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PDF BC6145 Data sheet ( Hoja de datos )
| Número de pieza | BC6145 | |
| Descripción | Fully Qualified Single-chip Bluetooth v3.0 System | |
| Fabricantes | CSR | |
| Logotipo |  |
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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.
_äìÉ`çêÉ∆=_`SNQR»=nck
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
Page 1 of 69
1 page  
Status Information
Status Information
The status of this Data Sheet is Production Information.
CSR Product Data Sheets progress according to the following format:
Advance Information
Information for designers concerning CSR product in development. All values specified are the target values of the
design. Minimum and maximum values specified are only given as guidance to the final specification limits and must
not be considered as the final values.
All detailed specifications including pinouts and electrical specifications may be changed by CSR without notice.
Pre-production Information
Pinout and mechanical dimension specifications finalised. All values specified are the target values of the design.
Minimum and maximum values specified are only given as guidance to the final specification limits and must not be
considered as the final values.
All electrical specifications may be changed by CSR without notice.
Production Information
Final Data Sheet including the guaranteed minimum and maximum limits for the electrical specifications.
Production Data Sheets supersede all previous document versions.
Life Support Policy and Use in Safety-critical Applications
CSR's products are not authorised for use in life-support or safety-critical applications. Use in such applications is
done at the sole discretion of the customer. CSR will not warrant the use of its devices in such applications.
CSR Green Semiconductor Products and RoHS Compliance
BC6145 QFN devices meet the requirements of Directive 2002/95/EC of the European Parliament and of the Council
on the Restriction of Hazardous Substance (RoHS).
BC6145 QFN devices are also free from halogenated or antimony trioxide-based flame retardants and other
hazardous chemicals. For more information, see CSR's Environmental Compliance Statement for CSR Green
Semiconductor Products.
Trademarks, Patents and Licences
Unless otherwise stated, words and logos marked with ™ or ® are trademarks registered or owned by CSR plc or its
affiliates. Bluetooth ® and the Bluetooth ® logos are trademarks owned by Bluetooth ® SIG, Inc. and licensed to
CSR. Other products, services and names used in this document may have been trademarked by their respective
owners.
The publication of this information does not imply that any license is granted under any patent or other rights owned
by CSR plc and/or its affiliates.
CSR reserves the right to make technical changes to its products as part of its development programme.
While every care has been taken to ensure the accuracy of the contents of this document, CSR cannot accept
responsibility for any errors.
Refer to www.csrsupport.com for compliance and conformance to standards information.
No statements or representations in this document are to be construed as advertising, marketing, or offering for sale
in the United States imported covered products subject to the Cease and Desist Order issued by the U.S.
International Trade Commission in its Investigation No. 337-TA-602. Such products include SiRFstarIII™ chips that
operate with SiRF software that supports SiRFInstantFix™, and/or SiRFLoc® servers, or contains SyncFreeNav
functionality.
CS-204118-DSP2
Production Information
© Cambridge Silicon Radio Limited 2010
This Material is Subject to CSR's Non-disclosure Agreement
Page 5 of 69
5 Page 
Package Information
1.2 Device Terminal Functions
Bluetooth Radio
Lead Pad Type
RF_N
8 RF
RF_P
7 RF
Supply Domain
VDD_RADIO
VDD_RADIO
Description
Transmitter output/switched
receiver
Complement of RF_N
Synthesiser and
Oscillator
XTAL_IN
XTAL_OUT
LO_REF
Lead Pad Type
13 Analogue
14 Analogue
15 Analogue
Supply Domain
VDD_ANA
VDD_ANA
VDD_ANA
Description
For crystal or external clock input
Drive for crystal
Reference voltage to decouple
the synthesiser
SPI Interface
SPI_MOSI
SPI_CS#
SPI_CLK
SPI_MISO
SPI_DEBUG_EN
Lead Pad Type
Supply Domain
38
Input, with weak internal
pull-down
VDD_PADS[1]
40
Bidirectional with weak
internal pull-down
VDD_PADS[1]
39
Bidirectional with weak
internal pull-down
VDD_PADS[1]
41
Bidirectional with weak
internal pull-down
VDD_PADS[1]
42
Input with strong internal
pull-down
VDD_PADS[1]
Description
SPI data input
Chip select for SPI, active low
SPI clock
SPI data output
Debug interface input, not
required for production / debug
SPI access on BC6145 QFN
UART Interface
UART_TX /
PIO[23]
UART_RX /
PIO[20]
Lead Pad Type
Supply Domain
19
Bidirectional with weak
internal pull-up
VDD_PADS[0]
18
Bidirectional with weak
internal pull-down
VDD_PADS[0]
Description
UART data output, active high.
PIO[23] is data output for SPI
flash interface (BC6145 QFN is
master).
UART data input, active high.
PIO[20] is clock for SPI flash
interface (BC6145 QFN is
master).
CS-204118-DSP2
Production Information
© Cambridge Silicon Radio Limited 2010
This Material is Subject to CSR's Non-disclosure Agreement
Page 11 of 69
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet BC6145.PDF ] | |
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