Features
- 48MHz Arm Cortex-M4
- 512kB Flash Memory and 96kB SRAM
- 8kB Data Flash to store data as in EEPROM
- 7mm x7mm QFN 56-pin package
- Capacitive touch sensing unit
- Segment LCD controller
- USB 2.0 Full Speed module supporting host and device mode
- CAN 2.0B
- SCI (UART, Simple SPI, Simple I2C)
- SPI/ I2C multimaster interface
- 2.4GHz radio with Bluetooth 5.0 Low Energy
- LE 1M, 2M, Coded PHY, and LE advertising extension
- Secure Crypto Engine (AES128/256, GHASH, TRNG)
RA4W1 Block Diagram
Description
The Renesas RA4W1 is the first Bluetooth® 5.0 Low Energy (LE) fully compliant with 2Mbit High-Throughput (HT) and Long Range support in a single chip MCU of Renesas RA4 product series for IoT applications that require a high-performance Arm® Cortex®-M4 core at a very attractive price point. The RA4W1 is built on a highly efficient low power process and is supported by an open and flexible ecosystem concept, called Flexible Software Package (FSP), using FreeRTOS as a base. The RA4W1 MCU has full function support for Bluetooth 5.0 Low Energy long-range and mesh networking, and provides excellent reception performance. RA4W1 is geared towards IoT applications requiring Security, large embedded RAM and low power consumption.
Applications
- Security (fire detection, burglar detection, panel control)
- Metering (electricity, automated meter reading)
- Industry (robotics, door openers, sewing machines, vending machines, UPS)
- Health and wearables body sensors
- Smart home and remote control toys
Renesas Boards & Kits
EK-RA4W1
Active
Evaluation Kit for RA4W1 MCU Group
The EK-RA4W1 evaluation kit enables users to effortlessly evaluate the features of the RA4W1 MCU Group and develop embedded systems applications using Renesas' Flexible Software Package (FSP) and various IDEs.
Getting Started
Running the Quick Start Example Project
- Power up the EK-RA4W1 board... Read More
Recommended Documents:
Partner Boards & Kits
Development
VK-RA4W1
This development board leverages the Renesas RA4W1 microcontroller with integrated Bluetooth® Low Energy to deliver a compact and energy-efficient platform for IoT and smart sensing applications, combining wireless connectivity with onboard environmental sensors, including eCO₂ and temperature and humidity sensing, along with industrial interfaces such as CAN and RS-485, making it ideal for rapid prototyping and development of connected and intelligent systems.
Supported Products:
RA4W1Provided By:
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- Software PackageRA Flexible Software Package (FSP)RECOMMENDEDFSP 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.
- IDE and Coding ToolEclipse-based Renesas integrated development environment (IDE).
- Solution ToolkitDebugging support tool that specializes in Bluetooth® Low Energy system development [Plugin for Renesas IDE "e² studio"] [Support MCU/MPU: RA, RX, RL78]
- Solution ToolkitIn developing embedded system using the capacitive touch sensor of MCUs, you can easily setup initial configurations of the touch interface as well as process the tuning of sensors, and reduce development time. [Plugin for Renesas IDE "e2 studio"] [Standalone Version] [Support MCU/MPU:RA, RL78, RX, Renesas Synergy™]
- Solution ToolkitThe 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.
- Solution ToolkitRound-trip workflow for AI development and performance validation allowing to collect data, optimize models, and deploy directly to Renesas hardware
- EmulatorOn-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX, RISC-V MCU]
- EmulatorOn-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX, RISC-V MCU]
- Programmer (Unit/SW)On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Renesas Flash Programmer] [Support MCU/MPU and devices: RE, RX, RL78, RH850, RISC-V MCU, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver]
- Programmer (Unit/SW)On-chip debugging emulator available as a flash memory programmer [Available flash programming software: Renesas Flash Programmer] [Support MCU/MPU and devices: RX, RL78, RISC-V MCU, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver]
- Programmer (Unit/SW)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]
- Programmer (Unit/SW)Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, RISC-V MCU, Renesas Synergy, DA1453x, DA1459x, DA1469x, DA1470x, DA148xx, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78K0R, 78K0]
- ImagingSEGGER'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.
