Summary of RENESAS RA2L1 ULTRA-LOW POWER SINGLE-CHIP MICROCONTROLLER
The RA2L1 MCU is a 48-MHz Arm Cortex-M23 microcontroller designed for ultra-low power consumption using a 110 nm process. It features high integration with capacitive touch sensing, hardware security, and flexible I/O options. Compatible with the broader RA Family, it supports wide voltage ranges and offers robust peripherals for cost-effective embedded designs.
Parts used in the RA2L1 Microcontroller Project:
- 48-MHz Arm Cortex-M23 core
- 128 KB or 256 KB Flash Memory
- 32 KB SRAM with ECC
- 8 KB data flash memory
- Capacitive touch sensing unit (CTSU2)
- CAN 2.0A/2.0B interface
- UART, Simple SPI, and Simple I2C interfaces
- HW AES/TRNG and Unique ID modules
- ±1% integrated HS oscillator
- QFN 48, QFP-100, 80, 64, and 48 pin packages
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
Read more: RENESAS RA2L1 ULTRA-LOW POWER SINGLE-CHIP MICROCONTROLLER
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What is the core speed of the RA2L1 microcontroller?
The RA2L1 is based on a 48 MHz Arm Cortex-M23 core. -
Does the RA2L1 support capacitive touch sensing?
Yes, it includes an innovative capacitive touch sensing unit (CTSU2). -
How much flash memory does the device contain?
It offers either 128 KB or 256 KB of Flash Memory. -
What is the lowest current consumption in standby mode?
The device consumes down to 250 nA in Software Standby Mode. -
Can the RA2L1 be used with other RA Family members?
Yes, RA2L1 products are fully upward compatible with other members of the RA Family. -
Does the microcontroller include hardware security features?
Yes, it includes HW AES/TRNG, Unique ID, and safety features for IEC/UL60730 certification. -
What operating voltage range does the RA2L1 support?
It supports a wide operating voltage range from 1.6 V to 5.5 V. -
Is there a temperature sensor included on the chip?
Yes, a temperature sensor is listed as one of the additional features.
