Half-size mini PCIe card adds up to 4 CAN FD interfaces to embedded systems

esd electronics CAN-PCIeMiniHS/402 is a half-size mini PCIe card with four CAN FD Interfaces designed for embedded systems with one model adding extended temperature range support from -40C to 85°C.

The company also introduced the CAN-Mini/402-4-DSUB9-150mm adapter to more easily connect the four CAN network interfaces via DSUB9 connectors. It comes with four individual small adapter boards, each equipped with a DSUB9 plug and a jumper for selectable onboard CAN termination, as well as 150 mm long wires.

mini PCIe card 4x CAN FD
CAN-PCIeMiniHS/402 mini PCIe card (right) connected to a CAN-Mini/402-4-DSUB9-150mm adapter with four DB9 connectors

CAN-PCIeMiniHS/402 highlights:

  • 4x CAN FD interfaces according to ISO 11898-2, no galvanic isolation, bit rates from 10 Kbit/s up to 8 Mbit/s
  • Bus mastering and local data management by FPGA (Intel Cyclone IV EP4CGX)
  • PCIe Mini interface according to Mini Card Electromechanical Spec. R1.2
  • Supports MSI (Message Signaled Interrupts)
  • HW-Timestamp capable
  • Dimensions – 30 mm x 27 mm (Half-size mini PCIe form factor)
  • Temperature Range
    • Standard – 0°C … +75°C
    • Extended range: – -40°C … +85°C

CAN-PCIeMiniHS-402 block diagram

The company provides Windows and Linux software drivers, as well as optional CAN layer 2 software drivers for real-time operating systems. A cross-platform software communication interface for CAN and CAN FD hardware, called the NTCAN API, is available for free in the Windows and Linux SDKs, but a license fee is required for real-time operating systems from QNX, RTX, or VxWorks.

You’ll find documentation, drivers, SDKs, and further hardware details on the product page. I was unable to find public pricing for the mini PCIe CAN FD card, and instead, you’re asked to at items to a “watchlist” before requesting a quote from the sales team.

Thanks to TLS for the tip.

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