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3. TECHNICAL BRIEF
3.5 Digital Main Processor (AD6527, U100)
Keypad
Matrix
Backlight/
Service Light
Flash
16-bit
SRAM
8 or 16 bit
(optional)
DISPLAY
(Parallel)
serial display
Accessory
Devices
e.g
BATTERY
SIM
Application
Processor
USB Host
PA Supply
Enable
Figure 3-8 SYSTEM INTERCONNECTION OF AD6527 EXTERNAL INTERFACE
AD6527/AD6527B GSM-PROCESSOR
KEYPADCOL[7:0]
TCK, TMS
KEYPADROW[7:0]
BACKLIGHT[3.0]
JTAG, HSL, GPIO
Servicelight
USCTX/RX/CLK
Enhaoced Generic serial port A
Generic serial port B
Generic serial port D
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]
AUXCS[1:0]
Generic Serial Port D-A
Generic Serial Port D-B
GPIO[ ] / IRQ
SIM serial
Interface
SPI
USB Interface
*(AD6527B only)
CLKOUT_GATE
CLKIN
MicroSM
ABBRESET
RF Interface
DRV-OUT
AGC
LNA IN
RADIO
AD6534
- 22 -
JTAGEN
TDI, TDO
PWRON
RESET
OSCIN
OSCOUT
VDDRTC
VMEM
VEXT
VCC
VMMC
VINT
VDDUSB
VSIM
GND
ASDO
ASFS
ASDI
BSDO
BSOFS
BSDI
BSIFS
CSDO
CSDI
CSFS
ABB_INT
CLKOUT
Synthesizer
VCO
13/
26MHz
JTAG
Universal
System
Connector
(USC)
Power
Management
ASDI
Audio
ASFS
Data
Port
ASDO
BSDI
BASE
BAND
BSIFS
I/Q
BSDO
Serial
BSOFS
Port
CSDI
CSDO
CSFS
control
serial
port
INT
MCLKEN
MCLK
RESET
VCXOEN
RAMP
RF Timing
I/Q Interface
VOICE i/f &
Buzzer
VOSC
AFC
JTAG
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