The new R7F0E Embedded Controller is the first device based on Renesas’ SOTB technology. You can now design applications that need no battery or recharging.


 R7F0E Applications

Battery-free connected IoT sensing devices with endpoint intelligence in industrial, business, residential, agricultural, healthcare, and public infrastructure, as well as health and fitness apparel, shoes, wearables, smart watches, drones and more.


 R7F0E Major features

  • CPU:Arm® Cortex® -M0+
  • Operating frequency: Up to 32 MHz, and up to 64 MHz in boost mode
  • Memory: Up to 1.5 MB flash, 256 KB SRAM
  • Current consumption while operating at 3.0V
    • Active: 20 µA/MHz
    • Deep Standby: 150 nA with real-time clock source and reset manager
    • Software Standby: 400 nA with retention of core logic and 32 kB SRAM data, real-time clock source, reset manager
    • SRAM data retention consumes 1nA per KB of SRAM, optionally up to 256KB
  • Energy Harvesting Controller (EHC): Interface for direct robust connection to energy generating devices, and for charge management of energy storage devices
  • Analog-to-Digital Converter (ADC): 14-bit, 32KHz operation frequency, 3uA consumption
  • Graphics: 2D graphics data conversion and MIP display interface
  • Security and Encryption: True random number generator, a unique ID for each R7F0E device, AES encryption acceleration
  • Packages: 100LQFP/144LQFP/156WLBGA



  • Driver libraries based on CMSIS standard
  • Software development support
    • IAR Embedded Workbench, C/C++
    • Renesas e2 studio, GNU GCC
    • Segger J-Link
  • Evaluation Kit: RTK70E15DC02000BJ



  • Engaging select customers through July 2019
  • Mass production 4Q19
  • Please contact your Renesas sales representative for more information