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3. M4 Block Diagram
I2C
MPU-3050 (Gyro)
(Invensense)
I2C
LIS331DLH(Accel.)
(STMicro)
SPI
256Kbit
2
(E
PROM)
Key Button
( 4 x 5 )
AA x 2 Battery
Bluetooth Remocon
Copyright © 2012 LG Electronics. Inc. All rights reserved.
Only for training and service purposes
BCM20733M
(BROADCOM)
Bluetooth 3.0
I2S
Power Management
DC-DC
2.8V LDO
Antenna
X-tal
24 MHz
Voice
WM8950
(Wolfson)
MIC.
(Knowles)
M4 4-mode Only
2.8V LDO
Antenna
BCM20702M
(BROADCOM)
Bluetooth 4.0
SPI
512Kbit
(Serial Flash)
X-tal
20 MHz
Connector
Bluetooth Receiver
UART
LGE Internal Use Only
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