LG GW620 - Google Maps; Market

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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
If a costomer buy the application SW, The Sensor Support a Eletric Compass function
U4 :AK8973 IC used I2C interface to MSM7200A
3.20 Compass Sensor
Figure. Compass Sensor Schematic
Figure.
Compass Sensor Schematic Block Diagram
U17
MSM7200
U17
MSM7200
GPIO 2 : COMPASS_I2C_SDA
GPIO 1 : COMPASS_I2C_SCL
U3
AK8973
U3
AK8973
GPIO 80 : COMPASS_INT
GPIO 91 : COMPASS_RESET
FU1.0
091C
VREG_COMPASS_2.7V
EUSY0385501
AK8973B
U3
1C
3
A
1
B
1D
4D
3C
C4 C2
D3 A4
B2 A1
A2
B3
B4
SCL
SDA
CAD1
NC1CAD0
NC2RSTN
NC3INT
1
TST
2TS
T
3TST
SSV
DIV
DDV
26R
sm
h
oK
7
.
4
16R
smhoK7.4
VREG_COMPASS_3.0V
491C
FU1.0
DNI
R60
0
75R
COMPASS_INT
COMPASS_RESET
COMPASS_I2C_SDA
COMPASS_I2C_SCL