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