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This RZ/A3UL software package helps speed up time to market.
Please refer following documents to learn how to use this software package.

RZA3LU Software Package

SW Package

Software Package


Evaluation Board

Evaluation-Board Kit


Development Environment

e2 studio, GCC


GUI Development Tool

Guiliani EvalKits

The RZ/A3UL software development kit is a software development kit that supports various functions of RZ/A3UL such as camera input and LCD output. It provides the Flexible Software Package and RZ/A3UL Evaluation Board Kit to help users quickly develop embedded systems with RZ/A3UL. Also supports users' HMI development by providing TES Electronics' GUI tool Guiliani.

 * RZ/A3UL Evaluation Board Kit needs to be purchased separately.

The Prepaid by Renesas Guiliani Lite License for Guiliani Evaluation Kits

You can obtain an additional Guiliani-Lite production license key from TES. This license is free of charge for Renesas RZ/A users. With this license, you are able to produce state-of-the-art HMI applications for production use. The Lite version of Guiliani is fully featured and only has small limitations on usable resources (number of images, dialogs, fonts, etc.) and hardware acceleration. To get the Prepaid by Renesas Guiliani-Lite license, please refer to TES Guiliani.

RZ/A3UL Evaluation Board Kit supports real-time OSs (FreeRTOS, Azure RTOS) and various libraries (SSL/TLS, OTA, MQTT, TCP/IP, etc.) for IoT devices provided by major cloud vendors such as Amazon Web Services (AWS) and Microsoft. Microsoft device certifications give you the confidence to start development immediately.
In addition, it is equipped with input/output interfaces such as HDMI, audio, Ethernet, USB, and CAN, and can realize high-level IoT systems.


  • By linking with the intuitive configurator of "e2 studio", which is a software-integrated development environment, and the code generation function, it is possible to proceed with real-time system development efficiently and quickly.
  • Support both RTOS applications and bare metal applications.
  • RZ/A3UL Evaluation Board Kit is a certified device in Azure Certified Device Catalog.

Release Information

  • RZ/A Flexible Software Package V2.0.2 released (Feb. 29, 2023)
  • RZ/A Flexible Software Package V2.0.1 released (Sep. 29, 2023)
  • RZ/A Flexible Software Package V2.0.0 released (Jun. 30, 2023)
  • RZ/A Flexible Software Package V1.2.1 released (Apr. 14, 2023)
  • RZ/A Flexible Software Package V1.2.0 released (Dec. 28, 2022)
  • RZ/A Flexible Software Package V1.1.0 released (Sep. 30, 2022)
  • RZ/A Flexible Software Package V1.0.0 released (Jul. 28, 2022)

Target Devices


Type Title Date
Quick Start Guide PDF 9.00 MB
Manual - Software
Application Note PDF 234 KB
Release Note PDF 153 KB
Application Note PDF 1.62 MB
Release Note PDF 205 KB
6 items

Design & Development

Sample Code

RZ/A FSP Azure RTOS Project - Getting Started

This video introduces how to create an Azure RTOS project using the RZ/A Flexible Software Package. And, as an example of Azure RTOS settings, it introduces how to change the project configuration and control LED with button operations.

00:00 Opening
00:20 Board and software information
00:50 Create Azure RTOS project
04:58 Modify the project configuration

Related software and tools:

Additional Details

Operating Environment

Integrated development environmente2 studio Integrated Development Environment, default toolchain is GCC Arm Embedded
Supported boardRZ/A3UL Evaluation Board Kit
EmulatorSEGGER (J-Link Series), KMC (PARTNER-Jet2)


Support Driver Software

Azure RTOS   check
Memory I/FROMQSPIQSPI / OctaFlash™(*2)
Debugger SEGGER(*3) / KMC(*4)
DriverRZ/A Initial Program Loader (IPL)checkcheckcheckcheck
Board Support Package (BSP) for FSPcheckcheckcheckcheck
General Timer (GTM)checkcheckcheckcheck
IRQ (External interrupt)checkcheckcheckcheck
Image Scaling Unit (ISU)   check
Camera Data Receiving Unit (CRU)checkcheckcheckcheck
SDHI  checkcheck
USB 2.0 Host (HID) / (MSC) check(HID)check(HID / MSC)check(HID / MSC)
USB 2.0 Function (CDC)  check(CDC)check(CDC)
I2C (master/slave)check(master)check(master)check(master / slave)check(master / slave)
SCIFA (UART)checkcheckcheckcheck
Renesas Serial Peripheral Interface (RSPI)checkcheckcheckcheck
CAN FD Interface (RS-CANFD)  checkcheck
General Purpose Input Output Port (GPIO)checkcheckcheckcheck
SSI (I2S) (master/slave)check(master)check(master)check(master / slave)check(master / slave)
Watchdog Timer (WDT) checkcheckcheck
A/D Converter checkcheckcheck
MTU3a  checkcheck
SCIg  checkcheck

(*1) : FreeRTOS™ is a trademark of Amazon Web Services, Inc.
(*2) : OctaFlash™ is a trademark of Macronix International Co, Ltd.
(*3) : https://www.segger.com/ (J-LINK)
(*4) : https://www.kmckk.co.jp/ (PARTNER-Jet2)