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 Other Languages Type Format File Size Date
User Guides & Manuals
uLoadXL Renesas RA Demo Kit Quick Start Guide Manual PDF 350 KB
Cypherbridge uLoadXL™ 日本語 Product Brief PDF 243 KB

Software / Tools

Title Type Description Company
Flexible Software Package (FSP) Software Package The Renesas RA Flexible Software Package (FSP) provides a quick and versatile way to build secure connected Internet of Things (IoT) devices using the Renesas RA Family of Arm microcontrollers (MCUs). FSP provides production ready peripheral drivers, FreeRTOS and middleware stacks to take advantage of the FSP ecosystem. 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) Renesas

News & Additional Resources