Renesas RA2E2
RA Family’s entry line single-chip microcontroller based on the 48-MHz Arm® Cortex®-M23 core with Renesas innovative on-chip peripheral functions

The RA2E2 group is RA Family’s entry line single-chip microcontroller based on the 48-MHz Arm® Cortex®-M23 core with Renesas innovative on-chip peripheral functions. RA2E2 group offers the ultra-low power operation with smallest package options of 20pin, 24pin QFN and 16pin wafer-level CSP package, satisfying the needs of cost-sensitive and space-constrained applications. These RA2E2 group enable extremely cost-effective designs for IoT sensor nodes, portable devices, industrial control, and any battery-operated application that requires developers to cut power consumption, cost and space.
Key features
- Optimized peripheral functions for cost-sensitive applications
- The versatility and low power make it applicable in a wide range of applications
- The small size packages enable designers to use it in space-constrained designs
- Upgrade path with hardware and software scalability
Additional features
- 48MHz Arm® Cortex®-M23
- Up to 64KB Flash Memory and 8kB SRAM
- 2-KB data flash memory (100,000 program/erase (P/E) cycles)
- 16bit General Purpose Timers
- 32bit Low Power Asynchronous General Purpose Timer
- 12bit A/D Converter
- Temperature sensor
- Scalability from 16pin to 24pin
- Serial Communications Interface (UART, Simple SPI, Simple I2C)
- SPI interface
- I3C bus interface
- HW AES / TRNG & Unique ID
- HW Safety features for IEC/UL60730 certification
- High current drive & 5V tolerant IO ports
- +-1% High Accurate Hign speed on-chip oscillator
- Wide voltage range: 1.6V – 5.5V
- Flexible power architecture with Fast wake up
- Best-in class HAL driver code
- Support Arm ecosystem and Renesas original development tool
- Smallest package options (16pin WLCSP, 20,24pin HWQFN)
- Ta = -40℃ to +125℃ support
Applications
- System control for HA
- Power management for battery applications
- User interface for medical/health care devices
- Sensor management for detectors
Available Tools
- IDE
- Renesas e2Studio
- Keil MDK
- IAR Embedded Workbench
- Compiler
- GNU
- Keil
- IAR Systems
- Software Support
- FSP (Flexible Software Package)
- Smart Configurator
- Driver selection
- Intelligent Pin Mapping
- On Chip Debug
- Renesas E2 Emulator / E2 Emulator Lite
- Segger J-Link
- Evaluation Boards
- EK-RA2E2 including on-chip debugger (P/N RTK7EKA2E2S00001BE)
Related partsBuy online and see data sheets:
|
Do you have a Question?
Contact EBV
If you need any assistance, please click below to find your closest EBV sales office.

Links and documents |
Related markets |
Related technologies |