Ultra-low power single-chip microcontroller based on the 48-MHz Arm® Cortex®-M23 core

RA2L1 MCU Group is part of the RA2 MCU Series: It is a combination of a microcontroller with standard communication and timing peripherals, general-purpose analog, and new innovative capacitive touch sensing unit (CTSU2) with best-in-class performance. RA2L1 offers ultra-low power consumption ranked among the best in the industry using the company’s well-known low-power 110 nm process. Moreover, RA2L1 products will be fully upward compatible with other members of the RA Family to support customers with additional needs for their other application designs.

Key features

  • Designed for ultra-low power consumption in both active and standby modes
  • Higher integration support for wide operation voltage range and innovative peripherals
  • On-chip peripheral functions enable system cost reduction
  • Hardware safety and security features

Additional features

  • 48 MHz Arm® Cortex®-M23
  • 128 KB & 256 KB Flash Memory and 32 KB SRAM with ECC
  • 8 KB data flash memory (100,000 program/erase cycles)
  • Low-power asynchronous general-purpose timer
  • 32-bit & 16-bit general-purpose timers
  • 12-bit A/D & D/A converters
  • Low-power analog comparator
  • Temperature sensor
  • Enhanced capacitive touch sensing unit
  • CAN 2.0A/2.0B
  • Serial communications interfaces (UART, Simple SPI, Simple I2C)
  • SPI/I2C Multimaster interface
  • HW AES/TRNG & Unique ID
  • HW safety features for IEC/UL60730 certification
  • High current drive and 5 V tolerant I/O ports
  • ±1% highly accurate integrated HS oscillator
  • Wide operating voltage range: 1.6…5.5 V
  • EEMBC ULP Mark certified score of 299
  • Down to 64 uA/MHz in Active Mode, 250 nA in Software Standby Mode
  • Flexible power architecture with fast wake up
  • Best-in-class HAL driver code
  • Support Arm® ecosystem and Renesas original development tool
  • QFN 48, QFP-100, 80, 64, 48 pin package
  • Operating ambient temperature (Ta): -40…105 °C


About The Author

Muhammad Bilal

I am a highly skilled and motivated individual with a Master's degree in Computer Science. I have extensive experience in technical writing and a deep understanding of SEO practices.

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