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Renesas Electronics Corporation

Overview

The RA4E2 Fast Prototyping Board comes equipped with an R7FA4E2B93CFM microcontroller and is an evaluation board specialized for prototype development for a variety of applications. It has a built-in SEGGER J-Link™ emulator circuit so you can write/debug programs without additional tools. In addition, with Arduino® UNO and Pmod™ interfaces included standard and through-hole access to all pins of the microcontroller, and so on, it has high expandability.

Sample software is available to demonstrate the functionality of the RA4E2 MCU and for connecting between the RA4E2 Fast Prototyping Board and various wireless modules or various sensor modules.

Please use Bluetooth®, LoRa®, and Wi-Fi according to the radio regulations of each country during use.

Features

  • Equipped with an RA4E2 32-bit microcontroller 64-pin, 10mm x 10mm x 1.70mm, 0.5mm pitch, ROM: 128KB, RAM: 40KB
  • No additional tools are required for program debugging/writing with the built-in SEGGER J-Link™ emulator circuit
  • Through-holes with access to all of the pins of the microcontroller
  • Arduino UNO and Pmod interfaces come standard
  • Support for various RA4E2 software and tools

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Sample & Buy

FPB-RA4E2 Fast Prototyping Board - Top

Fast prototyping Board for RA4E2 MCUs

RTK7FPA4E2S00001BE Active
Description:Fast prototyping Board for RA4E2 MCUs
SPQ:1
Pb (Lead) Free:No
Assembly Location:UNITED KINGDOM

Add-on Hardware

Additional boards that work with this platform. Some may be required for full functionality or to evaluate specific features.

Evaluation Kit for RA4M1 MCU Group

EK-RA4M1 Active
Enables evaluation of the RA4M1 MCU for embedded system development. Supports rapid prototyping with Renesas software tools.

Evaluation Kit for RA4M3 MCU Group

EK-RA4M3 Active
Evaluate the RA4M3 MCU using a feature‑rich development kit with integrated debugging. Ideal for rapid prototyping and peripheral exploration.

Evaluation Kit for RA4M2 MCU Group

EK-RA4M2 Active
Evaluate the RA4M2 MCU using a versatile development platform with rich peripheral support. Designed to accelerate prototyping and custom hardware development.

Fast Prototyping Board for RA4E1 MCU Group

FPB-RA4E1 Active
Prototype applications quickly with the RA4E1 fast prototyping board. Built-in debugging and standard expansion interfaces simplify development and evaluation.

Evaluation Kit for RA4E2 MCU Group

EK-RA4E2 Active
Evaluate and prototype embedded applications with the RA4E2 MCU group using a feature‑rich kit integrated with FSP and e² studio.

Videos & Training

Support

Support Communities

  1. RA4E2 how to start ADC group B and its interrupt?

    Hi,  I have two timers g_timer0 and g_timer1 running at 100kHz and 10kHz respectively.  I can see their trough interrupts in SW ISR routine.  I have setup the ADC in group scanning mode with group A to be started by g_timer0 UDF and group B by g ...

    Oct 4, 2024
  2. How to make FSP5.5.0 generate correct vector_data.c and vector_data.h when GTP timer interrupts are enabled?

    Hi,  I have a FPB_RA4E2 board.  I have found out how to start the blinky project and add the GPT PWM.  They are working.   However, I have hard time understanding how to add GPT timer interrupts as the FSP interrupts tab "New User Event" button does not give me ...

    Sep 28, 2024

Knowledge Base

  1. RA Family: Handling of I²C Pull-Up Resistors on Arduino-Compatible Pins J1 (10/9) of RA Family FPB Boards

    ... Arduino-compatible pins J1 (10/9) on RA Family FPB boards for I²C communication. How should I connect the pull-up resistors? Target boards:FPB-RA4E2FPB-RA4T1 FPB-RA6E2 FPB-RA6T3 Answer: For target RA FPB boards, pull-up resistors are pre-installed on the Arduino-compatible pins ...

    Dec 5, 2025
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