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
  • Over-the-Air (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 Secure Crypto Engine (SCE)
  • Supported on toolchains including e2 studio




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


Software & Tool Pages

Software title
Software type
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
Eclipse-based Renesas integrated development environment (IDE). [Support MCU/MPU: RA, RE, RX, RL78, RH850, Renesas Synergy, RZ]
IDE and Coding Tool Renesas
2 items


Type Title Date
Product Brief PDF 243 KB 日本語
Product Brief PDF 243 KB
Quick Start Guide Log in to Download PDF 626 KB
Quick Start Guide Log in to Download PDF 350 KB
4 items
Cypherbridge SDKPac™ and uLoadXL™

The Cypherbridge uLoadXL secure boot and safe software update software solution is integrated with the RA FSP and the SDKPac toolkit for RA Family devices.