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3. TECHNICAL BRIEF
3.5 Digital Main Processor (AD6527, U101)
Figure 3-8. SYSTEM INTERCONECTION OF AD6527 EXTERNAL INTERFACE
Keypad
Backlight/
Service Light
8 or 16 bit
(optional)
DISPLAY
(parallel)
Serial display
Accessory
Devices
BATTERY
Application
Processor
USB Host
AD6527/AD6527B GSM-PROCESSOR
KEYPADCOL[7:0]
KEYPADROW[7:0]
Matrix
BACKLIGHT[3.0]
Servicelight
Enhanced Generic Serial Port A
Flash
ROMCS[1:0]
16-bit
ADD[24:0]
DATA[15:0]
RAMCS[1:0]
SRAM
RD
WR
HWR/UBS
LWR/LBS
DISPLAYCS[1:0]
Generic Serial
Port C
GPCS[1:0]
AUXCS[1:0]
Generic Serial Port D-A
e.g
Generic Serial Port D-B
GPIO[ ] / IRQ
SIM Serial
SIM
Interface
SPI
USB Interface
*(AD6527B only)
CLKIN
MicroSM"
RF Interface
DRV - OUT
LNA IN
RADIO
PA Supply
AD6534
Enable
JTAGEN
TCK,TMS
TDI,TDO
JTAG,HSL,GPIO
USCTX/RX/CLK
Generic Serial Port B
Generic Serial Port D
PWRON
RESET
OSCIN
OSCOUT
VDDRTC
VMEM
VEXT
VCC
VMMC
VINT
VDDUSB
VSIM
GND
ASDO
ASFS
ASDI
BSDO
BSOFS
BSDI
I
BSIFS
CSDO
CSDI
CSFS
ABB_INT
CLKOUT_GATE
CLKOUT
ABBRESET
AGC
Synthesizer
VCO
13/
26MHz
- 24 -
JTAG
Universal
System
Connector
(USC)
Power
Management
ASDI
Audio
ASFS
Dat
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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