CSR

BlueCore5™ Multimedia

For Automotive, Headsets, Infotainment, PNDs, Speakers and Televisions

BlueCore5 Multimedia | CSR

Description

The BlueCore5™ Multimedia Bluetooth chip is designed to provide a graceful, simple solution to integrating wireless multimedia functionality into embedded devices. Versatile and programmable, BlueCore5-Multimedia comes complete with Kalimba DSP, a stereo CODEC and flash. BlueCore5-Multimedia makes it simpler to develop powerful, efficient multimedia products, freeing up time to develop differentiating features with its programmable architecture.

Key features

  • Can be used as part of a fully compliant Bluetooth v3.0 system
  • A flexible single-chip Bluetooth solution for Bluetooth audio solutions
  • Low-power 1.5V operation, 1.8V to 3.6V I/O
  • Supports mono and stereo applications
  • Supports DSP enhancements for music, voice, text-to-speech, speech recognition and CODECs 
  • Supports eXtension partner solutions
  • Support for IEEE 802.11 coexistence
  • Green (RoHS Compliant and no Antimony or Halogenated Flame Retardants)

Benefits

  • Embedded Kalimba DSP core is an open platform digital signal coprocessor allowing product enhancing features such as advanced audio decoding (MP3, AAC, AAC+), speech recognition, text-to-speech, echo cancellation and noise reduction
  • Wide range of third party software plug-ins are available through CSR's eXtension partner programme
  • Offers superior audio quality, power consumption and radio performance, making it ideal for high-quality mono and stereo Bluetooth headset designs
  • Industry-leading level of integration reduces component count and BOM cost, allowing customers to achieve attractive price/performance levels
  • Supports up to 32 Mbit of external Flash memory
  • Available in package variants embedding both 8 and 16 Mbit of Flash memory

Product details

Radio

  • Common TX/RX terminal simplifies external matching; eliminates external antenna switch
  • BIST minimises production test time
  • Integrated antenna matching and filtering (Plug-n-Go package devices only)
  • Bluetooth v3.0 specification compliant

Transmitter

  • 5 to 8dBm 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

Receiver

  • -90dBm receive sensitivity
  • 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 14.40, 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

Baseband and software

  • External or internal flash
  • Internal 48kbyte RAM, allows full speed data transfer, mixed voice/data and full piconet support
  • 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

  • SPI with clock speeds up to 64MHz in master mode, requires firmware support, and 32MHz in slave mode
  • I²C master compatible interface
  • UART interface with programmable data rate up to 3Mbits/s with an optional bypass mode
  • USB v2.0 interface
  • Bidirectional serial programmable audio interface supporting PCM, I²S and SPDIF formats
  • 2 LED drivers with faders

Kalimba DSP

  • Low power Kalimba DSP coprocessor, 64MIPS, 24-bit fixed point core
  • Single cycle MAC; 24 x 24-bit multiply and 56-bit accumulator
  • 32-bit instruction word, dual 24-bit data memory
  • 24kbyte (6kword) program RAM, 36Kbyte + 48kbyte (16kword + 12kword) data RAM
  • 64words x 32-bit program memory cache when executing from Flash or SDRAM

Stereo audio CODEC

  • 16-bit internal stereo CODEC
  • Dual ADC and DAC for stereo audio
  • Integrated amplifiers for driving 16Ω speakers; no need for external components
  • Support for single-ended speaker termination and line output
  • Integrated low-noise microphone bias
  • ADC sample rates are 8, 11.025, 16, 22.05, 32 and 44.1kHz
  • DAC sample rates are 8, 11.025, 12, 16, 22.05, 24, 32, 44.1 and 48kHz

Auxillary features

  • User space on processor for customer applications
  • Crystal oscillator with built-in digital trimming
  • Power management includes digital shutdown and wake up commands with an integrated low power oscillator for ultra-low power Park/Sniff/Hold mode
  • Clock request output to control external clock
  • On-chip regulators: 1.5V output from 1.8V to 2.7V input and 1.8V output from 2.7V to 4.5V input
  • On-chip high-efficiency switched-mode regulator; 1.8V output from 2.7V to 4.4V input
  • Power-on-reset cell detects low supply voltage
  • 10-bit ADC and 8-bit DAC available to applications
  • On-chip charger for lithium ion/polymer batteries

Bluetooth stack

CSR's Bluetooth Protocol Stack runs on the on-chip MCU in a variety of configurations:

  • Standard HCI over UART or USB
  • Complete Bluetooth stack including application layers and profiles for multitude of end applications

Package options

  • TFBGA 169-ball, 8 x 8 x 1.2mm, 0.5mm pitch
  • LFBGA 120-ball, 7 x 7 x 1.3mm, 0.5mm pitch
  • LFBGA 105-ball, 10 x 10 x 1.6mm, 0.8mm pitch
 
  • © 2012 CSR plc. All rights reserved | Bluetooth® is a trademark owned by the Bluetooth SIG., Inc.
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  • CSR plc is a company registered in England and Wales. Registered office: Churchill House, Cambridge Business Park, Cowley Road, Cambridge, CB4 0WZ
  • Registered Number: 04187346 | VAT number (GB787433096)