Product Categories
Key Features
- Bluetooth® 4.0
- Support for HFP1.6 (HD Voice ready), A2DP1.2 and AVRCP1.4
- RF Performance: Tx:+9dBm, Rx -91dBm
- Integrated High quality Stereo CODEC
- Wired Audio & Full USB Support
- DSP music enhancements including Multi-Band EQ and Volume Boost functionality
- Integrated Li-Ion Battery Charger
- Three hardware LED controllers
- Smart apps connectivity
Description
CSR8645™ is a our next generation Stereo ROM solution with aptX® CODEC technology.
CSR8645™ sets a new standard for wired or wireless stereo audio quality, which customers can use to more easily, quickly and cost effectively bring to market a range of highly differentiated home entertainment and wearable audio products.
Benefits
Smaller, lighter and thinner form factor
- Single chip solution for wired or wireless stereo audio applications which significantly reduces external component count and eBOM cost
Enchanced user experience
- Superior audio performance using aptX Hi-Fi quality stereo codec
- Can listen and charge – enjoy both a wireless and a wired experience – charge AND do
- Fully configurable & tunable EQ enabling multiple presets for Rock, Jazz, Classical, Dance etc – Listen to your music how you want
- HD voice ready and bi-directional noise reduction - Conversation is clearer and listening fatigue is reduced
- Extended battery life in all modes including standby, talk-time and music playback
- Three RGB LED drivers enable product customisation
- Smart Apps connectivity – Create product differentiation and richer user experience
Enchanced development experience
- Faster time to market with a readily available suite of development tools, and hardware.
Product Details
Audio
- High performance stereo ADC and DAC
- Support for 2 x analog microphone inputs
- Support for high quality stereo output
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 nominal and fast charge current rates
- Support for USB charging spec enumeration
Interfaces
- UART interface for debug
- USB2.0 (full-speed) interface for audio and charger enumeration
- Up to 22 x general purpose IOs
- I2C interface for EEPROM
- 1-bit SPI flash memory interface
- PCM and I2S interfaces
- Three fully configurable LED drivers
Package Options
- 5.5 x 5.5 x 1.0mm, 0.5mm pitch, 68-ball VFBGA
