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Fast Prototyping Board for RA8E1 MCU Group

FPB-RA8E1

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The RA8E1 Fast Prototyping Board comes equipped with an R7FA8E1AFDCFB 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 and 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 RA8E1 MCU and for connecting the RA8E1 Fast Prototyping Board with various wireless or sensor modules.

Features

  • MCU Native Pin Access:
    • R7FA8E1AFDCFB MCU (referred to as RA MCU)
    • 360MHz, Arm® Cortex®-M85 core
    • 1MB Code Flash, 12KB Data Flash, 544KB SRAM including 32KB of TCM
    • 144-pin, LFQFP package, 20mm x 20mm x 1.70mm, 0.5mm pitch
    • Native pin access through 1 x 20 and 2 x 50 male pin headers
    • 20-pin camera interface connector
    • MCU current measurement point for precision current consumption measurement
    • Multiple clock sources, including low‑precision (~1%) internal RA MCU clocks and optional on‑board crystals providing precise 20.000MHz and 32.768Hz reference clocks
  • Ecosystem and System Control Access:
    • Two 5V input sources:
      • USB debug
      • External power supply
    • Real-time clock backup supply connector (not populated)
    • Two Debug modes:
      • Debug on-board (SWD)
      • Debug in (SWD, SWO and JTAG)
    • User LEDs and buttons:
      • Two User LEDs (green)
      • Power LED (green) indicating availability of regulated power
      • Debug LED (yellow) indicating the debug connection
      • One user button
      • One reset button
    • Two popular ecosystem expansions:
      • Two Digilent Pmod™ (SPI, UART, I2C) connectors
      • Arduino (UNO R3) connector
    • MCU boot configuration jumper
FPB-RA8E1 Fast Prototyping Board - Top
FPB-RA8E1 Fast Prototyping Board - Bottom
FPB-RA8E1 Fast Prototyping Board
FPB-RA8E1 Fast Prototyping Board - Top
FPB-RA8E1 Fast Prototyping Board - Bottom
FPB-RA8E1 Fast Prototyping Board

Products in the Design

3D illustration featuring top and bottom views of LFQFP chip package with 144 lead count.
RA Arm Cortex-M MCUs
RA8E1 Active
360MHz Arm Cortex-M85 Based Entry-Line Microcontroller with Helium and TrustZone
Datasheet

Getting Started

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Sample & Buy

FPB-RA8E1 Fast Prototyping Board

RTK7FPA8E1S00001BE

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1u | $27.06Budgetary Price

Add-on Hardware

Additional boards that work with this platform. Some may be required for full functionality or to evaluate specific features.
EK-RA8M1 Evaluation Board

Evaluation Kit for RA8M1 MCU Group

EK-RA8M1 Active
Evaluate RA8M1 MCU features and build high‑performance embedded applications using a comprehensive, expansion‑ready kit.
Recommended Documents:
EK-RA8M1 - Quick Start Guide
EK-RA8M1 v1 - User's Manual
EK-RA8M1 v1 - Design Package
EK-RA8D1 Evaluation Board

Evaluation Kit for RA8D1 MCU Group

EK-RA8D1 Active
Develop graphics‑rich embedded applications using an RA8D1 kit with integrated display, touch, and camera support.
Recommended Documents:
EK-RA8D1 - Quick Start Guide
EK-RA8D1 v1 – User Manual
EK-RA8D1 v1 - Design Package

Videos & Training

Configure and use the Watchdog Timer (WDT) and Independent Watchdog Timer (IWDT) on RA devices with the RA8E1 fast prototyping board. Project setup using the Flexible Software Package in e² studio is included, along with separate implementations for WDT and IWDT. Countdown behavior is displayed using SEGGER RTT to indicate timing before reset. Normal operation with watchdog expiration and system restart is shown for WDT. Fault-triggered reset behavior is demonstrated using IWDT to illustrate its role in system recovery.

Additional Videos

News & Blog Posts

Blog Post
Nov 6, 2024
Selecting the Best Memory Option for Your System Needs

Support

Support Communities

  1. FPB-RA8E1 Data Flash return FSP_ERR_CMD_LOCKED

    Hi, All~ I am using the ra-fsp flash_hp example, but the R_FLASH_HP_Erase API does not work as FSP_ERR_CMD_LOCKED is returned during the operation. I also tested it on EK-RA8M1, but the same error is returned and it does not work. Please ...

    May 13, 2025
  2. RA8E1 Capture GPT

    Hi, I want use the GPT1 only with GTIOC1A for Capture. GTIOC1B is not used. What must I selcet for the Capture A source in the GTICASR. In the datashhet for GTIOCA is always combined with GTIOCB on selcting. I want GTCCRA input capture enabled on the falling edge. In ...

    Feb 3, 2026
  3. RA4E1 - RTC time not retained after pressing Reset button on FPB-RA4E1

    Hi,Everytime I press the Reset button on FPB-RA4E1, the current RTC calendar time is lost.Here is my application logic:1.At startup, Call  R_RTC_Open(&g_rtc0_ctrl, &g_rtc0_cfg) to open the RTC (with RTC_CFG_OPEN_SET_CLOCK_SOURCE=1). 2 ...

    Jun 18, 2026
View All Results from Support Communities (4)

Knowledge Base

  1. How to use RTC to get the current time on FPB-RA8E1

    Last updated on 2nd June 2026   Summary of the video   This video demonstrates how to configure and use the Real-Time Clock on the FPB-RA8E1 board to detect a user switch press and control LEDs. Flexible Software Package (FSP) supports RTC calendar operations with the r_rtc FSP module ...

  2. How to setup an external interrupt using FPB-RA8E1

    Last updated on 2nd June 2026   Summary of the video   This video demonstrates how to configure and use an external interrupt on the FPB-RA8E1 board to detect a user switch press and control LEDs. Flexible Software Package (FSP) supports external interrupt detection with the r_icu FSP module and ...

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