The Cypherbridge uLoadXL SDK secure boot and safe software update is a software lifecycle solution. uLoadXL for Renesas RA is integrated with Flexible Software Package (FSP) based development kits for a total project-ready solution.


  • Secure boot loader
  • Safe software update with encrypted and authenticated managed images
  • Reliability, integrity, safety, trust
  • Anti-rollback, anti-cloning, counterfeit and over-production, block malware injection, and product tampering
  • A/B image manage, install ARM and trigger, failsafe boot
  • GUI progress framework
  • Offline WSLAM software management station optional manufacturing fixture applications
  • OTA firmware update option
  • Platform kit for EK-RA6Mx targets: debug port, internal and external flash drivers, file system interface, timers, NV install log, event handlers
  • uCrypt library integrated with RA SCE (Secure Crypto Engine)
  • Supported on toolchains including e2 studio


  • IoT Cloud Edge gateways
  • Smart buildings
  • Energy metering
  • Industrial control
  • Medical devices
  • Smart white goods

Documentation & Downloads

Title language Type Format File Size Date
User Guides & Manuals
EK-RA6M4 uLoadXL Renesas RA Demo Kit Quick Start Guide Quick Start Guide PDF 626 KB
EK-RA6M2 uLoadXL Renesas RA Demo Kit Quick Start Guide Quick Start Guide PDF 350 KB
Cypherbridge uLoadXL SDK RA6M4 Solution Brief Product Brief PDF 243 KB
Cypherbridge uLoadXL™ 日本語 Product Brief PDF 243 KB

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.
e² studio IDE and Coding Tool Eclipse-based Renesas integrated development environment (IDE).
[Support MCU/MPU: RA, RE, RX, RL78, RH850, Renesas Synergy, RZ]
(Note: You need to install compiler separately as an additional software)
(Note: No separate e² studio installation required for RA FSP, this will be installed as part of the FSP with e² studio installer (Platform Installer) on GitHub.)

News & Additional Resources

Type Date Sort ascending
Renesas RA MCU Family External Link Jun 22, 2020
Cypherbridge External Link Jun 19, 2020