Excellent power/high-performance mix and Security
The RA4 Series bridges the need for reasonable low power with the demand for connectivity and performance. These MCUs deliver up to 100MHz of CPU performance using an Arm® Cortex®-M33 core or M4 core with up to 1MB of embedded flash memory. The series offers a wide set of peripherals, including USB, CAN/CAN FD, I3 C, ADC, Bluetooth Low Energy 5.0, capacitive touch, segment LCD controller, and additional security IP integration, making it suitable for IoT, industrial equipment, home appliances, office equipment, healthcare products, and meters.
Benefits
- Secure element functionality providing better performance, unlimited secure key storage, key management, and lower BOM cost
- High-performance and low power at the same time with 81μA/MHz while running the CoreMark® algorithm from flash at 100MHz
- High-integration up to 1MB code flash memory with background operation and flash block SWAP operation for flexible and memory optimized firmware updates, 8KB data flash memory, and 128KB SRAM with Parity/ECC
- Rich connectivity with Bluetooth 5.0, USB 2.0 Full-Speed, CAN/CAN FD, SDHI, QSPI, I2C, I3C, HDMI-CEC, and advanced analog
- Wide range of compact BGA packages available for applications where space is at a premium
Renesas RA4C1 group
80MHz Arm® Cortex®-M33 Based Low-Power MCU with TrustZone, Segment LCD Controller and Advanced Security
The Renesas RA4C1 32-bit MCU group features the low-power, Arm® Cortex®-M33 (CM33) core with TrustZone® to deliver an ideal balance of low voltage operation, low power consumption, and high performance. The RA4C1 offers operation down to 1.6V, combined with a low-power standby current of as little as 1.73µA and a multitude of low-power features enabling the user to dynamically optimize power/performance to their application requirements.
The RA4C1 integrates an advanced security engine offering isolation from improper access from the CPU or a debugger, and offers a 128-bit unique ID, secure key management, and acceleration for AES, ECC, and SHA algorithms. This security feature secures data from cyberattacks and complies with the latest legislation.
Many low-power features are included in the RA4C1 MCUs, such as segment LCD display drive, RTC with a high-precision mode, ADC, and timers, as well as integrated communications interfaces such as CAN FD, I2C, SPI, and low-power UARTs. All these built-in features make the RA4C1 MCUs ideal for metering applications such as power, gas, and water meters, as well as many industrial automation, home appliances, smart home, consumer, and building/home automation applications.
The RA4C1 comes in a range of 64-pin or 100-pin LQFP packages and offers support for operating temperatures of -40°C to 105°C. The RA4C1 MCUs are fully supported by the Renesas Flexible Software Package and a comprehensive set of hardware and software development tools.
Key features
- 80MHz Arm® Cortex®-M33 with TrustZone
- 512KB dual bank flash supporting BGO
- 96KB SRAM with 64KB parity and 32KB ECC
- 8KB data flash
- 168µA/MHz active current, 1.73µA standby current
- Fast wake-up <3.5µS (from MOCO)
- 6 SCI (UART, Simple SPI, Simple I2C), SSI
- 2 x low-power UARTs with 32kHz support
- 2 x I2C multi-master interface
- 3 x SPI interfaces
- CAN FD
- Quad SPI with XIP
- 32-bit and 16-bit timers, 32-bit ultra-low power timers
- 2 x watchdog timer
- High-precision Real-Time Clock (RTC)
- 12-bit ADC
- Temperature sensor with 1% accuracy
- 8 x 44 segment LCD drive
- Advanced security engine with support for: TRNG, Unique ID, AES, ECC, SHA
Applications
- Utility meters
- Consumer
- Smart home and building automation
- Office automation
- Voice AI application
Renesas RA4E1 group
100MHz Arm® Cortex®-M33, Entry-Line with Balanced Low Power Consumption
The Renesas RA4E1 group of 32-bit microcontrollers (MCUs) uses the high-performance Arm® Cortex®-M33 core with TrustZone. The RA4E1 is built on a highly efficient 40nm process and is supported by an open and flexible ecosystem concept—the Flexible Software Package (FSP) —and is the perfect entry point into the RA Family of microcontrollers. The RA4E1 is suitable for entry IoT applications requiring value optimized feature and connectivity integration, total system cost reduction and an optimized mixture of high performance with 100 MHz Cortex-M33 Core in combination with lowest active power consumption down to 81µA/MHz running the CoreMark® algorithm from Flash.
Key features
- 100MHz Arm® Cortex®-M33 with TrustZone
- 256kB - 512kB Flash memory and 128kB SRAM
- 8kB Data Flash to store data as in EEPROM
- 1kB Stand-by SRAM
- Scalable from 48-pin to 64-pin packages
- USB 2.0 Full Speed
- CAN 2.0B
- Quad SPI
- SCI (UART, Simple SPI, Simple I2C)
- SPI/I2C multi-master interface
Applications
- General purpose
- Home Appliances (Smart Coffee Machine)
- Smart Home and Building Automation (Voice command, Smart IoT Air Filter)
- Industrial sensor hub with for flow, humidity, temperature, etc.
- Home entertainment (housekeeping MCU)
Renesas RA4E2 group
Entry-Line 100MHz Arm® Cortex®-M33 General Purpose Microcontroller
The RA4E2 group is the newest entry-line microcontroller in the RA4 series based on the 100 MHz Arm® Cortex®-M33 core with TrustZone. RA4E2 MCUs offer high-performance and optimized peripheral functions along with the smallest package options including space saving 36-pin BGA and 32-pin QFN packages. These satisfy the needs of both cost-sensitive and space-constrained applications. The RA4E2 provides an entry point to the wider RA family due to its well-balanced performance, advanced peripheral functions, and scalability.
