The Renesas RA4W1 is the first Bluetooth® 5.0 Low Energy 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 base. RA4W1 is geared towards IoT application requiring Security, large embedded RAM and low power consumption.

Features

  • 48MHz Arm® Cortex®-M4
  • 512kB Flash Memory and 96kB SRAM
  • 8kB Data Flash to store data as in EEPROM
  • 7x7 mm 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
  • 2.4 GHz radio with Bluetooth 5.0 Low Energy
  • LE 1M, 2M, Coded PHY, and LE advertising extension
  • Secure Crypto Engine (AES128 / 256, GHASH, TRNG)

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

Documentation & Downloads

Title language Type Format File Size Date
Datasheets & Errata
- Renesas RA2A1 Group Datasheet Datasheet PDF 1.22 MB
Renesas RA4W1 Group Datasheet Datasheet PDF 1.52 MB
User Guides & Manuals
E2 Emulator, E2 Emulator Lite Additional Document for User's Manual (Notes on Connection of RA Devices) 日本語 Manual PDF 558 KB
- Renesas RA2A1 Group User's Manual: Hardware 日本語 Manual PDF 15.97 MB
Renesas RA4W1 Group User's Manual: Hardware 日本語 Manual PDF 16.39 MB
Technical Updates
RA4W1 Group, Modification of Table 1.12 Product list 日本語 Technical Update PDF 108 KB
RA2A1 Group, RA2L1 Group, RA2E1 Group, RA4M1 Group, RA4W1 Group, RA6M1 Group, RA6M2 Group, RA6M3 Group, RA6T1 Group, Note on ALeRASE command 日本語 Technical Update PDF 152 KB
RA family, Addition of register definition for Flash 日本語 Technical Update PDF 139 KB
Errata for User's Manual: Hardware for HOCO (TN-RA-A0005A/E) 日本語 Technical Update PDF 113 KB
Application Notes & White Papers
- EK-RA4W1 Example Project Bundle Application Note PDF 75 KB
Bluetooth® Low Energy microcomputer Design Guidelines for a Pattern Antenna Application Note (R01AN3134EJ0104) 日本語 Application Note PDF 2.93 MB
- RA Family BLE Sample Application Application Note PDF 3.16 MB
RA Family BLE Sample Application Application Note PDF 3.16 MB
Bluetooth Low Energy MCU Bluetooth Test Tool Suite operating instructions Application Note 日本語 Application Note PDF 3.06 MB
- Bluetooth Low Energy MCU Bluetooth Test Tool Suite operating instructions Application Note 日本語 Application Note PDF 3.06 MB
Renesas RA Family QE for BLE Usage for IAR EWARM Application Note PDF 1.83 MB
- RA4W1 group Environmental sensor network solution control sample software for building / HVAC 日本語 Application Note PDF 5.09 MB
RA4W1 group Environmental sensor network solution control sample software for building / HVAC 日本語 Application Note PDF 5.09 MB
RA4W1 Group - Bluetooth Low Energy Application Developer's Guide Application Note PDF 2.55 MB
Improving the Quality of Healthcare Delivery via Bluetooth® Low Energy and the Renesas RA4W1 MCU White Paper PDF 393 KB
Partner RTOS Aware Debugging for RA Application Note PDF 830 KB
- RA Family IEC 60730/60335 Self Test Library for RA MCU (CM4_CM23) 日本語 Application Note PDF 1.73 MB
RA Family IEC 60730/60335 Self Test Library for RA MCU (CM4_CM23) 日本語 Application Note PDF 1.73 MB
Securing Data at Rest Utilizing the Renesas Security MPU Application Note PDF 1.48 MB
Bring Fast, Accurate Multitouch User Interfaces to Your Designs 日本語, 简体中文 White Paper PDF 660 KB
RA Azure IoT Cloud Connectivity Solution Application Note PDF 1.78 MB
Renesas RA Securing Data at Rest Using the Arm® TrustZone® Application Note PDF 870 KB
Renesas RA Security Design with Arm® TrustZone® - IP Protection Application Note PDF 2.76 MB
Migrating Projects to New FSP Version Application Note PDF 645 KB
- Securing Data at Rest Utilizing the Renesas Security MPU Application Note PDF 1.48 MB
RA4W1 Group Bluetooth LE Profile API Document User's Manual (R11UM0154EJ0100) 日本語 Application Note PDF 314 KB
- RA4W1 Group Bluetooth LE Profile API Document User's Manual (R11UM0154EJ0100) 日本語 Application Note PDF 314 KB
- Public BD Address Writing Tool Application Note PDF 140 KB
Public BD Address Writing Tool Application Note PDF 140 KB
- Tuning Procedure of Bluetooth Dedicated Clock Frequency Application Note PDF 1.07 MB
Tuning Procedure of Bluetooth Dedicated Clock Frequency Application Note PDF 1.07 MB
- Host Controller Interface Firmware Application Note PDF 351 KB
RA4W1 Group Guidelines for 2.4 GHz Wireless Board Design Application Note PDF 680 KB
Host Controller Interface Firmware Application Note PDF 351 KB
RA Family Using QE and FSP to Develop Capacitive Touch Application 日本語 Application Note PDF 963 KB
Renesas RA Family Flash Memory Programming Application Note PDF 1.85 MB
Renesas RA Family System Specifications for Standard Boot Firmware Application Note PDF 749 KB
PCNs & PDNs
Unification of a JEDEC tray and a embossed carrier tape for LQFP package (Additional Information & Correction) 日本語 Product Change Notice PDF 4.86 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package ( PC-WRP-A001B/E ) 日本語 Product Change Notice PDF 3.74 MB
