.. zephyr:board:: can485dbv1

Overview

---

The WeAct Studio CAN485 DevBoard V1 ESP32_ is a wireless WiFi/Bluetooth board with CAN 2.0 Bus and RS485/Modbus interfaces implemented through transceivers with 2.5kV isolation, CA-IS2062A_ for CAN and CA-IS2092A_ for RS485.

More information can be found on the CAN485 DevBoard V1 ESP32 website_.

Hardware

---

.. include:: ../../../espressif/common/soc-esp32-features.rst :start-after: espressif-soc-esp32-features

The WeAct Studio CAN485 DevBoard V1 ESP32 is equipped with an ESP32-D0WD-V3 microcontroller, 8MB external QSPI flash memory, and includes the following features:

• One terminal block for connecting to the CAN bus (TX:GPIO27 and RX:GPIO26)
• One terminal block for connecting to the serial RS485 line (DE: GPIO17, DI(TX): GPIO22 and RO(RX): GPIO21)
• USB-C connector with CH343P USB-to-UART adapter for the standard serial RS232 console (TX:GPIO1 and RX:GPIO3)
• Onboard SD card slot (CS: GPIO13, SCK: GPIO14, MOSI: GPIO15, MISO: GPIO2)
• Onboard PCB antenna for WiFI/Bluetooth
• Onboard input voltage sensing (ADC0: GPIO36, with 1:12 divider)
• Onboard RGB WS2812 LED (GPIO4)
• BOOT/USER button (GPIO0)

Supported Features

.. zephyr:board-supported-hw::

System Clock

The ESP32-D0WD-V3 PLL is driven by an external crystal oscillator running at 40 MHz and configured to provide a system clock of 240 MHz and an APB clock of 80 MHz. This allows generating a TWAI internal core clock of 40 MHz (half of the APB clock).

System Requirements

---

.. include:: ../../../espressif/common/system-requirements.rst :start-after: espressif-system-requirements

Programming and Debugging

---

.. zephyr:board-supported-runners::

.. include:: ../../../espressif/common/building-flashing.rst :start-after: espressif-building-flashing

.. include:: ../../../espressif/common/board-variants.rst :start-after: espressif-board-variants

Debugging

Due to the inaccessibility of the JTAG signals, there is no debugging option.

References

---

.. target-notes::

.. _CAN485 DevBoard V1 ESP32 website: https://github.com/WeActStudio/WeActStudio.CAN485DevBoardV1_ESP32

.. _CA-IS2062A: https://e.chipanalog.com/products/interface/isolated/isolated-can-transceivers-with-iso-power/1314

.. _CA-IS2092A: https://e.chipanalog.com/products/interface/isolated/iso4/1129

.. _ESP32: https://www.espressif.com/en/products/socs?id=ESP32