Preliminary
SiW3500
ULTIMATEBLUE
0
Features
• RF System on Chip (SoC) for
Bluetooth wireless technology
combining a 2.4 GHz transceiver,
baseband processor, and protocol
stack ROM.
• Bluetooth specification V1.2 qualified
including mandatory and optional
functions such as AFH and eSCO.
PLL
Control
Voltage Regulators and
Power Distribution
Clock Distribution
LNA
Optional flash interface
ADC
ARM7TDMI®
UART
Processor
• Manufactured using standard
0.18-micron CMOS process
technology.
0
90
Internal
50-Ohm
Match
ADC
RF_I/O
Bluetooth
Link
Controller
PLL
Synthesizer
GFSK
Modem
Multi Function
I/Os
• UART based Host Control Interface
(HCI) transport layer supports
standard and 3-wire modes.
Data SRAM
Network
DAC
DAC
Power
Control
0
90
• Direct conversion RF architecture
improves receiver-blocking
performance.
Audio CODEC
Interface
Firmware ROM
DRIVER
Aux ADC
• I/O voltage supply can range from
1.62 V to 3.63 V.
• -85 dBm receiver sensitivity and
+2 dBm transmitter power typical
performance specifications.
Block Diagram
Product Description
• Integrated analog and digital voltage
regulators simplify system design.
The UltimateBlue SiW3500™ is a RF System On Chip (SoC) that combines
a 2.4 GHz transceiver, baseband processor, and protocol stack software for
Bluetooth® wireless technology. Due to its low power CMOS process, the
SiW3500 is ideally suited for applications such as mobile phones, audio
headsets, and other embedded products.
• 50 Ω RF I/O does not need any
additional external impedance
matching components.
• Flexible reference clock source
options including crystal or direct
input from the host platform.
• Internal temperature compensated
transmitter and receiver circuits
deliver consistent performance from
-40° to +85°C.
The SiW3500 integrates an ARM7TDMI processor for software execution
from either internal ROM or external FLASH memory. The standard
SiW3500 ROM contains the Bluetooth lower layer stack software including
the HCI transport driver.
• On-chip ROM software storage with
patch capability.
The SiW3500 is packaged in a 6 x 6 Pb-Free 96-VFBGA that meets RoHS
(Green) requirements. Known Good Die (KGD) is available for special
applications.
Applications
• Mobile phones and smart phones.
• Bluetooth audio headset.
• Bluetooth hands-free kit.
Ordering Information
SiW3500
UltimateBlue
Optimum Technology Matching® Applied
Si BJT
GaAs HBT
SiGe HBT
GaN HEMT
GaAs MESFET
RF Micro Devices, Inc.
7628 Thorndike Road
Greensboro, NC 27409, USA
Tel (336) 664 1233
Fax (336) 664 0454
http://www.rfmd.com
Si Bi-CMOS
GaInP/HBT
Si CMOS
9
SiGe Bi-CMOS
60 0066 R00Hrf SiW3500 Radio Processor DS
November 8, 2004
14-37
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