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CSR - Fully Qualified Single-chip Bluetooth v3.0 System

Numéro de référence BC6145
Description Fully Qualified Single-chip Bluetooth v3.0 System
Fabricant CSR 
Logo CSR 





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BC6145 fiche technique
Features
6th generation 1-mic CVC audio enhancements
A2DP v1.2 for high-quality mono music streaming
Supports mSBC wideband speech codec
Programmable audio prompts: available from
either EEPROM or a low-cost SPI flash
Bidirectional noise reduction: Hear and Be Heard
Long-tail echo cancellation for low-cost
speakerphones and car-kits
Low power consumption: over 11 hours talk time
from a 120mAhr battery
Advanced multipoint support: enables a headset
(HFP) connection to 2 phones for voice
Multipoint A2DP streaming: enables a mono
headset (A2DP) connection to 2 A2DP source
devices for music playback
Secure simple pairing, CSR's proximity pairing
and CSR's proximity connection
64MIPS Kalimba DSP coprocessor
HFP v1.5 and HSP v1.2.
Integrated linear and switch-mode regulators
150mA lithium battery charger, with fast charge
and external boost charge for a total 240mA
High-quality mono codec with 95dB SNR DAC
48-lead 7 x 7 x 0.9mm, 0.5mm pitch QFN, pin
compatible with BC6140™ QFN and
BC6130™ QFN
Green (RoHS compliant and no antimony or
halogenated flame retardants)
General Description
BlueCore® BC6145™ QFN is a low-cost fully-featured
ROM IC solution for Bluetooth mono headsets with
extremely low power consumption. The BC6145 QFN
ensures increased speech clarity and improves
intelligibility through spectral enhancement, with the
bidirectional noise reduction Hear and Be Heard
feature.
BC6145 QFN reduces the number of external
components required, minimising production costs. It
includes a Bluetooth radio, baseband, Kalimba DSP,
DAC/ADC, switch-mode power supply and battery
charger in a QFN package for low-cost designs.
The Kalimba DSP coprocessor supports enhanced
audio applications. A2DP streaming enables music
playback on a mono headset.
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1-mic CVC Mono Headset Solution
Advanced Echo and Noise Cancellation
Fully Qualified Single-chip
Bluetooth® v3.0 System
Production Information
BC6145A04
Issue 2
Applications
BC6145 QFN DSP mono headset solution
Low-cost speakerphones and car-kits
BC6145 QFN includes CVC single-microphone echo
and noise reduction, which reduces headset echo
enabling the headset-user to be heard more clearly. A
low-power wind noise reduction feature improves
intelligibility in windy environments.
BC6145 QFN supports secure simple pairing which
simplifies the pairing process and makes it easier to
use a Bluetooth headset.
The device includes auto-calibration and BIST
routines to simplify development, type approval and
production test.
See CSR Glossary at www.csrsupport.com.
XTAL
RF IN
RF OUT
Speaker
1
Microphone
1
2.4GHz
Radio
ROM
MCU
Kalimba
DSP
RAM
I2C EEPROM
UART
I/O PIO
SPI Flash
Battery Charger
CS-204118-DSP2
Production Information
© Cambridge Silicon Radio Limited 2010
This Material is Subject to CSR's Non-disclosure Agreement
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