The PurePath™ Wireless platform is a cost-effective and low-power solution optimized for wireless transmission of high-quality digital audio.
The CC85xx includes a robust built-in wireless audio transmission protocol and can control selected external audio devices. Utilizing numerous coexistence mechanisms allows the CC85xx to avoid interfering with, or being interfered by other 2.4 GHz radio systems.
FEATURES
Built-in audio protocol
\- CD-quality uncompressed audio
\- Excellent robustness and co-existence through multiple techniques
\- Adaptive Frequency Hopping
\- Forward Error Correction
\- Buffering and Retransmission
\- Error Concealment
\- Optional high quality audio compression
\- No software development needed when used in autonomous mode
External system
\- Can be used autonomously, or can be controlled by an external host MCU for greatest flexibility
\- Seamless connection and control of external audio codecs, DACs/ADCs and digital audio amplifiers using I2S and I2C
\- HID functions like power control, pairing, volume control, audio channel selection etc. can be mapped to I/Os
\- RoHS compliant 6mm x 6mm QFN-40 package
RF section
\- 5 or 2 Mbps over-the-air data rate
\- Bandwidth-efficient modulation format
\- Excellent link budget with programmable output power up to +3.5 dBm and -83/-86 dBm sensitivity
\- Seamless support for CC2590 range extender (+11dBm output power, -87dBm sensitivity)
\- Suited for systems targeting compliance with worldwide radio frequency regulations: ETSI EN 300 328 and EN 300 440 class 2 (Europe), FCC CFR47 Part 15 (US) and ARIB STD-T66 (Japan)
Digital audio support
\- Digital I2S audio interface supports 1 or 2 audio channels for the CC8520 and 1 to 4 audio channels for the CC8530 at sample rates of 32, 40.275, 44.1 and 48 kHz, and supports 16 and 24 bit word-widths
\- USB audio support for 32, 44.1 and 48 kHz, and supports 16 and 24 bit word-widths
\- Audio latency down to 10.7 ms
\- Data side-channel allows data to be sent alongside the audio between external host processors USB
\- Full-speed USB Audio device
\- USB Basic Audio Device Class: HT1, HS1 and MT topologies (headphone, headset and microphone)
\- USB Audio Device Class.
\- Basic USB HID device class support for remote control, mouse and keyboard functionality
\- Autonomous operation only.
Development tools
\- PC-based PurePath™ Wireless Configurator for CC85xx configuration
