LG LG-P970 - Touch Module

3. TECHNICAL BRIEF
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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
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3.22 Touch Module
Touch module is connected to Main PCB with 10-pin connector.
The Touch module is controlled by I2C Interface in OMAP3630
Figure. Schematic of Touch connector (Main Board)
Pin No. Signal Description
1 1.8V TOUCH Power Supply for Interface I/O
2 NC -
3 GND -
4 GND -
5 GND -
6 I2C2_TOUCH_SCL I2C Clock
7 GND -
8 I2C2_TOUCH_SDA I2C Data
9 3.0V TOUCH Power Supply for Driver IC
10 TOUCH_INT_N Interrupt
Table. Interface between Touch Module and MAIN Board
207DZ
107DZ
u1
.
0507C
307DZ
307R
K
0
1
u
1
.0
7
07
C
CN701
6 5
7 4
8 3
9 2
10 1
TOUCH_INT_N
3.0V_TOUCH
1.8V_TOUCH
1.8V_TOUCH
I2C2_TOUCH_SCL
I2C2_TOUCH_SDA