1. March 2008 ALQ155 AAG Clinic 2007-2008 ALQ155 AAG Clinic 2008 1 ALQ155 AAG Conversion Clinic Team Members David Gedge Nate Decker William Sackett Spencer LittleAdvisors Dr. Priyank Kalla Thomas Dixon Special Thanks to Craig Gordon, Tim Price, and Ryan Yoshida

2. March 2008 ALQ155 AAG Clinic 2007-2008 Firmwareand Hardware Considerations William Sackett

3. March 2008 ALQ155 AAG Clinic 2007-2008 EZ-USB Firmware LRU PAM PIM Spartan-3 FPGA FX2LP USB Interface Level Shifters USB Connector LRU / PAM Connector PIM EEPROM Power Supplies I 2 C Bus EZ-USB

4. March 2008 ALQ155 AAG Clinic 2007-2008 USB Microcontroller Cypress EZ-USB FX2LP CY7C68013A 128 Pin Package 480 Mbps 24 MHz Cypress USB chip

5. March 2008 ALQ155 AAG Clinic 2007-2008 EZ-USB Firmware CAPRE HostLaptop Computer Source Code FirmwareCypress USB chip VHDL BitmapXilinx FPGA Dummy FilesLRU or Simulator

6. March 2008 ALQ155 AAG Clinic 2007-2008 Previous Clinics’ Work Previous Clinics have: Built a prototype PIM Written test code Minor changes: Enable lines for new peripherals. Pin wiring.

7. March 2008 ALQ155 AAG Clinic 2007-2008 Loading Firmware EEPROM chip not yet ready. Missing EEPROM chip requires a special step.

8. March 2008 ALQ155 AAG Clinic 2007-2008 Loading Firmware Cypress - EEPROM Missing

9. March 2008 ALQ155 AAG Clinic 2007-2008 Loading Firmware CAPRE PIM

10. March 2008 ALQ155 AAG Clinic 2007-2008 Power Circuit A Power IC chip provides a 3.3V source Power IC chip

11. March 2008 ALQ155 AAG Clinic 2007-2008 Power Circuit Clean 3.4V DC source

12. March 2008 ALQ155 AAG Clinic 2007-2008 78-Pin Connector PIM1.1 used a 78-Pin connector as a standard to connect to the Personality Adapter Module (PAM). PIM2.0 uses this same 78-Pin connector.

13. March 2008 ALQ155 AAG Clinic 2007-2008 78-Pin Connector PIM1.1 used a 78-Pin connector as a standard to connect to the Personality Adapter Module (PAM). PIM2.0 uses this same 78-Pin connector. Unfortunately, power issues were noticed when connected directly. X

14. March 2008 ALQ155 AAG Clinic 2007-2008 Power Circuit 1.75V with 1V noise

15. March 2008 ALQ155 AAG Clinic 2007-2008 78-Pin Connector A routing error required 77 pins to be moved. A special adaptor jumper was built to temporarily correct this problem: “The Purple Brain”

16. March 2008 ALQ155 AAG Clinic 2007-2008 78-Pin Connector Using the adaptor the power circuit works correctly

17. March 2008 ALQ155 AAG Clinic 2007-2008 PMOS Power Switches 8 different PMOS transistors (active low) serve as switches to different peripherals. From Power IC To Peripheral

18. March 2008 ALQ155 AAG Clinic 2007-2008 PMOS Power Switches Some peripherals that must be left off: 1553 controller 1553 controller RS232 controllers RS232 controllers RAM chip RAM chip

19. March 2008 ALQ155 AAG Clinic 2007-2008 Current spike Activating multiple switches at once causes a current spike. 100uF Capacitor 1.8V drop

20. March 2008 ALQ155 AAG Clinic 2007-2008 Power Spike Staggering PMOS start times in the VHDL code helps reduce these power spikes.

21. March 2008 ALQ155 AAG Clinic 2007-2008 CAPRE HostLaptop Computer Source Code FirmwareCypress USB chip VHDL BitmapXilinx FPGA Dummy FilesLRU or Simulator Data Flow Recap...

22. March 2008 ALQ155 AAG Clinic 2007-2008 Questions?