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LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
6. BLOCK DIAGRAM
6. BLOCK DIAGRAM
6.1 GSM & WCDMA RF Block
Figure 6-1. RF Block Diagram
U330
GSM/EDGE
PA + Ant Sw.
ANT
VAPC
RADDAT
RADCLK
RADSTR
TXADC
ANT_SW1
ANT_SW0
AHB
Defau
slav
RADCLK
RADDAT
RADSTR
VBAT
DAC_I_NEG
DAC_I_POS
DAC_Q_POS
DAC_Q_NEG
ANT_SW2
ADC
1.8 V
VIO
IO
1.2/1.05 V
VCORE
1.2/1.05 V
VCORE
2.75 V
VRAD
1.8 V
VIO
DAC_Q_POS
DAC_Q_NEG
DAC_I_POS
DAC_I_NEG
TX_POW
TXPA_POW_SENSE
WCDMA
Hi Speed
ADC_Q_POS
ADC_Q_NEG
ADC_I_POS
ADC_I_NEG
ADC_I_NEG
ADC_I_POS
ADC_Q_POS
ADC_Q_NEG
PA
PA
GSM850/
900 Input
DCS/PCS
Input
ESD
RF_WB_PA0_E
RFWB_PA1_E
RFWB_PWRDET_E
Arbitrate
& Mux
RF_CTRL_CLK
RF_CTRL_DATA
TIM
GEN
SER
CON
CLK
CON
16
16
16
16
16
16
TXIF
RFIF
16
16
TX_ADC_STRB
Digital
Baseband
Controller
Decaps
ARM9 S
ARM926
D
Cache
16 kB
I
Cache
32 kB
AHB
Master
MMU
I Mem
Control
D M
Co
ARM9EJ-S
TLB
ITCM
26 kB
ETM IF
ETM9
AHB BUS IF
JTAG DEBUG
TCM
EICE
AHB
Master
To Mux
2.75 V
VRAD
RF_CTRL_STRB1
NC
RF_CTRL_STRB0
ARB
External to Platform
Internal to Platform
LNA
LNA
LNA
LNA
LNA
A
D
A
D
0
90
LPF
+
ChP
PhD
÷
N.M
VCO
LPF
ChP
PhD
÷
N.M
+
0
90
+
DAC
DAC
XO
DAC
VCO
VCO
LNA
LNA
WCDMA LB
WCDMA HB
WCDMA HB
WCDMA HB
CLK
DATA
STROBE
Serial
Control
WTxQB
WTxQA
WTxIB
WTxIA
GSM/EDGE
AM
DAC
RFCtrl1
RFCtrl2
RFCtrl1
RFCtrl2
GSM/
EDGE HB
GSM/
EDGE LB
WCDMA LB
WCDMA HB
WCDMA HB
GSM/EDGE
LB
GSM/EDGE
LB
GSM/EDGE
HB
GSM/EDGE
HB
WRxIA
WRxIB
WRxQB
WRxQA
EDataA
EDataB
EDataC
EDataStr
WCDMA/GSM/GPRS/EDGE TRX
MCLK
CLKREQ
MCLKSec
XO
XOn
XOp
26MHz
X-tal
ANTSW2
ANTSW0
ANTSW1
ANTSW3
ANT_SW3
O
R
VBAT
WPA_A_EN
WPA_B_EN
WPOW_DET_EN
WPA_C_EN
VccWPA
VccWPA
Power
coupler
Power
coupler
VccWPA
VccWPA
RF Pow det
Det
En
Bias
DET
En
Bias
DET
En
Bias
DET
En
UL: 1920 – 1980 MHz
DL: 2110 – 2170 MHz
UL: 1749.9 – 1784.9 MHz
DL: 1844.9 – 1879.9 MHz
UL: 830 – 840 MHz
DL: 875 – 885 MHz
824 – 915 MHz
1710 – 1910 MHz
1930 – 1990 MHz
1805 – 1880 MHz
925 – 960 MHz
869 – 894 MHz
WDCDCREF
WPOW_DET_EN
FB
Switch
PWM/PFM
En
Control
Logic
RFCtrl1
1.8 V
VIO
BT UART
I
2
S/PCM
(BT)
REG
1.8V
Bluetooth
Radio
PCMDLD
RESOUT2n
SYSCLKREQ1
SYSCLK1
RTCCLK
VBAT
REG
2.75V
Bluetooth
Baseband
WLAN
APP_GPIO
INT
MCLK
32kHz
VIO
1.8V
VBAT
RESOUTx
RST
SPI
RF3300