Overview
Description
The RA0E1 group is a basic, simple MCU in the entry line of the RA0 series, offering excellent cost effectiveness and ultra-low power consumption. It delivers up to 32MHz of CPU performance using an Arm® Cortex®-M23 core with up to 64KB of embedded flash memory and a wide supply voltage range from 1.6V to 5.5V. The RA0 series is ideal for cost-sensitive applications such as low power and lower cost for consumer electronics, system control for small appliances, industrial system control, and building automation.
Features
- 32MHz Arm Cortex-M23 core
- Up to 64KB Flash and 12KB SRAM
- 1KB data flash memory (100,000 program/erase (P/E) cycles)
- 16-pin and 32-pin package options
- Wide voltage range of 1.6V to 5.5V
- TAU (16-bit general PWM timer)
- TML32 (32-bit interval timers)
- RTC
- 12-bit A/D converter
- Temperature sensor
- SAU (UART, Simple SPI, Simple I2C)
- UART
- I2C bus
- Random number generator
- Safety functions
- +-1% high accuracy high-speed on-chip oscillator
- Flexible power architecture with fast wake-up
- Best-in class HAL driver code
- Supports Arm ecosystem and Renesas original development tools
Comparison
Applications
Design & Development
Software & Tools
Software & Tools
Software title
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Software type
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Company
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RA Flexible Software Package (FSP) FSP is an enhanced software package designed to provide easy-to-use, scalable, high-quality software for embedded system designs using Renesas RA Family of Arm Microcontrollers.
Note: FSP with e² studio Installer (Platform Installer) will install the e² studio tool, FSP packs, GCC toolchain, and Segger J-Link drivers required to use this software. No additional installations are required.
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Software Package | Renesas |
SEGGER emWin GUI Library for Renesas RA Products SEGGER's emWin graphics library is a ready-to-use solution that provides a versatile and professional GUI platform for creating interactive and high-quality graphical user interfaces on any type of display for the Renesas RA family.
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Imaging | SEGGER |
SEGGER J-Link and J-Trace PRO The J-Link debug probes offer full support for RZ Family MPUs. With their outstanding performance, robustness, and ease of use are widely recognized as the market-leading debug probes today.
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Emulator | SEGGER |
IAR Embedded Workbench for Arm IAR Embedded Workbench for Arm (EWARM) provides a complete development environment for Arm - including RA Family MCUs - generating fast, compact code and enabling you to take full control of your code.
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IDE and Coding Tool | IAR Systems |
Arm® Keil® MDK Arm® Keil® MDK is a comprehensive software development solution for Arm-based microcontrollers, including RA Family MCUs, containing all the components that you need to create, build, and debug embedded applications.
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IDE and Coding Tool | Arm® Keil® MDK Arm® |
e² studio - information for RA Family Eclipse-based Renesas integrated development environment (IDE).
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IDE and Coding Tool | Renesas |
RA Smart Configurator The Renesas RA Smart Configurator (RA SC) is a desktop application that helps you in configuring software systems (including a Board Support Package (BSP), drivers, RTOS, and middleware) for RA-Family MCUs when you are using a third-party IDE and toolchain.
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Solution Toolkit | Renesas |
PG-FP6 Flash memory programmer [Programming software: Dedicated GUI-based software, the "FP6 Terminal"] [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, SuperH RISC engine, V850, 78K, R8C]
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Programmer (Unit/SW) | Renesas |
Renesas Flash Programmer (Programming GUI) Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU Renesas Synergy, DA1453x, DA1459x, DA1469x, DA1470x, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78K0R, 78K0]
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Programmer (Unit/SW) | Renesas |
E2 emulator [RTE0T00020KCE00000R] On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX, RISC-V MCU]
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Emulator | Renesas |
E2 emulator Lite [RTE0T0002LKCE00000R] On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX, RISC-V MCU]
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Emulator | Renesas |
Reality AI Utilities Round-trip workflow for AI development and performance validation allowing to collect data, optimize models, and deploy directly to Renesas hardware
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Solution Toolkit | Renesas |
12 items
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Sample Code
Sample Code
Filters
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Type | Title | Date Date |
Sample Code | ZIP 11.88 MB | |
Sample Code |
[Software=RA Flexible Software Package|v5.9.0],[Toolchains=GNU Arm Embedded|13.2.1.arm-13-7]
ZIP
11.78 MB
Application:
Communications Infrastructure, Consumer Electronics, Industrial
Compiler:
GNU ARM Embedded
Function:
Software Package
IDE:
e2 studio
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Sample Code |
[Software=RA Flexible Software Package|v5.9.0],[Toolchains=GNU Arm Embedded|13.2.1.arm-13-7]
ZIP
1.93 MB
Application:
Communications Infrastructure, Consumer Electronics, Industrial
Compiler:
GNU ARM Embedded
Function:
Software Package
IDE:
e2 studio
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Sample Code | ZIP 4.18 MB | |
4 items
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Boards & Kits
RA0E1 Fast Prototyping Board
The RA0E1 Fast Prototyping Board is equipped with an RA0E1 MCU, making it an evaluation board specialized for prototype development for a variety of applications. It features a built-in SEGGER J-Link emulator circuit allowing you to write and debug programs without the need for additional tools....
Models
ECAD Models
Schematic symbols, PCB footprints, and 3D CAD models from SamacSys can be found by clicking on the CAD Model links in the Product Options table. If a symbol or model isn't available, it can be requested directly from SamacSys.

Product Options
Applied Filters:
Videos & Training
This video guides first-time users of the RA family using the Fast-Prototyping Board through the steps of installing a development environment, generating a project, and checking the operation to develop software.
The guide features the FPB-RA0E1 (Debugger: J-Link ARM) as a practical example.
Related Resources
Events & Webinars
News & Blog Posts
News
Apr 9, 2024
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Blog Post
Oct 13, 2022
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Blog Post
Jan 28, 2022
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