USBCAN ISO

Overview

The USBCAN ISO is an open-source USB to CAN 2.0B adapter board from can-module.com. More information can be found on the USBCAN iso website.

Hardware

The USBCAN board is equipped with a STM32F072CB microcontroller and features galvanic isolation for protection, status LEDs, and a Boot0 jumper/pins for entering DFU mode.

Supported Features

The usbcan_iso board supports the hardware features listed below.

on-chip / on-board: Feature integrated in the SoC / present on the board.
2 / 2: Number of instances that are enabled / disabled.
Click on the label to see the first instance of this feature in the board/SoC DTS files.
vnd,foo: Compatible string for the Devicetree binding matching the feature.
Click on the link to view the binding documentation.

System Clock

The STM32F072CB PLL is driven by an external crystal oscillator (HSE) running at 8 MHz and configured to provide a system clock of 48 MHz.

Programming and Debugging

The usbcan_iso board supports the runners and associated west commands listed below.

	flash	debug

Build and flash applications as usual (see Building an Application and Run an Application for more details). If flashing via USB DFU, short pins Boot0 on the USBCAN board in order to enter the built-in DFU mode.

Here is an example for the Blinky application.

# From the root of the zephyr repository
west build -b usbcan_iso samples/basic/blinky
west flash