Overview
Description
The RA4E2 entry-line microcontroller is based on the 100 MHz Arm® Cortex®-M33 core with TrustZone.
RA4E2 MCUs offer high-performance and optimized peripheral functions along with the smallest package options, including space-saving 36-pin BGA and 32-pin QFN packages. These satisfy the needs of both cost-sensitive and space-constrained applications.
The RA4E2 provides an entry point to the wider RA family due to its well-balanced performance, advanced peripheral functions, and scalability.
Features
- 100MHz Arm Cortex-M33 with TrustZone
- 128KB Flash memory and 40KB SRAM
- 4KB Data Flash to store data as in EEPROM
- 1KB Standby SRAM
- Scalable from 32-pin to 64-pin packages
- USB 2.0 Full Speed
- CAN FD, I3C
- HDMI CEC, SSI
- 12-bit A/D Converter
- 12-bit D/A Converter
- General PWM Timer
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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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 |
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 |
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 |
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 |
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 |
e² studio - information for RA Family Eclipse-based Renesas integrated development environment (IDE).
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IDE and Coding Tool | 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® |
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 |
[Software=RA FSP],[Board=EK-RA4E2]
ZIP
16.14 MB
IDE:
e2 studio/GCC/AC6, IAR, Keil MDK
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|
Sample Code |
[Software=RA FSP|v4.2.0]
ZIP
7.74 MB
Compiler:
GNUARM-None
IDE:
e2 studio
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Sample Code | ZIP 6.08 MB 日本語 Compiler: GNU ARM Embedded, ICCARM Function: Security IDE: e2 studio, IAR EWARM | |
Sample Code | ZIP 845 KB | |
Sample Code | ZIP 4.87 MB | |
Sample Code | ZIP 3.88 MB | |
6 items
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Boards & Kits
Evaluation Kit for RA4E2 MCU Group
The EK-RA4E2 evaluation kit enables users to effortlessly evaluate the features of the RA4E2 MCU Group and develop embedded systems applications using Renesas' Flexible Software Package (FSP) and e2 studio IDE. Utilize rich on-board features along with your choice of popular ecosystem add-ons to...
Fast Prototyping Board for RA4E2 MCU Group
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...
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
An overview of the RA4E2 32-bit MCUs designed for cost-sensitive applications and other systems requiring an optimal combination of performance, low power consumption and small package size.
Events & Webinars
News & Blog Posts
News
Mar 14, 2023
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Blog Post
Mar 13, 2023
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Blog Post
Oct 13, 2022
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