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3. TECHNICAL BRIEF
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.4.5 Bluetooth (M800 : LBRQ-2B43A)
The ESM6270 includes BT baseband embedded BT 1.1 compliant baseband core, so the other
bluetooth components are bluetooth RF module and Antenna.
Figure3.4.5 shows the bluetooth system architecture in the KE990/KE990c.
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LB RQ-2B43A
SYN C_DET/TX _EN
SBST
RX_BB/TX _BB
SBCK
SBDT
CLK _REF
X TA L _I N
VD D_M SM
VD D_BA T
VD
D
_I
N
T
VC
C
_
O
U
T
GND
BCM2004
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BPF
AN T
GND Part
L DO Part
Supply Part
Clo ck Part
Bl ueQ I nterf ace Part
ESM 6270
Bluetooth Baseband
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BT_TX _RX_N
SBST
BT_DA TA
SBCK
SBDT
BT_CLK
TCX O
VR EG_M SM P
VD D_A
[Figure 3.4.5] Bluetooth system architecture
Содержание KE990 - Viewty Cell Phone 100 MB
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