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LGE Internal Use Only
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Only for training and service purposes
3. TECHNICAL BRIEF
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ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ͑
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3.18 Motion Sensor
According to tilt the cell phone, the screen is had rotated automatically.
U503 : KR3DH IC used I2C interface to MSM7227
Figure. Motion Sensor Schematic
Figure. Compass Sensor Block Diagram
04
5
C
u1.
0
U503
61
7
6
5
4
8
3
9
2
10
1
11
12
13
41 51
2
D
E
V
R
E
S
E
R
D
D
V
GND3
GND2
INT1
VDD_IO
RESERVED1
NC1
INT2
NC2
S
C
SCL_SPC
GND1
O
D
S_I
D
S_
A
D
S
0
A
S_
O
D
S
4
D
N
G
VREG_MOTION_3.0V
10u
C541
81
5
R
K2.
2
91
5
R
K2.
2
MOTION_INT
MOTION_I2C_SCL
MOTION_I2C_SDA