.. zephyr:board:: ek_ra6e2

Overview

The EK-RA6E2, an Evaluation Kit for RA6E2 MCU Group, enables users to seamlessly evaluate the features of the RA6E2 MCU group and develop embedded systems applications using Flexible Software Package (FSP) and e2 studio IDE. The users can use rich on-board features along with their choice of popular ecosystems add-ons to bring their big ideas to life

The key features of the EK-RA6E2 board are categorized in three groups as follow:

MCU Native Pin Access

200MHz Arm Cortex-M33 based RA6E2 MCU in 64 pins, LQFP package
256 kB Code Flash, 40 kB SRAM
Native pin access through 2 x 14-pin and 1 x 40-pin male headers
MCU current measurement points for precision current consumption measurement
Multiple clock sources - RA6E2 MCU oscillator and sub-clock oscillator crystals, providing precision 20.000 MHz and 32,768 Hz reference clock. Additional low precision clocks are available internal to the RA6E2 MCU

System Control and Ecosystem Access

USB Full Speed Host and Device (micro-AB connector)
Three 5V input sources
- USB (Debug, Full Speed)
- External power supply (using surface mount clamp test points and J31 through holes)
Three Debug modes
- Debug on-board (SWD)
- Debug in (SWD)
- Debug out (JTAG, 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 (I3C/Analog) connectors
- One SparkFun Qwiic connector
- Two Digilent Pmod (SPI and UART) connectors
- Arduino (Uno R3) connector
- MikroElektronika mikroBUS connector
MCU boot configuration jumper

Special Feature Access

16 Mb (128 Mb) External Quad-SPI Flash
CAN (3-pin header)

Hardware

Detailed hardware features for the RA6E2 MCU group can be found at RA6E2 Group User's Manual Hardware_

.. figure:: ra6e2_block_diagram.webp :width: 442px :align: center :alt: RA6E2 MCU group feature

RA6E2 Block diagram (Credit: Renesas Electronics Corporation)

Detailed hardware features for the EK-RA6E2 MCU can be found at EK-RA6E2 - User's Manual_

Supported Features

.. zephyr:board-supported-hw::

Programming and Debugging

.. zephyr:board-supported-runners::

Applications for the ek_ra6e2 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-RA6E2 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

Connect to J-Link OB via USB port to host PC
Make sure J-Link OB jumper is in default configuration as describe in EK-RA6E2 - User's Manual_
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: R7FA6E2BB
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-RA6E2 Website_
RA6E2 MCU group Website_

.. _EK-RA6E2 Website: https://www.renesas.com/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ek-ra6e2-evaluation-kit-ra6e2-mcu-group

.. _RA6E2 MCU group Website: https://www.renesas.com/us/en/products/microcontrollers-microprocessors/ra-cortex-m-mcus/ra6e2-entry-line-200mhz-arm-cortex-m33-general-purpose-microcontroller

.. _EK-RA6E2 - User's Manual: https://www.renesas.com/us/en/document/mat/ek-ra6e2-v1-users-manual

.. _RA6E2 Group User's Manual Hardware: https://www.renesas.com/us/en/document/mah/ra6e2-group-users-manual-hardware

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