The MultiZone® IoT Firmware is the quick and safe way to build secure IoT applications with RA6M3 microcontrollers. It provides secure access to IoT clouds, real-time monitoring, secure boot, and remote firmware updates. The built-in Trusted Execution Environment provides hardware-enforced separation to shield the execution of trusted applications from untrusted third-party libraries.


  • Fully integrated with Renesas e2 studio and Flexible Software Package (FSP)
  • Safe and quick way to add high-grade security and separation — Up to 4 "secure worlds"
  • Rapid development: Pre-integrated TEE, TLS/ECC, TCP/IP, MQTT, RTOS, FSP
  • Easy retrofit of existing hardware and software — No need for a system redesign
  • Convenient MPU based alternative to an Arm® TrustZone® upgrade
  • Convenient software license priced per design — No royalties, no GPL contamination


  • IoT
  • Healthcare
  • Metering
  • Industrial
  • Connectivity
  • Building automation


Title language Type Format File Size Date
star HEX Five MultiZone® Secure IoT Firmware Product Brief PDF 325 KB
MultiZone IoT Firmware Reference Manual Manual - Development Tools PDF 1.71 MB
MultiZone® IoT Firmware Quick Start Guide Quick Start Guide PDF 321 KB


Title language Type Format File Size Date
MultiZone Secure IoT Firmware e² studio project Software & Tools - Other ZIP 8.44 MB

select_allSoftware & Tool Pages

Title Type Description Company
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.)
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.

printNews & Additional Resources

Type Date Sort ascending
Hex Five MultiZone Security for Arm External Link Oct 29, 2020
Renesas RA MCU Family External Link Jun 23, 2020