Low power, Fast wake-up and Capacitive Touch
The RA2 Series is the RA Family's entry-level 32-bit MCU, offering excellent cost, performance, and ultra-low power consumption. It delivers up to 48MHz of CPU performance using an Arm® Cortex®-M23 core with up to 256KB of embedded flash memory and a wide single voltage supply range from 1.6V to 5.5V. With cutting-edge peripherals like high accuracy analog and capacitive touch sensing, the RA2 Series is ideal for system control or user interface applications such as healthcare devices, home appliances, office equipment, and measuring equipment.
Benefits
- RA2 Series use Arm cortrex-M23 core which most compact and efficient Cortex-M implementation based on ARMv8-M architecture profile offering high code density, low gate count, Thumb-2 instruction set, and hardware divide features.
- Large product lineup is from 16 up to 100 pin and Flash memory size starting from 16KB up to 256KB, including some very small package options, including QFN, LGA, BGA and smallest WLCSP
- Best-in class Active/Standby power consumption for Arm® Cortex®-M23 microcontroller
- On-chip analog components include a high accuracy 16-bit ADC, 24-bit sigma-delta ADC, fast response 12-bit DAC, rail-to-rail low-offset operational amplifiers, and high-speed/low-power comparators
- Reduced cost with on-chip peripheral functions, including high precision (1.0%) high-speed oscillator, temperature sensor, 5V tolerant ports and background operation data flash supporting 1 million erase/program cycles
- Enhanced capacitive touch sensing unit (CTSU) with high sensitivity and high noise immunity that realizes intuitive, high-quality HMI designs
- Various communication interfaces such as USB, CAN and I3C, which support IoT applications
Renesas RA2E1 group
48MHz Arm® Cortex®-M23 Entry Line General Purpose Microcontroller
The RA2E1 group is RA Family’s entry line single-chip microcontroller based on the 48-MHz Arm® Cortex®-M23 core and up to 128-KB code flash and 16-KB SRAM memory. The optimized processing and Renesas’s low power process technology make it the industry's most energy-efficient Ultra-Low Power. The RA2E1 group supports a wide operating voltage range of 1.6V to 5.5V and a large selection of packages such as LQFP, QFN, LGA, BGA and WLCSP. The RA2E1 provides pin and peripheral compatibility with RA2L1 group, is ideal for battery-operated applications and other systems requiring high performance and low-energy consumption in space constrained applications.
Key features
- 48MHz Arm® Cortex®-M23
- Up to 128kB Flash Memory and 16kB SRAM
- 4kB Data Flash to store data as in EEPROM
- Scalable from 25pin to 64pin packages
- Wide operating voltage range of 1.6V to 5.5V
- Enhanced Capacitive Touch Sensing Unit (CTSU)
- 12-bit ADC, LPACMP, Temperature Sensor
- 32-bit General PWM Timer, 16-bit General PWM Timer, Low power Asynchronous General Purpose Timer
- RTC
- SCI (UART, Simple SPI, Simple I2C)
- SPI/ I2C multi-master interface
- Safety
- Security and encryption
- A large selection of packages (LQFP, QFN, LGA, BGA, WLCSP)
Applications
- General purpose
- Consumer applications
- Home appliances
- Industrial automation
- Building automation
- Medical & healthcare
Renesas RA2E2 group
48MHz Arm® Cortex®-M23 Entry Line General Purpose Microcontroller
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 ultra-low power operation and high speed serial communication with smallest package options of 20-pin and 24-pin QFN and 16-pin wafer-level CSP package, satisfying the needs of cost-sensitive and space-constrained applications. These RA2E2 Group microcontrollers 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
- 48MHz Arm® Cortex®-M23
- Up to 64kB Flash Memory and 8kB SRAM
- 2kB Data Flash to store data as in EEPROM
- Scalable from 16-pin to 24-pin packages
- Wide operating voltage range of 1.6V to 5.5V
- Best-in-class Active/Standby power consumption in Arm Cortex-M23 microcontroller
- 12-bit ADC, Temperature Sensor
- 16-bit General PWM Timer, 32-bit Low power Asynchronous General Purpose Timer
Applications
- General purpose
- IoT devices
- Industrial automation, industrial sensors
- Portable consumer devices
- Home appliances
- Building automation
- Medical & healthcare
- Wearable devices
Renesas RA2L1 group
48MHz ArmⓇ CortexⓇ-M23 Ultra-Low power General Purpose Microcontroller
The RA2L1 group is based on the Arm® Cortex®-M23 core, the most energy-efficient CPU among Arm Cortex-M today. The optimized processing and Renesas’ low power process technology makes it the industry's most energy-efficient ultra-low power microcontroller. The RA2L1 group supports a wide operating voltage range of 1.6V to 5.5V, and a maximum CPU clock frequency of 48MHz, lower active mode current and standby mode current. The RA2L1 group also features an enhanced Capacitive Touch Sensing Unit (CTSU2), a set of serial communication interfaces, highly accurate converters and timers. The products are available with pin counts ranging from 48-pin to 100-pin.
Key features
- 48MHz Arm® Cortex®-M23
- 128kB/256kB Flash Memory and 32kB SRAM with ECC
- 8kB Data Flash to store data as in EEPROM
- Scalable from 48-pin to 100-pin packages
- Internal voltage regulators
- Enhanced Capacitive Touch Sensing Unit (CTSU2)
- 12-bit ADC, 12-bit DAC, LPACMP
- 32-bit general PWM timer, 16-bit general PWM timer, low power asynchronous general purpose timer
- RTC
- SCI (UART, Simple SPI, Simple I2C)
- SPI/I2C multi-master interface
- CAN
- Safety
- Security and encryption
Applications
- Consumer applications
- Home appliances
- Industrial automation
- Building automation
- Medical and healthcare
- General purpose
Renesas RA2A1 group
60MHz ARM Cortex M23 with Integration of 24-bit Sigma Delta ADC
The RA2A1 group uses the high-performance Arm® Cortex®-M23 core and offers highly integrated, high-accuracy analog capabilities and therefore offers complete MCU with analog solution for signal conditioning and measurement. The RA2A1 Group supports a wide operating voltage range of 1.6V to 5.5V. It includes 16-bit SAR ADC, 24-bit Sigma Delta ADC, comparators, operational amplifiers, and DACs. The RA2A1 MCU targets cost sensitive and low power Industrial sensor applications where high resolution analog will become a cost benefit.
Key features
- 48MHz Arm® Cortex®-M23
- 256kB Flash Memory and 32kB SRAM
- 8kB DataFlash to store data as in EEPROM
- Scalable from 32pin to 64pin Packages
- Capacitive Touch Sensing Unit 16bit-SAR A/D, 24bit-SD A/D
- 12bit-D/A, 8bit-D/A
- OPAMP (3ch), ACMP-HS/LP
- USB2.0 Full Speed
- CAN 2.0
- SCI (UART, Simple SPI,Simple I2C)
Applications
- Industrial Automation (Photoelectric Sensor, Fiber Sensor, Temperature Sensor)
- Process Automation (Pressure Sensor, Flow control meter, Single Phase Meter)
- Building Automation/Home Appliance (Smoke Detector)
- Healthcare (Pulse Oximeters, Body Composition Measurement)
- General Purpose