Texas Instruments PurePath wireless audio is a crystal clear, flexible, low-cost wireless audio solution. Anaren has developed the easiest, fastest way to bring your wireless product to market using TI's PurePath. Check out this guide for more information.

1. Introduction to A8520E24Axx PurePath™
Uncompressed Wireless Audio module
Presented to: Web Audience
By: Mark Bowyer
Date: August 2011

2. What is TI’s
PurePath™
wireless audio?

3. High-quality, wireless audio from TI
• Crystal-clear sound
– No unwanted noise or drop-outs
– Lower latency than BT and WiFi
– Stereo audio up to 48 kHz, 16 bits
– Full CD quality sound
– Robust RF link – can co-exist with
Bluetooth, WiFi, other 2.4GHz devices
• Fast time-to-market
– No SW development required – audio
protocol built in
– Applications designs provided
– Easy-to-use designers’ tool
• Flexible, low cost solution
– Seamless connection and control of selected TI audio codecs,
DACs/ADCs and digital audio amplifiers using I2S and I2C
– Data channel (for example, remote control)
– A platform that enables multiple applications

4. PurePath FW Releases
• 1.0 – (June 2010)
– Audio I/O – I2S
– 1 Master
– 1 Slave
– Omni directional from master to slave
• 1.1 – (June 2011)
– Audio I/O – I2S
– 1 Master
– 2 Slave
– Omni directional from master to slave’s
• 1.2 – (August 2011)
– Audio I/O – I2S
– 1 Master
– 2 Slave
– Bi-directional from master to slaves and slaves to master

5. Anaren tools: A8520E24A91-EM2

6. TI support tools: CC85xxDK
• 2 x Purepath Wireless AudioEB
• 1x CC Debugger
• 2 x CC85xxEM
• 2 x CC85xx+CC2590EM
• 2 x 2.4 GHz Antennas
• Cables
• Documentation
• Lets you evaluate CC8520 for wireless audio applications; audio
interfaces include:
• S/PDIF optical + coax input/output
• line input/output, headphone output
• microphone input
• A TLV320AIC3101 audio codec is mounted on the Audio EB board --
but also has connectors to plug into most TI Codecs
• Works with PurePath Wireless Configurator PC
tool (next screen)

7. TI support tools: PurePath™
Wireless Configurator
• PC tool to configure the CC8520
• After a series of options are configured, generates a HEX file
to be downloaded to CC8520 flash
• Currently a Beta:
- check for updates at ti.com/cc8520!
- final release will be June 2011 and to include support for
more audio CODECs & features needed for production test
- TI does not recommend going into mass production with
firmware images generated by PPWC Beta

8. OK, so what is
the A8520E24R91
AIR module
with PurePath™
wireless audio?

9. What is (AIR)?
“Easiest, fastest, most-elegant
way to make your product
‘wireless’”
• Anaren
• Integrated
• Radios

10. AIR A8520Exx overview
“Under $15 in 10,000 pcs
quantities, with range extender”
• Features CC8520 SOC and CC2591 Range Extender
• FCC & IC certified, shielded package
• Operates at 2.4GHz
• Integral antenna
• Low-power RF
• Tiny 11 x 19 x 2.5mm footprint & low-profile
• Surface-mount / tape & reel radio module
• Virtually no RF engineering experience required
• Low power consumption
• 87dBm sensitivity, 16dBm output power
• 150m line-of-site range; range through
multiple walls (typ. 30m in-door)

11. Applications include…
Wireless earphones
Wireless microphones
& instrument hook-ups(?) Among
countless
others
Wireless speakers
Wireless headsets

12. Documentation & development tools
• Product brief
• EM boards fully compatible with TI’s CC85xxDK (previously
discussed, slide #6)
• User Guide
• AIR-proprietary USB & range-testing dashboard coming soon!

13. Choice of packaging
Tape & reel Carrier tray

14. Choice of distribution
Global
Global
US only

15. Speaking of reach, more about us
• Founded in 1967
• Provider of integrated microwave
technology to wireless,
space & defense
• $168M annual
net sales
• 60% S&D -- 40% Wireless
• Approx 1100 employees
• 5 global mfg locations
• 5 global sales offices
R&D/Manufacturing Regional Sales Offices Distribution
> Anaren, Inc. (HQ) – Syracuse, NY > East-coast – E. Syracuse, NY > Avnet – Phoenix, AZ
> Anaren Ceramics, Inc. – Salem, NH > West-coast – Sacramento, CA 268 locations, 70 countries
> Anaren Communications – Suzhou, China > EU – Hampshire, England > Arrow Electronics
> MSK – Syracuse, NY > Asia – Suzhou & Shenzhen, China 310 locations, 51 countries
> Unicircuit – Littleton, CO > Mouser Inc
Global web-based solution

16. Thank you for your time!

17. Thank you for your time!
Click the link on the Brainshark
dashboard to visit the Anaren AIR
homepage!