CSR8670™
DESCRIPTION
CSR8670™ is our next-generation audio system-on-chip(SoC) solution with wireless connectivity, embedded flash memory
and integrated capacitive touch sensors. CSR8670 will enable the creation of feature rich home entertainment and
wearable audio products with a highly compelling user experience and superior audio performance.
CSR8670 is software-portable from CSR’s popular BlueCore5-Multimedia™ platform, enabling easy migration of a broad
range of CSR eXtension partner solutions, thereby facilitating rapid time-to-market deployment of a broad portfolio of
consumer electronics products.
Watch the latest presentation and video demos:
Presenentation: Voice and Music
Demo: aptX® Voice & Music
Demo: aptX® and DDFA® for quality Bluetooth streaming audio system
Demo: Bluetooth® Onlive cloud-based gaming
Demo: CSR uEnergy™ Bluetooth® smart accessories for smartphones
KEY FEATURES
Bluetooth® 3.0 (Bluetooth 4.0 compatible)
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16Mb embedded flash memory (64bit wide)
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Support for up to 64Mb external serial flash (optional)
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Dual-core architecture with Integrated applications processor and an ultra low-power DSP coprocessor
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RF Performance: Tx:+10dBm, Rx -90dBm
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Integrated high performance stereo codec
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Support for capacitive touch sensors
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Integrated Li-Ion Battery Charger
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BENEFITS
CSR8670 is the first product in a range of next generation audio SOC solutions for wired or wireless audio and consumer
devices that enables the following features and applications:
Smaller, Lighter and Thinner Form Factor
Single chip solution which significantly reduces external component count and eBOM cost
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Leading edge package technology reduces PCB area size, enabling smaller end product designs
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Enchanced User Experience
Superior audio performance using aptX® Hi-Fi quality stereo codec
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Ultra-low power DSP core delivers significant power consumption savings for DSP intensive algorithms such as noise
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reduction, acoustic echo cancelation, speech recognition, text-to-speech and stereo processing enhancements
Extended battery life in all modes including standby, talk-time and music playback
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Capacitive touch sensors enable tactile control on accessory devices
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Three RGB LED drivers enable product customisation
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Bluetooth low energy support for CSR's µEnergy® solutions, enabling applications such as health monitoring, remote
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control functionality or proximity tagging using an audio accessory
Enchanced Development Experience
Dual-core architecture with embedded flash memory provides a very flexible solution for product differentiation
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Reduced design cycle time using a wide range of third party software plug-ins for the on-chip DSP, accessible from
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CSR's eXtension Partner Program
Faster time to market with a readily available suite of development tools, hardware and application software
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Potential applications
Home entertainment eco-system
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TVs
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Smart remote controllers
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Wired or wireless soundbars
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Wired or wireless speakers and headphones
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Bluetooth low energy connectivity to external 3D glasses
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Tablets / PCs / Mobile Connectivity
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Wired or wireless headphones for music / gaming / multimedia content
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Wired or wireless speakers
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Wired or wireless speaker phones
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Mono Headsets for voice
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PRODUCT DETAILS
Audio
High performance stereo ADC and DAC
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Support for 2 x analog microphone inputs
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Support for high quality stereo output
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Support for up to 6 digital microphone (MEMS) inputs
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Power Management
2 x SMPS regulators
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3.3V USB regulator
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Additional on-chip linear regulators for internal supplies
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Battery Charger
Li-Ion battery charger with Instant-ON support
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Support for nomimal and fast charge current rates
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Support for USB charging spec enumeration
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Interfaces
Host Interfaces : UART / USB2.0 / SPI
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Audio Interfaces : PCM / I2S / SPDIF
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14 x general purpose IOs
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2 x Analogue inputs/outputs (temperature sensor, charger control, etc)
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6 x capacitive touch sensors
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Three fully configurable LED drivers
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Package Options
6.5 x 6.5 x 1.0mm, 0.5mm pitch, 112-ball VFBGA
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