Block Diagram

Board Specifications


  • Virtex UltraScale+
  • VU9P or VU13P in D2104 package
  • Core speed grade – 2
  • Contact BittWare for other FPGA options

On-board Flash

  • Flash memory for booting FPGA

External memory

  • 4 DIMM sites, each supporting:
    • Up to 128 GBytes DDR4 x72 with ECC
    • Up to 576 Mbits dual QDR-II+ x18 (2 independent 288 Mbit banks)

Host interface

  • x16 Gen3 interface direct to FPGA

USB ports

  • Micro USB: access to BMC, FPGA JTAG, and FPGA UART


  • 1 PPS input and 10MHz clock input


  • 2 OCuLink on rear edge, each connected to FPGA via 4x GTY transceivers

QSFP cages

  • 4 QSFP-DD cages on front panel
  • Each supports 2x 100GbE, 2x 40GbE, 8x 25GbE, or 8x 10GbE
  • Jitter cleaner for network recovered clocking

Board Management Controller

  • Voltage, current, temperature monitoring
  • Power sequencing and reset
  • Field upgrades
  • FPGA configuration and control
  • Clock configuration
  • I2C bus access
  • USB 2.0
  • Voltage overrides


  • Standard: dual-width passive heatsink
  • Optional: single-width passive heatsink*


  • On-board power derived from 12V PCIe slot & two AUX connectors (8-pin)
  • Power dissipation is application dependent


  • Operating temperature 5°C to 35°C

Form factor

  • 3/4-length, standard-height PCIe dual-width board
  • Single-width option*
  • 10 x 4.37 inches (254 x 111.15 mm)

Development Tools

System development

  • BittWorks II Toolkit – host, command, and debug tools for BittWare hardware

FPGA development

  • FPGA Examples – example Vivado projects, available with the BittWorks II Toolkit
  • Xilinx Tools – Vivado® Design Suite
* Available on boards with no external memory