CDB5460AU Cirrus Logic

CDB5460AU CDB5460AU Evaluation Board and Software Features General Description The CDB5460AU is an inexpensive tool designed to evaluate Voltage and Current Interface the functionality and performance of the CS5460A. The evalu- ation board includes an LT1019 voltage reference, a USB Communication with PC C8051F320 microcontroller with a USB interface, and firm- ware. The microcontroller controls the serial communication On-board C8051F320 Microcontroller between the evaluation board and the PC via the firmware, en- abling quick and easy access to all of the CS5460A's registers On-board Voltage Reference and functions. LabWindows /CVI GUI Software The CDB5460AU includes software for data capture, time do- Register Setup & Chip Control main analysis, histogram analysis, and frequency domain analysis. FFT Analysis Schematics in PADS PowerLogic format are available for Time Domain Analysis download at www.cirrus.com/IndustrialSoftware. Noise Histogram Analysis Auto-boo Demo with Serial EEPROM ORDERING INFORMATION CDB5460AU Evaluation Board USB VD+_EXT Vu+_EXT +5V GND +2.5V reference SERIAL EERPOM REF IN OUT CS VREF C8051F320 SDI VIN+ SDO SCLK INT CS5460A VIN- RESET E1 EOUT Reset IIN+ E2 Circuirty EDIR RESET BUTTON IIN- MODE MODE 4.096MHz Crystal Copyright Cirrus Logic, Inc. 2009 JAN 09 www.cirrus.com (All Rights Reserved) DS487DBU1CDB5460AU TABLE OF CONTENTS 1. HARDWARE ............................................................................................................................. 3 1.1 Introduction ........................................................................................................................ 3 1.2 Evaluation Board Overview ................................................................................................ 3 1.3 Analog Section ................................................................................................................... 4 1.4 Digital Section .................................................................................................................... 5 1.5 Power Supply Section ........................................................................................................ 5 1.6 Auto-boot Mode ................................................................................................................. 6 2. SOFTWARE .............................................................................................................................. 8 2.1 Installation .......................................................................................................................... 8 2.2 Using the Software ............................................................................................................. 8 2.3 Start-up Window ................................................................................................................ 8 2.4 Setup Window .................................................................................................................. 12 2.5 Calibration Windows ........................................................................................................14 2.6 Conversion Window ......................................................................................................... 16 2.7 Pulse Rate Window ..........................................................................................................17 2.8 Data Collection Window ................................................................................................... 18 2.9 EEPROM Window ............................................................................................................ 25 2.10 Debug Panel .................................................................................................................. 26 Appendix A. Bill Of Materials ................................................................................................... 27 Appendix B. Schematics .......................................................................................................... 29 Appendix C. Layer Plots ........................................................................................................... 33 FIGURE 26. REVISION HISTORY .............................................................................................. 37 LIST OF FIGURES Figure 1. CDB5460AU Assembly Drawing...................................................................................... 3 Figure 2. GUI Start-up Window ....................................................................................................... 8 Figure 3. Setup Menu Showing Successful USB Connection ......................................................... 9 Figure 4. USB Error Message ......................................................................................................... 9 Figure 5. Data from Disc File Selection Window ........................................................................... 10 Figure 6. Menu Pull-down Options................................................................................................ 10 Figure 7. Quit Dialog .....................................................................................................................11 Figure 8. Setup Window ................................................................................................................ 12 Figure 9. Calibration Window ....................................................................................................... 14 Figure 10. Conversion Window ..................................................................................................... 16 Figure 11. Pulse Rate Output Window .......................................................................................... 17 Figure 12. Data Collection Window ............................................................................................... 18 Figure 13. Configuration Window .................................................................................................. 19 Figure 14. Histogram Analysis ...................................................................................................... 21 Figure 15. FFT Analysis ................................................................................................................ 23 Figure 16. Time Domain Analysis ................................................................................................. 24 Figure 17. EEPROM Window........................................................................................................ 25 Figure 18. Debug Panel ................................................................................................................ 26 Figure 19. Schematic - Analog Inputs ........................................................................................... 29 Figure 20. Schematic - CS5460A & Socket .................................................................................. 30 Figure 21. Schematic - Microcontroller & USB Interface............................................................... 31 Figure 22. Schematic - Power Supplies ........................................................................................ 32 Figure 23. Top Silkscreen ............................................................................................................. 33 Figure 24. Top Routing.................................................................................................................. 34 Figure 25. Bottom Routing ............................................................................................................ 35 Figure 26. Bottom Silkscreen ........................................................................................................ 36 2 DS487DBU1