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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)
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.
Watch the latest video demos:
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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