| .. zephyr:board:: ek_ra6m3 |
| |
| Overview |
| ******** |
| |
| The Renesas RA6M3 group uses the high-performance Arm® Cortex®-M4 core and |
| offers a TFT controller with 2D accelerator and JPEG decoder. The RA6M3 is |
| suitable for IoT applications requiring TFT, Ethernet, security, large |
| embedded RAM, and USB High Speed (HS). |
| |
| The key features of the EK-RA6M3 board are categorized in three groups as follow: |
| |
| **MCU Native Pin Access** |
| |
| - 120MHz Arm Cortex-M4 based RA6M3 MCU in 176 pins, LQFP package |
| - Native pin access through 4 x 40-pin male headers |
| - MCU and USB current measurement points for precision current consumption measurement |
| - Multiple clock sources - RA6M3 MCU oscillator and sub-clock oscillator crystals, |
| providing precision 24.000 MHz and 32,768 Hz reference clock. |
| Additional low precision clocks are available internal to the RA6M3 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 |
| |
| - Four most popular ecosystems expansions |
| |
| - Two Seeed Grove system (I2C) connectors |
| - Two Digilent Pmod (SPI and UART) 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) |
| - 32 Mb (256 Mb) External Quad-SPI Flash |
| |
| Hardware |
| ******** |
| Detailed hardware features for the RA6M3 MCU group can be found at `RA6M3 Group User's Manual Hardware`_ |
| |
| .. figure:: ra6m3_block_diagram.webp |
| :width: 442px |
| :align: center |
| :alt: RA6M3 MCU group feature |
| |
| RA6M3 Block diagram (Credit: Renesas Electronics Corporation) |
| |
| Detailed hardware features for the EK-RA6M3 MCU can be found at `EK-RA6M3 - User's Manual`_ |
| |
| Supported Features |
| ================== |
| |
| .. zephyr:board-supported-hw:: |
| |
| Programming and Debugging |
| ************************* |
| |
| .. zephyr:board-supported-runners:: |
| |
| Applications for the ``ek_ra6m3`` board target 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. |
| |
| Flashing |
| ======== |
| |
| Program can be flashed to EK-RA6M3 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-RA6M3 - 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: R7FA6M3AH |
| * Target Interface: SWD |
| * Target Interface Speed: 4 MHz |
| * Host Interface: USB |
| * Program File: <path/to/your/build/zephyr.elf> |
| |
| **Note:** It's verified that we can debug OK on Segger Ozone v3.30d so please use this or later |
| version of Segger Ozone |
| |
| References |
| ********** |
| - `EK-RA6M3 Website`_ |
| - `RA6M3 MCU group Website`_ |
| |
| .. _EK-RA6M3 Website: |
| https://www.renesas.com/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ek-ra6m3-evaluation-kit-ra6m3-mcu-group |
| |
| .. _RA6M3 MCU group Website: |
| https://www.renesas.com/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ra6m3-32-bit-microcontrollers-120mhz-usb-high-speed-ethernet-and-tft-controller |
| |
| .. _EK-RA6M3 - User's Manual: |
| https://www.renesas.com/us/en/document/mat/ek-ra6m3-v1-users-manual |
| |
| .. _RA6M3 Group User's Manual Hardware: |
| https://www.renesas.com/us/en/document/mah/ra6m3-group-users-manual-hardware |
| |
| .. _Segger Ozone Download: |
| https://www.segger.com/downloads/jlink#Ozone |
