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KEYPAD
Matrix
Backlight
Service light
FLASH
16 bit
SRAM
8 or 16 bit
(optional)
DISPLAY
(parallel or
serial)
Accessory
Devices
e.g.BATTERY
SIM
PA Supply
Enable
Figure 3-9 Example of System Interconnection of AD6525 External Interfaces
AD6525 GSM-PROCESSOR
JTAGEN
KEYPADCOL[4:0]
TCK, TMS
KEYPADROW[4:0]
TDI, TDO
BACKLIGHT0
JTAGE, HSL, GPIO
USCTX/RX/CLK
BACKLIGHT1
Generic Serial port A
Generic Serial port B
Generic Serial port D
ROMCS
ADD[23:0]
DATA[15:0]
PWRON
VDDRTC
ROMCS
RD
WR
HWR/UBS
OSCOUT
LWR/LBS
DISPLAYCS
VDDCORE
LCDCTL
Generic Serial Port C
GNDCORE
GPCS0
GPCS1
Generic Serial Port D-A
Generic Serial Port D-B
GPIO[ ] / IR Q
SIM Serial Interface
CLKOUT_GATE
CLKIN
CLKOUT
CLKON
VBCRESET
Micro SM™
Generic Serial Port E
RF Interface
DRV-OUT
AGC
LAN-IN
RADIO
(AD6523/AD6524)
13MHz
- 19 -
3. TECHNICAL BRIEF
U
S
C
RESET
OSCIN
32kHz
VDDIO
GNDIO
ASDO
ASFS
ASDI
BSDO
BSOFS
BSDI
BSIFS
VSDO
VSDI
VSFS
Synthesizer
VCO
JTAG
Universal
System
Connector
(USC)
Power
Sub-system
AD6521-VBC
Control
ASDI
Serial
ASDFS
Port
ASDO
BSDI
RX/TX
BSIFS
I/Q
Serial
BSDO
Port
BSOFS
VSDI
VOICE
DATA
VSDO
Serial
VSFS
Port
MCLK oe
MCLK
RESET
RAMP
RF Timing
I/Q Interince
VOICE 1/F &
Buzzer
AFC
MODE
JTAG
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