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The VPX3-611 I/O module allows customers to readily incorporate a wide variety of I/O into military and aerospace embedded computing systems. Using a simple and reliable Flash-based FPGA hardware architecture with flexible I/O signal routing, the VPX3-611 provides high data throughput performance and can be easily adapted to meet a wide range of application needs.

The VPX3-611 not only fulfills the need for higher integration and flexibility in I/O functionality, but also eases the workload of the processing unit and reduces system production costs through additional processing in the MIL-STD-1553B and ARINC 429 interfaces. Each MIL-STD-1553B interface supports Bus Controller (BC), Remote Terminal (RT) and Bus Monitor (BM) modes of operation in a dual-redundant configuration. The VPX3-611 can be configured to provide ARINC 429 TX and ARINC 429 RX channels. Each channel can operate at the high or low bit rates defined by ARINC 429 and can operate concurrently at high-speed rates.

At the heart of the VPX3-611 is a Microchip IGLOO2 FPGA. The FPGA contains the IP implementing all the I/O provided by the VPX3-611. As a Flash-based design, concerns about SEUs are greatly reduced, as well as the startup time for the card. The FPGA is connected to the VPX3 P1 connector providing a single lane PCIe Gen1 connection to the dataplane. Also connected to the FPGA is 18 Mb of SRAM used as message storage for the 1553 ports. One hundred and eighty-three (183) I/O signals from the FPGA are connected to the IPX Pn7 connector, providing a large amount of I/O conditioning that can be done on the IPX, or that can be passed through to the backplane.

As always, this Curtiss-Wright product offers post-purchase technical support, lifecycle management services, and assured long-term availability.


Key Features

  • Advanced I/O options including MIL-STD-1553B and ARINC 429
  • Flexible I/O configurations
  • VxWorks 6.9 SMP drivers
    • Contact factory for additional OS Support



  • Military and Civil aerospace applications 
  • SWaP-constrained applications requiring advanced I/O options 
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