1. ECE 477 Design Review Team 1  Spring 2009 Paste a photo of team members here, annotated with names of team members.

2. Outline Project overviewProject overview Project-specific success criteriaProject-specific success criteria Block diagramBlock diagram Component selection rationaleComponent selection rationale Packaging designPackaging design Schematic and theory of operationSchematic and theory of operation PCB layoutPCB layout Software design/development statusSoftware design/development status Project completion timelineProject completion timeline Questions / discussionQuestions / discussion

3. Project Overview The Coffee Shop JukeboxThe Coffee Shop Jukebox –Music player which extends the classical notion of a jukebox to fit the modern environment of a café. –Provides both a web page and a touch screen interface. –Provide an acceptable quality audio output –Retrieve music from a removable USB flash drive. –Take input from a touch screen. –Attach to a TCP/IP enabled network.

4. Project-Specific Success Criteria 1. Ability to decode MP3 and send data to sound system1. Ability to decode MP3 and send data to sound system 2. Ability to be remotely controlled via website2. Ability to be remotely controlled via website 3. Ability to access user provided USB storage3. Ability to access user provided USB storage 4. Ability to receive input from user and display data on LCD4. Ability to receive input from user and display data on LCD 5. Ability to create/manage priority queue5. Ability to create/manage priority queue

5. Block Diagram

6. Component Selection Rationale PartPart NumberManufacturerAreaPackageCostPic k USB HostMAX3421EMaxim5 mm x 5 mm32 -TQFP11.10 Sampled x 32 -TQFN10.94 Bad Package MP3 DecoderSTA013STMicroelectronics7.5 mm width28-SOIC27.42 Found for 6 x 64-LFBGA10.71 Only in bulk 44-TQFP10.88 Only in bulk DACPCM1773Texas Instruments6.8 mm x 5.4 mm16-TSSOP2.81 Sampled x 20-VQFN3.15 Bad Package MicroPIC24HJ256GP206Microchip10 x 10 x 1 mm64-TQFP6.84 Sampled x 12 x 12 x 1 mm100-TQFPDon’t need pins Ethernet ControllerCP2200Silicon Laboratories Inc9 x 9 mm48-TQFP8.44x 28-QFNBad Package Touch ScreenuLCD-32032-P1T4D Systems55.1 x 77.0 x 14.0mm 234.95 Donated x TOTAL291.56

7. Packaging Design Front View Side View Back View INPUT INPUT ◦ USB ◦ AC Adapter ◦ RJ-45 OUTPUT OUTPUT ◦ RCA(left) ◦ RCA(right) ◦ TRS(audio jack) PACKAGE PACKAGE ◦ LCD Screen ◦ Plastic Box ◦ Wall Mount ◦ PCB Mount

8. Schematic/Theory of Operation

13. PCB Layout - Overall

14. Ethernet USB Power MP3 Microcontroller

15. PCB Layout – USB USB

16. PCB Layout – Power Power

17. PCB Layout – MP3 MP3

18. PCB Layout - Ethernet Ethernet

19. PCB Layout - Microcontroller Microcontroller

20. Software Design/Development Status Laura:Laura: –USB MattMatt –Ethernet CoreyCorey –Queue –Interrupts –Dev board JasonJason –LCD

21. Project Completion Timeline Week 8Week 8 Design ReviewDesign Review Finish PCB layoutFinish PCB layout Week 9Week 9 PCB duePCB due Preliminary codePreliminary code Final software layoutFinal software layout Week 10Week 10 Spring BreakSpring Break Individual software developmentIndividual software development Week 11Week 11 Software Design dueSoftware Design due Finish codeFinish code Begin debuggingBegin debugging Week 12Week 12 Patent Homework duePatent Homework due DebugDebug Week 13Week 13 Reliability/Safety Homework dueReliability/Safety Homework due DebugDebug Week 14Week 14 Ethical Homework dueEthical Homework due DebugDebug Week 15Week 15 User Manual dueUser Manual due Wrap upWrap up Week 16Week 16 Final detailsFinal details

22. Questions / Discussion