Touchpad Interface - LG KF600d Service Manual

3. TECHNICAL BRIEF

3.19. Touchpad Interface

CN103
G2
6
5
4
3
2
1
G1
GND Ground pin.
VDD/REF Supply voltage and external reference input.
Data available interrupt output, a delayed (process delay) pen touch detect. Pin
PENIRQ-
polarity with active low.
A1 Address input bit1.
Serial Clock. This pin is normally an input but is acting as an output when device
SCL
issue a general call.
X+ X+ channel input.
SDA Serial data I/O.
Y+ Y+ channel input.
A0 Address input bit0.
Y- Y- channel input.
X- X- channel input.
LGE Internal Use Only
TP101
TS_YM
TP102
TS_XM
TP103
TS_YP
TP104
TS_XP
TS_XP
TS_IRQ
TS_YP
2V62_VIO
2V8_VLCD
R324 R327
NA
0
U304 TSC2007IYZGR
A1
AUX
A2
VDD_REF
A3
X+
B1
PENIRQ-
B2
A0
B3
Y+
C325 C326
NA NA
Copyright © 2007 LG Electronics. Inc. All right reserved.
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2V62_VIO
C1
SDA I2C1_DATA
C2
A1
C3
X- TS_XM
D1
SCL I2C1_CLK
D2
GND
D3
Y- TS_YM
C327 C328
NA NA
Only for training and service purposes