- Sample CodeThe EK-RA4W1 example project shows how to write code for various Renesas Flexible Software Package (FSP) modules supported by the EK-RA4W1 kit. The Flexible Software Package provides an optimized, easy-to-use, scalable, and high-quality software solution for embedded system design.
- Sample CodeLearn how Renesas MCU security revolves around integrated security engines. There are different types of security engines across the RA MCU. Users can find the specific engine used in a particular MCU from its hardware user’s manual. The security engines can operate in two different modes, called Compatibility Mode and Protected Mode. The application note “Renesas Security Engine Operational Modes” explains the definition of the two modes and their use cases.
- Software PackageRA Flexible Software Package (FSP)RECOMMENDEDFSP 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.
Recommended (1)
- Software PackageRA Flexible Software Package (FSP)RECOMMENDEDFSP 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.
- IDE and Coding ToolEclipse-based Renesas integrated development environment (IDE).
- Solution ToolkitDebugging support tool that specializes in Bluetooth® Low Energy system development [Plugin for Renesas IDE "e² studio"] [Support MCU/MPU: RA, RX, RL78]
- Solution ToolkitIn developing embedded system using the capacitive touch sensor of MCUs, you can easily setup initial configurations of the touch interface as well as process the tuning of sensors, and reduce development time. [Plugin for Renesas IDE "e2 studio"] [Standalone Version] [Support MCU/MPU:RA, RL78, RX, Renesas Synergy™]
- Solution ToolkitThe 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.View More (13)
Software & Tools (13)
- Sample CodeThe EK-RA4W1 example project shows how to write code for various Renesas Flexible Software Package (FSP) modules supported by the EK-RA4W1 kit. The Flexible Software Package provides an optimized, easy-to-use, scalable, and high-quality software solution for embedded system design.
- Sample CodeLearn how Renesas MCU security revolves around integrated security engines. There are different types of security engines across the RA MCU. Users can find the specific engine used in a particular MCU from its hardware user’s manual. The security engines can operate in two different modes, called Compatibility Mode and Protected Mode. The application note “Renesas Security Engine Operational Modes” explains the definition of the two modes and their use cases.
- Sample CodeLearn how to inject plaintext keys into RA MCUs using security engines operating in Compatibility Mode. Example projects for various MCUs and security engines demonstrate plaintext key injection with Renesas Flexible Software Package (FSP) APIs and PSA Certified Crypto APIs.
- View More (25)
Sample Code (25)
- Model - IBIS
Simulation Models (1)
Development ToolUniversal third-party programmers support a wide range of Renesas programmable devices across both off-board and on-board programming modes.Provided By: Elnec s.r.o.- Application Specific SWEnables adaptive pedestrian traffic light control by detecting and counting pedestrians and calculating wait times in real-time, with no network connection required. Runs entirely at the edge on the Renesas RA8P1 MCU, accelerated by the Arm® Ethos-U55 Neural Processing Unit (NPU), achieving 11ms inference time within a ...Provided By: Irida Labs
- Development ToolSupporting Arm® and RX microcontrollers, the SEGGER J-Link series is an industry-standard debugger for software development. High-speed programming algorithms reduce binary transfer time and accelerate development cycles. Broad compatibility supports Renesas e² studio, major IDEs, and RZ, RA, and RX devices. Advanced analysis with Ozone and ...Provided By: EmbiTeK Co., Ltd.
- AILocal AI–based Audio Event Detection identifies sound events such as baby crying and glass breaking with ~95% accuracy and 10–100 ms latency, enabling fast and reliable response to critical events. Supports deployment on Cortex-M0+ and comparable RISC-V/NPU/DSP platforms. Model size ranges from ...Provided By: Aizip Inc.
- Development ToolProvides high-volume automated programming systems engineered for factory-scale production, enabling efficient handling of a wide range of integrated circuit (IC) devices. Optimized for microcontrollers (MCUs) and flash memory, the systems support tube, tape, and tray input/output configurations for flexible manufacturing integration. Advanced auto-teach alignment capabilities ...Provided By: DediProg Technology Co., Ltd.View More (92)
Partner Solutions (92)
The Renesas RA Family of 32-bit MCUs is designed to help device developers create the next generation of secure IoT devices. They are low power, have a wide variety of peripherals and connectivity options, and sport the latest HMI to help end customers have an immersive experience.
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