3. TECHNICAL BRIEF
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Only for training and service purposes
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ͽͶ͑ͺΟΥΖΣΟΒΝ͑ΆΤΖ͑ΟΝΪ͑
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3.16 Compass Sensor
If a customer buy the application SW, The Sensor Support a Eletric Compass function
U604 : AMI304 IC used I2C interface to MSM7227
Figure. Compass Sensor Schematic
U604
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
C627
10n
VREG_MOTION_3.0V
TP601
R617
2.2K
VREG_MSMP_2.6V
C628
470n
R618
2.2K
COMPASS_DRDY
COMPASS_I2C_SDA
COMPASS_I2C_SCL