1. wirelessdigitalaudioreceiver
c|r|u
wirelessdigitalaudioreceiver
pranavkabra
brandonfane
mohnishrathi
sumitmehra
ECE477 Fall 2004 Group 9

2. Overview A wireless digital mp3 receiver
Stand-alone device which will receive mp3 songs and play them on any stereo system.
The processor hosts networked web-page to upload a file.
Multiple users can upload files within the same network.
Songs are received wirelessly and stored on USB flash drive on device.
Songs retrieved from the USB drive and played on any stereo system via the mp3 decoder.
ECE477 Fall 2004 Group 9

3. blockdiagram
List location or contact for specification (or other related documents) here
ECE477 Fall 2004 Group 9

4. componentselectionrationale
Rabbit 3000 Microcontroller
Other choices : Motorola 68HC12 and
Atmel AVR ATmega64.
Cons:
- Motorola: Less parallel and serial ports.
Less flash memory.
TCP/IP libraries not readily available.
- Atmel: Less serial ports.
ECE477 Fall 2004 Group 9

5. componentselectionrationale
VLSI VS1001k MP3 Decoder
Other choice : STA013 MP3 Decoder Chip
Cons:
Separate MP3 codec, DAC and amplifier chip.
More expensive and complicated to implement.
ECE477 Fall 2004 Group 9

6. componentselectionrationale
Cypress SL811HS USB host controller
Other choice : Phillips ISP1161 Host controller
Cons:
Requires 16 bit parallel interface.
ECE477 Fall 2004 Group 9

7. packagingdesign Similar Products Netgear MP101 Motorola Simplefi
ECE477 Fall 2004 Group 9

8. packagingdesign
ECE477 Fall 2004 Group 9

9. packagingdesign Features Sleek, rounded design Status LEDs
Packaging Weight and Cost Estimate
Product weight ~ 2lbs
Packaging weight ~ 0.67lbs
Estimated packaging cost ~ $23
ECE477 Fall 2004 Group 9

10. schematic
ECE477 Fall 2004 Group 9

11. currentprogress Fully functional LCD interface with modularity
Working Keypad
Wireless file transfer system
ECE477 Fall 2004 Group 9