Features
◆Bluetooth® v4.1 specification fully qualified software, compatible with common Bluetooth and Bluetooth BLE.
◆Radio includes integrated balun
◆80MHz RISC MCU and 80MIPS Kalimba DSP
◆16Mb internal flash memory (64 bit wide, 45ns); optional support for 64Mb of external SPI flash
◆Stereo codec with 2 channels of ADC and up to 6 microphone inputs (includes bias generators and digital microphone support)
◆Support for CSR's latest CVC technology for narrow band and wideband voice connections including wind noise reduction
◆Audio interfaces: I²S, PCM and SPDIF (OTA)
◆ Serial interfaces: UART, USB 2.0 full speed, I²C
◆ Green (RoHS compliant and no antimony or halogenated flame retardants)
◆ Improved Data/ Audio Transfer, enabling the Internet of Things
Specifications:
◆Dual mode Bluetooth low energy radio
◆Support for Bluetooth basic rate / EDR and low energy connections
◆Bluetooth low energy connections at the same time as basic rate A2DP
◆Bluetooth Radio—No external trimming is required in production
◆Bluetooth Transmitter—Class 1, Class 2 and Class 3 support without the need for an external power amplifier or TX/RX switch
◆Bluetooth Receiver—Integrated channel filters
◆Kalimba DSP—Single cycle MAC, 24 x 24 bit multiply and 56 bit accumulate with improved architecture and instructions for better performance
◆Audio Interfaces.
Audio codec with 2 high quality dedicated ADCs
2 microphone bias generators and up to 2 analogue microphone inputs
◆Physical Interfaces
UART interface
USB 2.0 interface (full‑speed)
Master and slave I²C interface
Up to 26 PIOs, i.e. 10 general purpose PIOs and unused digital interfaces are available as PIOs SPI debug and programming interface with read access disable locking
PCM, I²S and SPDIF interfaces
Dual/quad external serial flash memory interface
1 LED drivers with PWM flasher on sleep clock
◆Battery Charger
Applications:
◆Home Entertainment Ecosystem
◆TVs
Smart remote controllers
◆Wired or wireless sound bars
◆Wired or wireless speakers and headphones
◆Tablets/PCs/Mobile Connectivity
◆Wearable audio (on the go)
◆Wearable audio with sensors (health and well being applications)
◆Wired or wireless stereo headphones for music/ gaming/multimedia content
◆Wired or wireless speakers
◆Wired or wireless speakerphones
◆Mono headsets for voice
◆The audio codec supports 2 ADC channels, up to 6 microphone inputs, stereo output and a variety of audio standards.
