The Cypherbridge SDKPac includes SDKs and toolkits to fit a wide range of embedded applications and vertical markets. SDKPac for Renesas RA is integrated with Flexible Software Package (FSP) based development kits for a total project ready solution.


  • uSSL/TLS 1.2 server and client, secure sockets
  • dHTTPS WebServer ROM file system, forms, cookies, SSI, CGI, CSS, file transfer
  • uSSH server, client, user account, and host key controls
  • IoT Device Client, TLS secure uMQTT 3.1.1 to IoT cloud service
  • uSMTP SMTP client including STARTTLS and implicit TLS, MIME binary file and telemetry attachment
  • uRADIUS client authentication and authorization with managed credentials server
  • Platform kit for EK-RA6Mx targets: network, debug port, MAC edit, NV config, system monitor, and 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
SDKPac Renesas RA Demo Kit with Silex SX-ULPGN Quick Start Guide Manual PDF 414 KB
SDKPac Renesas RA Demo Kit Quick Start Guide Manual PDF 412 KB
Cypherbridge SDKPac 日本語 Product Brief PDF 224 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