CSR8670
Programmable Bluetooth
dual-mode flash audio
System on Chip (SoC)
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 oers the exibility to
develop dierentiated wireless audio products utilizing
our unique Qualcomm® cVc™ voice processing, aptX
audio coding and Qualcomm TrueWireless™ stereo
technologies.
The Audio Development Kit (ADK) software for
CSR8670 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.
Qualcomm® BlueCore™
Audio Platform
Solution Highlights
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.
Bluetooth® audio flash platform with
embedded 80Mhz 24-bit DSP & optional
support for Qualcomm® aptX™ technology
This material is subject to change without notice.
87-CE851-1 Rev A
©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.
0217A
Features
£
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
To learn more visit:
qualcomm.com or
developer.qualcomm.com
CSR8670 Block Diagram
CSR8670 Specifications
Bluetooth Integrated dual-mode radio and balun (50 Ω)
-90dBm receiver sensitivity; +10dBm transmitter
Bluetooth v4.2 rmware
Support for various proles 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
MCU 80MHz programmable RISC processor
Audio Programmable 24-bit xed-point 80MHz Kalimba DSP
2x single-cycle MACs; 24x24-bit multiply & 56-bit accumulator
Battery Support & Li-Ion battery charger supporting up to 200mA
Power Management 2x high-eiciency switch-mode regulators with
1.8V and 1.35V outputs from battery supply
Audio Interfaces 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)
Physical Interfaces 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
Memory Integrated 16Mb programmable ash 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
Packaging 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
Bluetooth Audio Applications
Stereo SpeakersSpeakerphones Stereo Headphones Stereo Headsets Soundbars
Wireless Earbuds
1 Customer will need MFi license.
Qualcomm meloD and Qualcomm Kalimba are products of Qualcomm Technologies International, Ltd.
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
