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Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
3.10.5 Touch Windows Interface
LG-E900 implemented TOUCH function by using capacitive sensing method.
Touch module has a synatics touch driver IC. Phone has only part for connection & I2C.
ZUG{Gi
Figure. Touch window Sensor Schematic
Touch Connector
TOUCH I2C controller ( FPGA )
U507 is FPGA IC. FPGA is used for interface converting EBI2 to I2C.
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2
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1
V0.
3_
H
C
U
OT
_
G
E
R
V
V6.
2_
OI
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H
C
U
OT
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G
E
R
V
GND
TOUCH_INT
TOUCH_SCL
TOUCH_SDA
A3
B8
F8
E8
F9
E9
D9
D8
C9
C8
PIO3_1/DP00A
PIO3_2/DP00B
PIO3_3/DP01A
GBIN7/PIO3_4/DP01B
GBIN6/PIO3_5/DP02A
PIO3_6/DP02B
PIO3_7/DP03B
PIO3_8/DP03A
VCCIO_3
TOUCH_SCL
TOUCH_SDA
Содержание E900
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