Overview
Description
The Renesas RA4L1 MCU group features low-power, 32-bit microcontrollers (MCUs) based on the Arm® Cortex®-M33 (CM33) core with TrustZone®, delivering an ideal balance of low voltage operation, low power consumption, and high performance. The RA4L1 offers operation down to 1.6V combined with a low-power standby current of as little as 1.65µA and a multitude of low-power features enabling the user to dynamically optimize power/performance to their application requirements.
These MCUs include low-power features such as segment LCD display drive and an advanced security engine, as well as RTC, ADC, and timers. These MCUs integrate communications interfaces such as CAN FD, USB 2.0 FS without the need of a crystal, I2C/I3C, and low-power UARTs making these devices ideal for many industrial automation, home appliances, smart home, consumer, building/home automation, and medical/healthcare applications.
The RA4L1 comes in a wide variety of standard LQFP and QFN package options as well as a range of space-saving BGA and CSP options and offers support for operating temperatures of -40 °C to 125 °C. The RA4L1 MCUs are fully supported by the Renesas Flexible Software Package and a comprehensive set of hardware and software development tools.
Features
- 80MHz Arm Cortex-M33 with TrustZone
- 512KB dual bank flash supporting BGO
- 64KB SRAM with 32KB parity and 32KB ECC
- 8KB data flash
- 168µA/MHz active current, 1.65µA standby current
- Fast wake-up <3.5µS (from MOCO)
- 6 SCI (UART, Simple SPI, Simple I2C)
- 2 low-power UARTs with 32kHz support
- SPI/I2C multi-master interface
- I3C interface
- USB 2.0 FS
- CAN FD
- Quad SPI with XIP
- 32-bit and 16-bit timers, 32-bit ultra-low power timers
- 2 x watchdog timer
- Real-Time Clock (RTC)
- 12-bit ADC and 12-bit DAC
- Low-power analog comparator
- Temperature sensor
- 8 x 48 segment LCD drive
- 12-channel capacitive touch
- Serial Sound Interface (SSI)
- Advanced security engine with support for: TRNG, Unique ID, AES, ECC, and SHA
Comparison
Applications
Design & Development
Software & Tools
Software & Tools
| Software title
|
Software type
|
Company
|
|---|---|---|
| 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.
|
Software Package | Renesas |
| e² studio - information for RA Family Eclipse-based Renesas integrated development environment (IDE).
|
IDE and Coding Tool | Renesas |
| QE for Capacitive Touch: Development Assistance Tool for Capacitive Touch Sensors In 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 Toolkit | 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]
|
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]
|
Emulator | 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.
|
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]
|
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]
|
Programmer (Unit/SW) | Renesas |
| Security Key Management Tool Key wrapping tool for key management systems using Renesas security IP. Enables secure installation and update of user application and device lifecycle management (DLM) keys.
|
Solution Toolkit | 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.
|
Imaging | SEGGER |
| SEGGER J-Link and J-Trace PRO With their outstanding performance, robustness, and ease of use, J-Link debug probes are widely recognized as the market-leading debug probes today.
|
Emulator | SEGGER |
| IAR Embedded Workbench for Arm IAR Embedded Workbench for Arm (EWARM) provides a complete development environment for Arm, generating fast, compact code and enabling you to take full control of your code.
|
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.