Unification of a JEDEC tray and a embossed carrier tape for LQFP package ( PC-WRP-A001A/E ) 日本語 Product Change Notice PDF 1.46 MB
Downloads
EK-RA4W1 Example Project Bundle - Sample Code Sample Code ZIP 3.18 MB
e² studio 2021-04 Linux Host 日本語 Upgrade - IDE XZ 586.56 MB
QE for Capacitive Touch [RA,RL78] V1.3.0: Development Assistance Tool for Capacitive Touch Sensor 日本語 Software ZIP 4.78 MB
QE for BLE[RA,RE] V1.2.0 : A Dedicated Tool for Bluetooth® low energy. 日本語 Software ZIP 10.00 MB
RA Family BLE Sample Application - Sample Code Sample Code ZIP 10.29 MB
- RA Family BLE Sample Application - Sample Code Sample Code ZIP 10.29 MB
- Bluetooth Low Energy MCU Bluetooth Test Tool Suite operating instructions Application Note - Sample Code Sample Code ZIP 23.22 MB
Bluetooth Low Energy MCU Bluetooth Test Tool Suite operating instructions Application Note - Sample Code Sample Code ZIP 23.22 MB
RA4W1 group Environmental sensor network solution control sample software for building / HVAC - Sample Code Sample Code ZIP 14.67 MB
- RA4W1 group Environmental sensor network solution control sample software for building / HVAC - Sample Code Sample Code ZIP 14.67 MB
RA Family IEC 60730/60335 Self Test Library for RA MCU (CM4_CM23) - Sample Code 日本語 Sample Code ZIP 8.83 MB
- RA Family IEC 60730/60335 Self Test Library for RA MCU (CM4_CM23) - Sample Code 日本語 Sample Code ZIP 8.83 MB
- Securing Data at Rest Utilizing the Renesas Security MPU - Sample Code Sample Code ZIP 1.59 MB
- RA Azure IoT Cloud Connectivity Solution - Sample Code Sample Code ZIP 2.01 MB
- Renesas RA Securing Data at Rest Using the Arm® TrustZone® - Sample Code Sample Code ZIP 881 KB
- Renesas RA Security Design with Arm® TrustZone® - IP Protection - Sample Code Sample Code ZIP 2.66 MB
Securing Data at Rest Utilizing the Renesas Security MPU - Sample Code Sample Code ZIP 1.59 MB
EK-RA4W1v0 - Design Package 日本語 Software ZIP 1.34 MB
Public BD Address Writing Tool - Sample Code Sample Code ZIP 137 KB
- Public BD Address Writing Tool - Sample Code Sample Code ZIP 137 KB
Tuning Procedure of Bluetooth Dedicated Clock Frequency - Sample Code Sample Code ZIP 5.10 MB
- Tuning Procedure of Bluetooth Dedicated Clock Frequency - Sample Code Sample Code ZIP 5.10 MB
Host Controller Interface Firmware - Sample Code Sample Code ZIP 9.90 MB
- Host Controller Interface Firmware - Sample Code Sample Code ZIP 9.90 MB
QE for BLE[RA] V1.0.0 : A Dedicated Tool for Bluetooth® low energy. 日本語 Software ZIP 9.73 MB
Tool News
[Upgrade to revision] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.05.01 日本語 Tool News - Release PDF 57 KB
[Notification] Flash Programmer Survey Invitation 日本語 Tool News - Notification PDF 29 KB
[Upgrade to revision] Solution Toolkit QE for BLE[RA] V1.1.0: Development Assistance Tool for Bluetooth® Low Energy 日本語 Tool News - Release PDF 105 KB
[Upgrade to revision] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.05.00 日本語 Tool News - Release PDF 72 KB
[Upgrade to revision] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.04.02 日本語 Tool News - Release PDF 74 KB
[Notification] Renesas Flash Programmer V3.06.01 Addition of Supported Devices and End of Device Support 日本語 Tool News - Notification PDF 28 KB
[Upgrade to revision] Programming GUI for PG-FP6 Flash Memory Programmer (FP6 Terminal) V1.04.01 日本語 Tool News - Release PDF 73 KB
[Released on the Web] Solution Toolkit QE for BLE[RA] V1.0.0: Development Assistance Tool for Bluetooth® Low Energy 日本語 Tool News - Release PDF 487 KB
Other
RA family BLE sample application Other ZIP 61 KB
Segger emWin v614d - Documentation, Tools and Samples Library ZIP 82.99 MB
QE for BLE [RA] V1.1.0 Release Note 日本語 Release Note PDF 141 KB
- RA4W1 Group Bluetooth LE Profile API Document User's Manual Other ZIP 6.08 MB
RA4W1 Group Bluetooth LE Profile API Document User's Manual Other ZIP 6.08 MB
e² studio 2020-07 Release Note Release Note PDF 1.52 MB
Segger emWin v614a - Documentation, Tools and Samples 日本語 Other ZIP 79.34 MB
RA4W1 Group Flyer 日本語 Flyer PDF 381 KB
QE for BLE[RA] V1.0.0 Release Note 日本語 Release Note PDF 131 KB
e² studio V7.8.0 Release Note Release Note PDF 1.26 MB
e² studio 2020-04 Release Note Release Note PDF 1.30 MB
[Flyer] E2Emulator[RTE0T00020KCE00000R] 日本語, 简体中文 Flyer PDF 381 KB
Renesas Software and Tools Flash Memory Programmer PG-FP6 日本語, 简体中文 Flyer PDF 417 KB
Renesas RA Family of 32-bit MCUs with Arm® Cortex®-M Core Flyer 日本語 Flyer PDF 391 KB
Building Automation Brochure 日本語 Brochure PDF 6.65 MB
e² studio V7.7.0 Release Note Release Note PDF 1.22 MB
e² studio V7.6.0 Release Note Release Note PDF 2.61 MB
Semiconductor Package Mount Manual 日本語, 简体中文 Other PDF 10.28 MB
Semiconductor Reliability Handbook 日本語 Other PDF 14.70 MB
QFN Mounting Manual 日本語, 简体中文 Other PDF 3.19 MB

