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6. Block Diagram
GB 220 Block Diagram
ANTENNA
SKY 77531
Tx module
Speaker
AMP
Receiver
BCM2070
-
Bluetooth
Bluetooth
Antenna
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
26MHz
DCXO
TXRAMP /PAEN
TR _SW [1: 4]_RF
Quad Band Tx
Quad Band Rx
HS _Microphone
Microphone
PCM _TX /PCM _Rx
PCM _CLK /PCM _SYNC
BT _TX /BT _RX /
BT _CTS /BT _RTS
CLKMUX (32.768KHz )
DBB _BT _INT
BT _DBB _INT
BT _RST
CLKIN
MC _DETECT
MC_D[0: 3]
MMC/SD
Interface
MC _CLK /MC _CMD
Micro -SD Card Interface
KEY _ROW [0:5]/KEY _COL [0: 4]
DEBUG _RX /DEBUG _TX
USC [0: 6]
JTAG
USB +/-
Interface
RPWRON
DSR
1G _CS (ROM _CS 0/ROM_CS 1)
Lemans
BURSTCLK /nWAIT /nADV
EBUS
SD _CS /DQM[0: 1]
SD _RAS /SD _CAS /SD_WE
SD _CLK /SD _CKE
EBUS 2
CAM_CLKON
CLKOUT 2
PMB 8810
PPI
Interface
CAM_HSYNC /VSYNC /RESET
VIBRATOR
SIM Card Interface
CHG _DET /USB _DET
FM
Radio
32.768KHz Crystal , 7pF
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 113 -
6. Block Diagram
nRD /nWE
F _DPD
INTEL
ADD[01:25]
NOR 512Mbits+
DATA [00:15]
pSRAM 128Mbits
(AD MUX type)
LCD_CS 1
LCD _WE /RS
LCD _DATA [00:07]
LCD_RESET
LCD _BACKLIGHT
LCD _VSYNC
CAM _I2C interface
CAM _PCLK /PWREN
CAM _DATA [0:7]
SIM_DATA /CLK /RST
CHG _EN
ISL9221
Charging Component
Ear -Mic
(FM Radio
Antenna )
FM Chip
Antenna
LGE Internal Use Only
176RGBx 220
TFT LCD
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