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Only for training and service purposes
3. TECHNICAL BRIEF
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ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ͑
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3.17 Compass Sensor
If a customer buy the application SW, The Sensor Support a Eletric Compass function
U1 : AMI304 IC used I2C interface to MSM7227
Figure. Compass Sensor Schematic
C706
470n
VREG_MSMP_2.6V
VREG_MOTION_3.0V
40
7
C
n0
1
U1
12
11
10
9
5
4
6
3
7
2
8
1
D
D
V
D
G
E
R
V
A
D
N
G
S
D
N
G
D
D
V
A
ADDR
SCL
NC1
T
N
I
VPP
DRDY
SDA
PROX_COMPASS_I2C_SCL
PROX_COMPASS_I2C_SDA
COMPASS_DRDY