Software & Tool Pages

Title Type Description Company
Flexible Software Package (FSP) Software Package 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. Renesas
E2 emulator [RTE0T00020KCE00000R] Emulator On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RH850, R-Car D1, RL78, RX] Renesas
E2 emulator Lite [RTE0T0002LKCE00000R] Emulator On-chip debugging emulator. Also available as a flash memory programmer. [Support MCU/MPU: RA, RE, RL78, RX] Renesas
e² studio IDE and Coding Tool Eclipse-based Renesas integrated development environment (IDE). (Note: You need to install compiler separately as an additional software) [Support MCU/MPU: RA, RE, RX, RL78, RH850, Renesas Synergy, RZ] Renesas
PG-FP6 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, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, SuperH RISC engine, V850, 78K, R8C] Renesas
Renesas Flash Programmer (Programming GUI) Programmer (Unit/SW) Flash memory programming software [Support MCU/MPU and devices: RA, RE, RX, RL78, RH850, Renesas Synergy, Power Management, Renesas USB Power Delivery Family, ICs for Motor Driver/Actuator Driver, V850, 78KR, 78K0] Renesas
QE for BLE: Development Assistance Tool for Bluetooth® Low Energy Solution Toolkit Debugging support tool that specializes in Bluetooth® Low Energy system development [Plugin for Renesas IDE "e2 studio"] [Support MCU/MPU: RA, RX, RL78] Renesas
QE for Capacitive Touch: Development Assistance Tool for Capacitive Touch Sensors Solution Toolkit In developing embedded system using the capacitive touch sensor of RA family and RX family 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"]
Renesas

Boards & Kits

Part Number Title Type Company
EK-RA4W1 RA4W1 MCU Group Evaluation Board Evaluation Renesas

Pin Count / Memory Size

Flash: 512kB
RAM: 96kB
Pin Count
Package
Size
Pitch
56-pin
QFN
7x7mm
0.5mm