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USB/CAN Interface For Direct Connection To Embedded PC Motherboards

Posted by Industry News on

EMS Thomas Wunsche USB/CAN Interface CPC-USB/embedded

The CPC-USB/embedded by EMS Thomas Wunsche represents a CAN Bus interface designed for use with internal USB ports. Due to its compact size, it is well suitable for applications in embedded PCs. It is installed straight at a SUB-D9 enclosure opening or a slot panel, and it is wired per included cable to a pin connector of an internal USB interface of the mainboard. 

The interface utilizes a Cortex M3 microcontroller providing on-chip CAN Bus and USB controllers. By combining the powerful CPU with internal peripherals, the board operates with low latencies. The interface is powered via USB; thus, a separate supply for the CAN Bus side is not necessary. 

The CPC-USB/embedded renders galvanic decoupling between the CAN Bus and USB port, and it operates at an extended operating temperature range. The device supports 11-Bit and 29-Bit CAN Bus message identifiers. As an option, application development kits for the Windows and Linux operating systems are available. Linux socketCAN is supported as well.

Features

  • Powerful Cortex M3 microcontroller with internal CAN controller
  • Extended temperature range
  • Supports CAN protocols 2.0A and 2.0B
  • Supply over USB
  • Galvanic isolation
  • Firmware flashable over USB
  • Development kits for Windows and Linux OS available
  • Linux socketCAN is supported

More Information...


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Microcontrollers are embedded into larger systems to provide benefits such as better performance, more features, better efficiency, lower costs, and better dependability. This textbook introduces students to creating microcontroller-based embedded systems featuring an ARM Cortex-M CPU core.

First, the book introduces students to the concepts of MCU-based embedded systems and how they differ from general-purpose computers. It also introduces the ARM Cortex-M0+ CPU, the Kinetis KL25Z MCU, and the low cost FRDM-KL25Z MCU development board.

An appendix covers how to measure the power and energy use on the FRDM-KL25Z board, including disconnecting the debug MCU to reduce power. Energy measurement using an ultracapacitor is also presented.

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