Key Features
BC352239A-ds-001Pc
© Cambridge Silicon Radio Limited 2004
Production Information
Page 8 of 116
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Key Features
Radio
! Common TX/RX terminal simplifies external
matching; eliminates external antenna switch
! BIST minimises production test time. No external
trimming is required in production
! Full RF reference designs available
! Bluetooth v1.2 Specification compliant
Transmitter
! +6dBm RF transmit power with level control from
on-chip 6-bit DAC over a dynamic range >30dB
! Class 2 and Class 3 support without the need for
an external power amplifier or TX/RX switch
! Class1 support using external power amplifier, with
RF power controlled by an internal 8-bit DAC
Receiver
! Integrated channel filters
! Digital demodulator for improved sensitivity and
co-channel rejection
! Real time digitised RSSI available on HCI interface
! Fast AGC for enhanced dynamic range
Synthesiser
! Fully integrated synthesiser requires no external
VCO, varactor diode, resonator or loop filter
! Compatible with crystals between 8 and 32MHz (in
multiples of 250kHz) or an external clock
! Accepts 7.68, 14.44, 15.36, 16.2, 16.8, 19.2, 19.44,
19.68, 19.8 and 38.4MHz TCXO frequencies for
GSM and CDMA devices with sinusoidal or logic
level signals
Auxiliary Features
! Crystal oscillator with built-in digital trimming
! Power management includes digital shut down and
wake up commands with an integrated low power
oscillator for ultra-low power Park/Sniff/Hold mode
! ‘Clock request’ output to control an external clock
! On-chip linear regulator; 1.8V output from a
2.2-4.2V input
! Power-on-reset cell detects low supply voltage
! Arbitrary power supply sequencing permitted
! 8-bit ADC and DAC available to applications
Package Options
! 120-ball VFBGA, 7 x 7 x 1mm, 0.5mm pitch
Kalimba DSP
! DSP co-processor, 32MIPs, 24-bit fixed point DSP
core
! Single cycle MAC; 24 x 24-bit multiply and 56-bit
accumulator
! 32-bit instruction word, dual 24-bit data memory
! 4Kword program memory, 2 x 8Kword data
memory
! Flexible interfaces to BlueCore3 subsystem
Baseband and Software
! External 8Mbit Flash for complete system solution
! Internal 32Kbyte RAM, allows full speed data
transfer, mixed voice and data, and full piconet
operation
! Logic for forward error correction, header error
control, access code correlation, CRC,
demodulation, encryption bit stream generation,
whitening and transmit pulse shaping
! Transcoders for A-law, µ-law and linear voice from
host and A-law,
µ-law and CVSD voice over air
Physical Interfaces
! Synchronous serial interface up to 4Mbaud for
system debugging
! UART interface with programmable baud rate up to
1.5Mbaud with an optional bypass mode
! Full speed USB v1.1 interface supports OHCI and
UHCI host interfaces
! Bi-directional serial programmable audio interface
supporting PCM, I
2S and SPDIF formats
! Optional I2C™ compatible interface
Stereo Audio CODEC
! 16-bit resolution, standard sample rates of 8kHz,
11.025kHz, 16kHz, 22.05kHz, 32kHz, 44.1kHz and
48kHz (DAC only)
! Dual ADC and DAC for stereo audio
! Integrated amplifiers for driving microphone and
speakers with minimum external components
! Compatible with Kalimba DSP
Bluetooth Stack
CSR’s Bluetooth Protocol Stack runs on the on-chip
MCU in a variety of configurations:
! Standard HCI (UART or USB)
! Fully embedded RFCOMM
! Customised builds with embedded application code
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