ContextQMD
Back to Zephyr

Overview

boards/renesas/ek_ra8d1/doc/index.rst

4.4.08.6 KB
Original Source

.. zephyr:board:: ek_ra8d1

Overview

The EK-RA8D1 is an Evaluation Kit for Renesas RA8D1 MCU Group which are the industry’s first 32-bit graphics-enabled MCUs based on the Arm Cortex-M85 (CM85) core, delivering breakthrough performance of over 3000 Coremark points at 480 MHz and superior graphics capabilities that enable high-resolution displays and Vision AI applications.

The key features of the EK-RA8D1 board are categorized in three groups as follow:

MCU Native Pin Access

  • 480MHz Arm Cortex-M85 based RA8D1 MCU in 224 pins, BGA package
  • Native pin access through 2 x 50-pin, and 2 x 40-pin male headers
  • MCU current measurement points for precision current consumption measurement
  • Multiple clock sources - RA8D1 MCU oscillator and sub-clock oscillator crystals, providing precision 20.000MHz and 32,768 Hz refeence clocks. Additional low precision clocks are available internal to the RA8D1 MCU

System Control and Ecosystem Access

  • USB Full Speed Host and Device (micro-AB connector)

  • Four 5V input sources

    • USB (Debug, Full Speed, High Speed)
    • External power supply (using surface mount clamp test points and power input vias)

  • Three Debug modes

    • Debug on-board (SWD)
    • Debug in (ETM, SWD and JTAG)
    • Debug out (SWD)

  • User LEDs and buttons

    • Three User LEDs (red, blue, green)
    • Power LED (white) indicating availability of regulated power
    • Debug LED (yellow) indicating the debug connection
    • Two User buttons
    • One Reset button

  • Five most popular ecosystems expansions

    • Two Seeed Grove system (I2C/I3C) connectors
    • One SparkFun Qwiic connector
    • Two Digilent Pmod (SPI, UART and I2C/I3C) connectors
    • Arduino (Uno R3) connector
    • MikroElektronika mikroBUS connector

  • MCU boot configuration jumper

Special Feature Access

  • Ethernet (RJ45 RMII interface)
  • USB High Speed Host and Device (micro-AB connector)
  • 512 Mb (64 MB) External Octo-SPI Flash (present in the MCU Native Pin Access area of the EK-RA8D1 board)
  • CAN FD (3-pin header)

Hardware

Detailed Hardware features for the RA8D1 MCU group can be found at RA8D1 Group User's Manual Hardware_

.. figure:: ra8d1_block_diagram.png :width: 442px :align: center :alt: RA8D1 MCU group feature

RA8D1 Block diagram (Credit: Renesas Electronics Corporation)

Detailed Hardware features for the EK-RA8D1 MCU can be found at EK-RA8D1 - User's Manual_

Supported Features

.. zephyr:board-supported-hw::

.. note::

  • For using Ethernet on RA8D1 board please set switch SW1 as following configuration:

    +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | SW1-1 PMOD1 | SW1-2 TRACE | SW1-3 CAMERA | SW1-4 ETHA | SW1-5 ETHB | SW1-6 GLCD | SW1-7 SDRAM | SW1-8 I3C | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | OFF | OFF | OFF | OFF | ON | OFF | OFF | OFF | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+

  • For using SDHC channel 1 on RA8D1 board please set switch SW1 as following configuration:

    +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | SW1-1 PMOD1 | SW1-2 TRACE | SW1-3 CAMERA | SW1-4 ETHA | SW1-5 ETHB | SW1-6 GLCD | SW1-7 SDRAM | SW1-8 I3C | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | OFF | OFF | OFF | OFF | OFF | OFF | OFF | OFF | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+

  • For using MIPI Graphics Expansion Port (J58) on RA8D1 board please set switch SW1 as following configuration:

    +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | SW1-1 PMOD1 | SW1-2 TRACE | SW1-3 CAMERA | SW1-4 ETHA | SW1-5 ETHB | SW1-6 GLCD | SW1-7 SDRAM | SW1-8 I3C | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | OFF | OFF | OFF | OFF | OFF | ON | ON | OFF | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+

  • For using the Parallel Graphics Expansion Port (J57), please set switch SW1 to the following configuration:

    +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | SW1-1 PMOD1 | SW1-2 TRACE | SW1-3 CAMERA | SW1-4 ETHA | SW1-5 ETHB | SW1-6 GLCD | SW1-7 SDRAM | SW1-8 I3C | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | OFF | OFF | OFF | OFF | OFF | ON | ON | OFF | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+

  • For using I3C on RA8D1 board please set switch SW1 as following configuration:

    +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | SW1-1 PMOD1 | SW1-2 TRACE | SW1-3 CAMERA | SW1-4 ETHA | SW1-5 ETHB | SW1-6 GLCD | SW1-7 SDRAM | SW1-8 I3C | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | OFF | OFF | OFF | OFF | OFF | OFF | OFF | ON | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+

  • For using the Camera Expansion Port (J59) with the Camera, please set switch SW1 as following configuration:

    +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | SW1-1 PMOD1 | SW1-2 TRACE | SW1-3 CAMERA | SW1-4 ETHA | SW1-5 ETHB | SW1-6 GLCD | SW1-7 SDRAM | SW1-8 I3C | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+ | OFF | OFF | ON | OFF | OFF | OFF | ON | OFF | +-------------+-------------+--------------+------------+------------+------------+-------------+-----------+

.. warning::

Do not enable SW1-4 and SW1-5 together

Programming and Debugging

.. zephyr:board-supported-runners::

Applications for the ek_ra8d1 board configuration can be built, flashed, and debugged in the usual way. See :ref:build_an_application and :ref:application_run for more details on building and running.

Note: Only support from SDK v0.16.6 in which GCC for Cortex Arm-M85 was available. To build for EK-RA8M1 user need to get and install GNU Arm Embedded toolchain from https://github.com/zephyrproject-rtos/sdk-ng/releases/tag/v0.16.6

Flashing

Program can be flashed to EK-RA8D1 via the on-board SEGGER J-Link debugger. SEGGER J-link's drivers are available at https://www.segger.com/downloads/jlink/

To flash the program to board

  1. Connect to J-Link OB via USB port to host PC

  2. Make sure J-Link OB jumper is in default configuration as describe in EK-RA8D1 - User's Manual_

  3. Execute west command

    .. code-block:: console

     west flash -r jlink

Debugging

You can use Segger Ozone (Segger Ozone Download_) for a visual debug interface

Once downloaded and installed, open Segger Ozone and configure the debug project like so:

  • Target Device: R7FA8D1BH
  • Target Interface: SWD
  • Target Interface Speed: 4 MHz
  • Host Interface: USB
  • Program File: <path/to/your/build/zephyr.elf>

Note: It's verified that debug is OK on Segger Ozone v3.30d so please use this or later version of Segger Ozone

References

  • EK-RA8D1 Website_
  • RA8D1 MCU group Website_

.. _EK-RA8D1 Website: https://www.renesas.com/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ek-ra8d1-evaluation-kit-ra8d1-mcu-group

.. _RA8D1 MCU group Website: https://www.renesas.com/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ra8d1-480-mhz-arm-cortex-m85-based-graphics-microcontroller-helium-and-trustzone

.. _EK-RA8D1 - User's Manual: https://www.renesas.com/us/en/document/mat/ek-ra8d1-v1-user-manual

.. _RA8D1 Group User's Manual Hardware: https://www.renesas.com/us/en/document/mah/ra8d1-group-users-manual-hardware

.. _Segger Ozone Download: https://www.segger.com/downloads/jlink#Ozone