Embedded Computing

CAN FD interface for M.2 PCIe

Peak Systems expanded its CAN FD product line with the PCAN-M.2 Four Channel. Thanks to the mounted expansion board on the main board, four CAN FD channels are available for computers. Connection to CAN buses is made using the supplied connection cables with D-Sub connector. Each CAN FD channel can transmit a maximum of 64 data bytes of a CAN FD frame at bit rates of 20 kbit/s up to 12 Mbit/s. Each channel is also galvanically isolated up to 300 volts and can be terminated.

  • CAN interface for the M.2 slot (uses PCIe lane)
  • 1, 2, or 4 High-speed CAN channels (ISO 11898-2)
  • Form factor M.2 type: 2280/2260-B-M; Height: Single and Dual Channel 4.6 mm; Four Channel 10.2 mm
  • Complies with CAN specifications 2.0 A/B and FD
  • CAN FD support for ISO and Non-ISO standards switchable
  • CAN FD bit rates for the data field (64 bytes max.) from 20 kbit/s up to 12 Mbit/s
  • CAN bit rates from 20 kbit/s up to 1 Mbit/s
  • CAN bus connection via connection cable and D-Sub, 9-pin (in accordance with CiA® 303-1)
  • FPGA implementation of the CAN FD controller
  • Microchip CAN transceiver MCP2558FD
  • Galvanic isolation on the CAN connection up to 300 V, separate for each CAN channel
  • CAN termination can be activated through a solder jumper, separately for each CAN channel
  • PCIe data transfer via bus master DMA
  • DMA memory access operations with 32- and 64-bit addresses
  • Measurement of bus load including error frames and overload frames on the physical bus
  • Induced error generation for incoming and outgoing CAN messages
  • Extended operating temperature range from -40 to 85 °C (-40 to 185 °F)

PCAN M.2 User Manual

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