3. TECHNICAL BRIEF
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3.16 Compass Sensor
If a customer buy the application SW, The Sensor Support a Eletric Compass function
U700 : AMI306 IC used I2C interface to MSM7227T
Figure. Compass Sensor Schematic
Figure. Compass Sensor Block Diagram
TP701
R707
4.7K
4.7K
R708
20
7
C
u1
U700
10
9
5
4
6
3
7
2
8
1
D
D
V
A
Y
D
R
D
D
N
G
L
C
S
G
E
R
V
P
P
V
INT
SDA
ADDR
DVDD
u1
30
7
C
COMPASS_DRDY
COMPASS_I2C_SCL
COMPASS_I2C_SDA
VREG_MOTION_2.6V