|
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
|
Solution Toolkit | Renesas |
|
14 items
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Sample Code
Sample Code
| Sample Code | ZIP 3.34 MB | |
| Sample Code |
[Software=RA Flexible Software Package|v5.9.0],[Toolchains=GNU Arm Embedded|13.2]
ZIP
7.43 MB
日本語
Application:
Appliances, Human Machine Interface (HMI)
Compiler:
GNU ARM Embedded
Function:
Evaluation Kit, HMI
IDE:
e2 studio
|
|
| Sample Code | ZIP 2.21 MB | |
| Sample Code |
[Software=RA Flexible Software Package|v5.80],[Toolchains=GNU Arm Embedded|13.2]
ZIP
3.47 MB
日本語
Application:
Home Entertainment, Human Machine Interface (HMI)
Compiler:
GNU ARM Embedded
Function:
Evaluation Kit, HMI
IDE:
e2 studio
|
|
4 items
|
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Boards & Kits
Evaluation
EK-RA4L1
Active
Evaluation Kit for RA4L1 MCU Group
The EK-RA4L1 evaluation kit enables users to seamlessly evaluate the features of the RA4L1 MCU group and develop embedded systems applications using Renesas' Flexible Software Package (FSP) and e2 studio IDE. The users can use rich onboard features along with their choice of popular ecosystem...
Recommended Documents:
Evaluation
RTK0EG0057S01001BJ
Active
Capacitive Touch Evaluation System for RA4L1
The RA4L1 capacitive touch evaluation system makes it easy for users to evaluate touch solutions offered by Renesas. You can start evaluating immediately out of the box using the board and software included in each kit.
Note: RA4L1 supports the Secure Factory Programming function. However, the...
Recommended Documents:
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:
Support
Support Communities
Get quick technical support online from Renesas Engineering Community technical staff.
Support Communities
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FreeRTOS Tickless idle mode for RA4L1
Hi, As the subject implies I'm wondering if tickless idle mode is supported for the freertos port of RA4L1? If so, are there any examples showcasing this feature for Software Standby mode?
Jul 14, 2025 -
iic0 for ra4l1
I am currently working on an I²C communication setup using the RA4L1 microcontroller. I have configured the I²C master using the Renesas Flexible Software Package (FSP), and I am testing it based on the example provided in the RA Flexible Software Package Documentation that exist here RA Flexible Software Package ...
Jul 13, 2025 -
[RA4L1]QE Capacitive Touch Tuning Stuck at Step 1/7 When r_adc Stack is Created Before rm_touch
I am currently working on a project using the RA4L1 MCU (R7FA4L1BD) with FSP version 5.9.0 and QE for Capacitive Touch version 4.1.0 (4.1.0.v20250123-0520). I encountered an issue when using QE for Capacitive Touch tuning. When I start the tuning process, it ...
Jun 15, 2025
FAQs
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Connecting 1.8V components to the RA4L1 MCUs
The RA4L1 Series MCUs support a wide operating voltage range of 1.6-3.6V. External components that operate at 1.8V can be easily connected to the RA4L1 MCUs. The RA4L1 also has a number of 5v tolerant I/O where 5v signals can be safely applied.
Feb 19, 2025 -
Termination of unused pins on the RA4L1 MCU
P200/NMI if not used should be connected to VCC through a resistor (pulling up). P212/EXTAL When the main clock oscillator is not used, set the MOSCCR.MOSTP bit to 1 (general port P212). When this pin is not used as port P212, configure it in the ...
Feb 19, 2025 -
RA4L1 Evaluation board
The Evaluation Kit, EK-RA4L1, enables users to effortlessly evaluate the features of the RA4L1 MCU group and develop embedded systems applications. The users can utilize rich on-board features along with their choice of popular ecosystems add-ons to bring their big ideas to life.The kit includes Segment ...
Feb 19, 2025
Videos & Training
RA4L1 MCU with Integrated LCD and Cap Touch Overview
The Renesas RA4L1 MCU group offers 80MHz, 32-bit microcontrollers powered by the Arm® Cortex®-M33 core with TrustZone®. These low-power, general-purpose MCUs are designed to meet the needs of applications requiring efficient energy usage, high performance, and advanced security features.
Video List
Events & Webinars
News & Blog Posts
News
Feb 27, 2025
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News
Feb 19, 2025
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Blog Post
Feb 18, 2025
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Blog Post
Oct 13, 2022
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Blog Post
Jan 28, 2022
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