VPX3-673 3U VPX SBC with NXP LS1043A Arm Processor

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Key Features

  • 3U OpenVPX, supporting radial clock driving slot profile SLT3x-TIM-4S16S1U2U1H-14.9.1-1
  • SLT3x-TIM-4S16S1U2U1H-14.9.1-n
  • NXP QorIQ Layerscape LS1043A Quad Core v8 64-bit Arm A53 at 1.6
  • 2 or 4 GB DDR4 at 1600 MT/s with ECC
  • 8GB eMMC flash
  • GPS GB-GRAM Type II connector
  • Chip Scale Atomic Clock (CSAC)
  • On-board 10 Degree of freedom Inertial Measurement Unit (IMU)
  • VITA 67.3C (RF) P2 connectors
  • Differential radial clock driving slot profile on P1 connector
  • Support for external RS-422 and RS-232
  • Available in conduction-cooled versions
  • Supports Linux TBD


  • Assured PNT
  • Radial Clock Distribution
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3U VPX SBC for Assured Position, Navigation and Timing (A-PNT)

The VPX3-673 from Curtiss-Wright Defense Solutions is a rugged, high-performance 3U OpenVPX A-PNT solution. It features a Single Board Computer (SBC) that combines NXP’s capable and low-powered QorIQ Layerscape LS1043A Quad Core 64-bit v8 Arm A53 with a full suite of on-board capabilities to enable A-PNT processing.

The VPX3-673 supports NXP’s Arm processor technology, featuring its Layerscape LS1043A. Utilizing this advanced 64-bit, 4-core CPU and Curtiss-Wright’s proven ruggedization technology, the VPX3-673 has been designed for harsh environments, making it ideal for architecting high-performance computing and processing systems for A-PNT.

With a high speed DDR4 memory subsystem connected directly to the processor and supporting up to 4 GB SDRAM, the VPX3-673 is able to maximize the performance of the multiple processing cores, GPS, and associated position and timing capabilities.

The VPX3-673 serves an excellent high-performance, low-skew clock master powered by a GPS-disciplined Chip Scale Atomic Clock (CSAC), which offers a variety of configurable clock reference sources and support for up to 16 synchronized clock outputs.

With an on-board 10 degree of freedom inertial measurement unit (IMU), the VPX3-673 is capable of precise motion tracking in a denied or untrusted GPS environment. Support for an on-board GPS Receiver (SAASM GB-GRAM Type II, upgradeable to M-Code) is provided, including dedicated zeroize and keyfill functionality. An RS-232 port and RF 1 PPS input are provided for interfacing with external RS-232 GPS sources.

For Control Plane connectivity, the VPX3-673 supports one Ethernet fabric port at 1000Base-KX and one at 10G-BASE-KR.

The VPX3-673 provides a suite of software support targeted to a Linux operating system environment.

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