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.
Key features
- Bluetooth 3.0 (Bluetooth 4.0 compatible)
- 16Mb embedded flash memory (64bit wide)
- Support for up to 64Mb external serial flash (optional)
- Dual-core architecture with Integrated applications processor and an ultra low-power DSP coprocessor
- RF Performance: Tx:+10dBm, Rx -90dBm
- Integrated high performance stereo codec
- Support for capacitive touch sensors
- Integrated Li-Ion Battery Charger
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
- Leading edge package technology reduces PCB area size, enabling smaller end product designs
Enchanced User Experience
- Superior audio performance using aptX® Hi-Fi quality stereo codec
- Ultra-low power DSP core delivers significant power consumption savings for DSP intensive algorithms such as noise 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
- Capacitive touch sensors enable tactile control on accessory devices
- Three RGB LED drivers enable product customisation
- Bluetooth low energy support for CSR's µEnergy solutions, enabling applications such as health monitoring, remote 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
- Reduced design cycle time using a wide range of third party software plug-ins for the on-chip DSP, accessible from CSR's eXtension Partner Program
- Faster time to market with a readily available suite of development tools, hardware and application software
Potential applications
- Home entertainment eco-system
- TVs
- Smart remote controllers
- Wired or wireless soundbars
- Wired or wireless speakers and headphones
- Bluetooth low energy connectivity to external 3D glasses
- Tablets / PCs / Mobile Connectivity
- Wired or wireless headphones for music / gaming / multimedia content
- Wired or wireless speakers
- Wired or wireless speaker phones
- Mono Headsets for voice
Product details
Audio
- High performance stereo ADC and DAC
- Support for 2 x analog microphone inputs
- Support for high quality stereo output
- Support for up to 6 digital microphone (MEMS) inputs
Power Management
- 2 x SMPS regulators
- 3.3V USB regulator
- Additional on-chip linear regulators for internal supplies
Battery Charger
- Li-Ion battery charger with Instant-ON support
- Support for nomimal and fast charge current rates
- Support for USB charging spec enumeration
Interfaces
- Host Interfaces : UART / USB2.0 / SPI
- Audio Interfaces : PCM / I2S / SPDIF
- 14 x general purpose IOs
- 2 x Analogue inputs/outputs (temperature sensor, charger control, etc)
- 6 x capacitive touch sensors
- Three fully configurable LED drivers
Package Options
- 6.5 x 6.5 x 1.0mm, 0.5mm pitch, 112-ball VFBGA
Subject to approval, a datasheet can be made available for this product via CSR Support.