LG KF750 Service Manual page 55

3. TECHNICAL BRIEF
3.2.9 Three-axis-accelerometer
The SMB380 is a triaxial low-g acceleration sensor IC with digital output for motion applications. It
allows measurements of acceleration in perpendicular axes as well as absolute temperature
measurement. If Motion is detected, then interrupt is issued to CPU and CPU read its motion value by
I2C(SMB_SDA,SMB_SCL) interface.
A P P _ G P 0 7 _ 3 A X S I _ N I T
LGE Internal Use Only
V D D H _ S M B _ 2 V 7 5
U 9 0 1
1
N C 1
2
V D D
3
G N D
4
N I T
5
C S B
C 9 0 5
2 2 n
V D D E _ 1 V 8
B M A 1 5 0
1 0
N C 2
9
V D I D O
8
S I D
7
S D O
6
S C K
0 1 . u
C 9 0 4
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S M B _ S D A
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Only for training and service purposes