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

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

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

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

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

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

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

packagingdesign ECE477 Fall 2004 Group 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

schematic ECE477 Fall 2004 Group 9

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