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LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. Technical Brief
According to tilt the cell phone, the screen is had rotated automatically.
U4 :BMA150 IC used I2C interface to MSM7200A
3.18. Motion Sensor
Figure. Motion Sensor Schematic
Figure.
Motion Sensor Schematic Block Diagram
48C
FU1.0
C92
22n
5
9
R
smh
oK7
.
4
093
66R
VREG_MSMP_2.7V
sm
hoK7.4
001R
VREG_MSMP_2.7V
BMA150
EUSY0345201
U4
2
1
1
1
65
74
83
92
101
NC1
NC2
VDD VDDIO
GND SDI
INT SDO
CSB SCK
1
T
O
N
2
T
O
N
MOTION_I2C_SD
MOTION_I2C_SCL
MOTION_INT