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A TCP/IP Based Multi-Device Programming Circuit

A TCP/IP Based Multi-Device Programming Circuit. David V. Schuehler – Harvey Ku – John Lockwood http://www.arl.wustl.edu/arl/projects/fpx. Goals. Develop an efficient mechanism for programming multiple devices Program devices with identical content

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A TCP/IP Based Multi-Device Programming Circuit

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  1. A TCP/IP Based Multi-Device Programming Circuit David V. Schuehler – Harvey Ku – John Lockwood http://www.arl.wustl.edu/arl/projects/fpx

  2. Goals • Develop an efficient mechanism for programming multiple devices • Program devices with identical content • Allow devices to be placed throughout the Internet • Support a hardware-based solution • No microprocessor or soft core

  3. Solution • A hardware circuit which extracts device configuration information from TCP/IP data flow

  4. System Configuration • Programming Station • Transmits configuration file • End Station • Terminates TCP/IP connection • Acts as data sink • One or More Target Devices • Contains programmer circuit & target component • Network Connectivity • IP route from programmer to each device and end station

  5. Development Platform FPX Module Oscillators Static Ram RAD (XCV2000E) NID (XCV600E) PROM

  6. FPX Internal Structure • RAD: Reprogrammable Application Device • Xilinx XCV2000E FPGA • External SRAM/SDRAM • Reprogrammable • NID: Network Interface Device • XCV600E FPGA • Controls FPX • Programs RAD • Forwards traffic

  7. Programmer Circuit Components

  8. Testing Configuration

  9. Washington UniversityGigabit Switch Environment Stacked FPX Modules

  10. Stacked FPX Devices

  11. Programmer Results

  12. Comparative Transmit Performance(1MByte bitfile) (wide area throughput = 8Mb/s) (switch delay = 100usec)

  13. Comparative Transmit Performance(1MByte bitfile) (wide area throughput = 80Mb/s) (switch delay = 100usec)

  14. Summary • A hardware circuit has been developed which supports the simultaneous programming of multiple devices • Devices can be dispersed throughout the Internet at disparate locations • Programming information is transmitted once and received by all devices • Simple to add or remove devices from programming chain

  15. Multi-Device Programmer • A hardware circuit which extracts device configuration information from TCP/IP data flow and programs remote devices

  16. Configuration

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