LG B2000 Service Manual

3. TECHNICAL BRIEF
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3.5 Digital Main Processor (AD6527, U100)
Keypad
Matrix
Backlight/
Service Light
Flash
16-bit
SRAM
8 or 16 bit
(optional)
SIM
Application
Processor
USB Host
KEYPADCOL[7:0]
KEYPADROW[7:0]
Servicelight
BACKLIGHT[3.0]
USCTX/RX/CLK
ROMCS[1:0]
ADD[24:0]
DATA[15:0]
RAMCS[1:0]
RD
WR
HWR/UBS
LWR/LBS
DISPLAYCS[1:0]
Generic Serial
Port C
GPCS[1:0]
CLKIN
MicroSM
CSDO
CSFS
BSOFS
CSDI
BSDO
RF Interface
PA Supply
Enable
BSDI
BSIFS
ASDO
ASDI
ASFS
CLKOUT_GATE
CLKOUT
ABBRESET
PWRON
RESET
OSCIN
AD6527/AD6527B GSM-PROCESSOR
JTAGEN
TCK, TMS
TDI, TDO
JTAG
Power
Management
USC
32KHz
CSDI
CSFS
CSDO
BSDI
BSIFS
BSDO
BSOFS
ASDI
ASDO
ASFS
MCLK
RESET
VCXOEN
MCLKEN
DRV-OUT
LNA IN
RADIO
AD6534
AGC Synthesizer
VCO
13/
26MHz
JTAG
VOSC
AFC
RAMP
RF Timing
I/Q Interface
VOICE i/f &
Buzzer
Universal
System
Connector
(USC)
Figure 3-8 SYSTEM INTERCONNECTION OF AD6527 EXTERNAL INTERFACE
(Parallel)
JTAG, HSL, GPIO
Enhaoced Generic serial port A
Generic serial port B
Generic serial port D
SIM serial
Interface
SPI
USB Interface
*(AD6527B only)
OSCOUT
VDDRTC
VMEM
VEXT
VCC
VMMC
VINT
VDDUSB
VSIM
GND
ABB_INT
serial display
DISPLAY
Accessory
Devices
e.g
BATTERY
AUXCS[1:0]
Generic Serial Port D-A
Generic Serial Port D-B
GPIO[ ] / IRQ
INT
AD6535 Audio & Base band
Processor
Audio
Data
Port
BASE
BAND
I/Q
Serial
Port
control
serial
port

LG B2000 Specifications

General

Brand	LG
Model	B2000
Category	Cell Phone
Language	English