CSR8670
Qualcomm® BlueCore™
Audio Platform
CSR8670
Programmable Bluetooth
dual-mode flash audio
System on Chip (SoC)
Bluetooth® audio flash platform with
embedded 80Mhz 24-bit DSP & optional
support for Qualcomm® aptX™ technology
Solution Highlights
CSR8670 is a premium-tier flash product in
our CSR86xx Bluetooth audio SoC portfolio
designed to deliver high quality wireless
audio performance and support development
of highly differentiated premium wireless
audio products.
CSR8670 is part of the CSR86xx portfolio, a range of
silicon platforms for wireless audio applications which
integrate a dual-mode Bluetooth radio, a low power
DSP, an application processor, a battery charger,
memory and various audio and hardware interfaces
into a single-chip solution.
This programmable SoC offers the flexibility to
develop differentiated wireless audio products utilizing
our unique Qualcomm® cVc™ voice processing, aptX
audio coding and Qualcomm TrueWireless™ stereo
technologies.
There is comprehensive Audio Development
Kit (ADK) software for CSR8670 which includes
various Bluetooth applications, voice and music
technologies and tuning tools for reference headset
and speaker applications and supports developers
with programming the device and integrating custom
or third party software. Optional software features
are also available to enhance the standard Bluetooth
audio experience, making CSR8670 an ideal solution
for balancing performance and cost.
Qualcomm BlueCore, Qualcomm aptX, CSR8670, Qualcomm cVc and Qualcomm TrueWireless Stereo
are products of Qualcomm Technologies International, Ltd.
Integrated single-chip solution
for ultra-small designs
Application processor, Bluetooth and Bluetooth low
energy radios, DSP and memory integrated into a single
SoC helps reduce system complexity and eBOM while
supporting ultra-small form factor designs.
Comprehensive ADK software
support for easy application
development
The software development environment with integrated
Bluetooth and audio applications, reference designs and
tuning tools supports reduced development time.
High-performance audio with
aptX technology
aptX audio technology supports high-quality wireless audio,
bringing pro-audio quality to consumer electronic devices.
Unique audio features available
through eXtension Program
The CSR8670 audio platform is compatible with a large
range of third party audio technologies from our eXtension
Program members including music enhancement, voice
processing and voice recognition.
This material is subject to change without notice.
CSR8670_PB_0217A
Bluetooth Audio Applications
Speakerphones
Stereo Speakers
Stereo Headphones
Stereo Headsets
Wireless Earbuds
Features
CSR8670 Block Diagram
Bluetooth version 4.2 compliant
80MHz programmable Qualcomm®
Kalimba™ DSP with integrated multipoint
A2DP and HFP audio applications
£ aptX, aptX Low Latency, MP3, AAC and
SBC audio codecs
£ 2-mic cVc 8th Generation voice processing
technology with wideband speech
£ Audio tuning suite with audio
enhancements and two 5-band EQs
£ GAIA V2 and associated Android & iOS
example apps for enhanced connectivity
with mobile devices
£ Link Layer Topology support for enhanced
multi-device co-existence
£ Stereo ADC with 2 microphone inputs and
one line input; support for up to 6 digital
microphones; stereo DAC
£ Qualcomm TrueWireless stereo
£ Support for Apple MFi1 & Apple ANCS for
enhanced communication with iOS devices
£ Qualcomm® meloD™ stereo widening
technology
£ Compatible with third party solutions
available from selected CSR eXtension
Program members
CSR8670 Specifications
Soundbars
£ £ Product
Part Number
CSR8670C BGA
CSR8670C-IBBH-R
CSR8670 WLCSP
CSR8670C-ICXT-R
CSR8670C Dev Kit
DK-8670-10060-1A
CSR8670 Dev Board
DB-8670-10068-1A
CSR8670 WLCSP Dev Kit
DK‑8670‑10071‑2A
CSR8670 WLCSP Dev Board
DB‑8670‑10070‑2A
To learn more visit:
qualcomm.com or
developer.qualcomm.com
Bluetooth
MCU
Audio
Battery Support &
Power Management Audio Interfaces
Physical Interfaces
Memory
Packaging Integrated dual-mode radio and balun (50 Ω)
-90dBm receiver sensitivity; +10dBm transmitter
Bluetooth v4.2 firmware
Support for various profiles including: HFP 1.6, A2DP 1.3.1,
AVRCP 1.6, HOGP 1.0, FMP 1.0, PXP 1.0, BAS 1.0, TPS 1.1
80MHz programmable RISC processor
Programmable 24-bit fixed-point 80MHz Kalimba DSP
2x single-cycle MACs; 24x24-bit multiply & 56-bit accumulator
Li-Ion battery charger supporting up to 200mA
2x high-efficiency switch-mode regulators with
1.8V and 1.35V outputs from battery supply
Stereo 16-bit ADC; up to 48kHz sampling frequency
Stereo 16-bit DAC; up to 96kHz sampling frequency
Microphone inputs: up to 2x analog & 6x digital (MEMS)
2x PCM/I2S & 1x SPDIF with 24-bit support
Up to 29x PIOs, including 14x GPIOs, USB2.0, I2C, SPI, UART
3x LED controllers; support for up to 6x touch sensor inputs
Integrated 16Mb programmable flash memory with
support for up to 64Mb external SPI FLASH
56kB system MCU RAM
64k x 24-bit data & 12k x 32bits program memory for DSP
6.5 x 6.5 x 1mm, 0.5mm pitch 112-ball VFBGA or
4.73 x 4.84 x 0.6mm, 0.5mm pitch 79-ball WLCSP
1 Customer will need MFi license.
Qualcomm meloD and Qualcomm Kalimba are products of Qualcomm Technologies International, Ltd.
©2017 Qualcomm Technologies International, Ltd. All Rights Reserved. Qualcomm is a trademark of Qualcomm Incorporated, registered in
the United States and other countries. Qualcomm TrueWireless is a trademark of Qualcomm Incorporated. CSR, aptX, meloD, BlueCore, cVc
and Kalimba are trademarks of Qualcomm Technologies International, Ltd., registered in the United States and other countries. The Bluetooth®
word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Qualcomm Technologies
International, Ltd. is under license. Other products and brand names may be trademarks or registered trademarks of their respective owners.
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