera module) Copyright © 2008 LG Electronics. Inc. All right reserved. Only for training and service purposes - 53 - LGE Internal Use Only

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The MEGA Camera module is connected to Main PCB with 30pin Board to Board connector Its
interface is dedicated camera interface port in Multimedia chip. The camera port supply 13MHz master
clock to camera module, vertical sync signal, horizontal sync signal, reset signal and 8bits data from
camera module. The camera module is controlled by I2C port from Multimedia chip.
- 53 -
3. TECHNICAL BRIEF
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc.
All right reserved.
Only for training and service purposes
Table. Interface between MEGA Camera Module and MAIN PCB (in camera module)
[ Pin Description ]
1
AF_GND
-
-
-
-
Ground(Auto Focus)
2
GND
-
-
-
-
Ground
3
VDD_AF(2.8V)
-
-
-
-
Voltage Supply(Auto Focus)
4
SCL
I/O
HiZ
Active
HiZ
I
2
C Serial Bus Clock
5
GND
-
-
-
-
Ground
6
SDA
I/O
HiZ
Active
HiZ
I
2
C Serial Bus Data I/O
7
VDD_SA(2.8V)
-
-
-
-
Voltage Supply(Sensor Analog)
8
VSYNC
O
Low
HiZ
HiZ
Vertical Synchronization Signal
9
VDD_IO(2.8or1.8V)
-
-
-
-
Voltage Supply(I/O)
10
HSYNC
O
Low
HiZ
HiZ
Horizontal Synchronization Signal
11
TRIG
O
Low
Low
Low
Interrupt Line Signal
12
XRST
I
-
-
-
System Reset
13
GND
-
-
-
-
Ground
14
STRB
O
Low
Low
Low
LED/Xenon Strobe Contol
15
D[7]
O
Low
HiZ
HiZ
Digital Video Data(MSB)
16
D[6]
O
Low
HiZ
HiZ
Digital Video Data
17
D[5]
O
Low
HiZ
HiZ
Digital Video Data
18
D[4]
O
Low
HiZ
HiZ
Digital Video Data
19
D[3]
O
Low
HiZ
HiZ
Digital Video Data
20
D[2]
O
Low
HiZ
HiZ
Digital Video Data
21
D[1]
O
Low
HiZ
HiZ
Digital Video Data
22
D[0]
O
Low
HiZ
HiZ
Digital Video Data(LSB)
23
VDD_SD(1.8V)
-
-
-
-
Voltage Supply(Sensor Digital)
24
GND
-
-
-
-
Ground
25
DCK
O
Low
HiZ
HiZ
Digital Video Data Clock
26
MCK
I
-
-
-
System Clock Input
27
GND
-
-
-
-
Ground
28
VDD_L(1.2V)
-
-
-
-
Voltage Supply(DSP Core)
No
Symbol
I/O
Description
State at
reset
State at
power save
State at
power off