LG LG-P350 - Motion Sensor

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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3.17 Motion Sensor
According to tilt the cell phone, the screen is had rotated automatically.
U603 : KR3DH IC used I2C interface to MSM7227
Figure. Motion Sensor Schematic
Figure. Motion Sensor Block Diagram
C639
10u
TP600
R619
K
2
.
2
R620
K2.2
C624
10u
VREG_MOTION_3.0V
U603
6
1
7 6
5
4
8
3
9
2
10
1
11
12
13
4
1
51
2
DEV
RESE
R
D
DV
GND3
GND2
INT1
VDD_IO
RESERVED1
NC1
INT2
NC2
SC
SCL_SPC
GND1
ODS_I
DS
_ADS
0AS
_ODS
4D
N
G
C623
0.1u
VREG_MSMP_2.6V
C638
0.1u
MOTION_I2C_SDA
MOTION_I2C_SCL
MOTION_INT