Key features
- 100MHz Arm® Cortex®-M33 with TrustZone
- 128KB Flash memory and 40KB SRAM
- 4KB Data Flash to store data as in EEPROM
- 1KB Standby SRAM
- Scalable from 32-pin to 64-pin packages
- USB 2.0 Full Speed
- CAN FD, I3C
- HDMI CEC, SSI
- 12-bit A/D Converter
- 12-bit D/A Converter
- General PWM Timer
Applications
- General purpose
- Sensor applications (Healthcare, Industrial, Wearable)
- Home appliances
- Entertainment systems
- Gaming, Headset control
Renesas RA4L1 group
80MHz Arm® Cortex®-M33 Based Low Power MCU with TrustZone, Segment LCD Controller and Advanced Security
The Renesas RA4L1 MCU group features low-power, 32-bit microcontrollers (MCUs) based on the Arm® Cortex®-M33 (CM33) core with TrustZone®, delivering an ideal balance of low voltage operation, low power consumption, and high performance. The RA4L1 offers operation down to 1.6V combined with a low-power standby current of as little as 1.65µA and a multitude of low-power features enabling the user to dynamically optimize power/performance to their application requirements.
These MCUs include low-power features such as segment LCD display drive and an advanced security engine, as well as RTC, ADC, and timers. These MCUs integrate communications interfaces such as CAN FD, USB 2.0 FS without the need of a crystal, I2C/I3C, and low-power UARTs making these devices ideal for many industrial automation, home appliances, smart home, consumer, building/home automation, and medical/healthcare applications.
The RA4L1 comes in a wide variety of standard LQFP and QFN package options as well as a range of space-saving BGA and CSP options and offers support for operating temperatures of -40 °C to 125 °C. The RA4L1 MCUs are fully supported by the Renesas Flexible Software Package and a comprehensive set of hardware and software development tools.
Key features
- 80MHz Arm® Cortex®-M33 with TrustZone
- 512KB dual bank flash supporting BGO
- 64KB SRAM with 32KB parity and 32KB ECC
- 8KB data flash
- 168µA/MHz active current, 1.65µA standby current
- Fast wake-up <3.5µS (from MOCO)
- 6 SCI (UART, Simple SPI, Simple I2C)
- 2 low-power UARTs with 32kHz support
- SPI/I2C multi-master interface
- I3C interface
- USB 2.0 FS
- CAN FD
- Quad SPI with XIP
- 32-bit and 16-bit timers, 32-bit ultra-low power timers
- 2 x watchdog timer
- Real-Time Clock (RTC)
- 12-bit ADC and 12-bit DAC
- Low-power analog comparator
- Temperature sensor
- 8 x 48 segment LCD drive
- 12-channel capacitive touch
- Serial Sound Interface (SSI)
- Advanced security engine with support for: TRNG, Unique ID, AES, ECC, and SHA
Applications
- Industrial applications
- Consumer products
- Smart home, building automation
- Office automation
- Healthcare and medical systems
- Voice AI applications
- IoT sensor
Renesas RA4M1 group
48MHz ARM® Cortex®-M4 with LCD controller and Cap Touch for HMI
The Renesas RA4M1 group uses the high-performance Arm® Cortex®-M4F core and offers a Segment LCD Controller and a Capacitive Touch Sensing Unit input for intensive HMI designs. The RA4M1 is built on a highly efficient low power process and is supported by an open and flexible ecosystem concept—the Flexible Software Package (FSP), built on FreeRTOS—and is expandable to use other RTOSes and middleware. The RA4M1 is suitable for applications where a large amount of Capacitive Touch channels and a Segment LCD controller are required.
Key features
- 48MHz Arm® Cortex®-M4F
- 256kB Flash Memory and 32kB SRAM
- 8kB DataFlash to store data as in EEPROM
- Scalable from 40pin to 100pin Packages
- Segment LCD Controller
- 14-bit A/D Converter
- Capacitive Touch Sensing Unit
- USB2.0 Full Speed
- CAN 2.0B
- SCI (UART, Simple SPI, Simple I2C)
- SPI/ I2C Multimaster Interface
Applications
- HMI with Seg/Com LCD display
- Security (Fire Detection, Burglar Detection, Panel Control)
- Industry (Door Openers, Panel Control)
- HVAC (Heating, Air Conditioning, Boiler Control)
- Home Appliance
- General Purpose
Renesas RA4M2 group
100MHz Arm® Cortex®-M33 TrustZone®, High Integration With Lowest Active Power Consumption
The Renesas RA4M2 group of 32-bit microcontrollers (MCUs) uses the high-performance Arm® Cortex®-M33 core with TrustZone. In concert with the secure crypto engine, it offers secure element functionality. The RA4M2 is built on a highly efficient 40nm process and is supported by an open and flexible ecosystem concept—the Flexible Software Package (FSP), built on FreeRTOS—and is expandable to use other RTOSes and middleware. The RA4M2 is suitable for IoT applications requiring vast communication options, future proof security, large embedded RAM, and low active power consumption down to 81µA/MHz running the CoreMark® algorithm from Flash.
Key features
- 100MHz Arm® Cortex®-M33 with TrustZone
- Secure element functionality
- 256kB - 512kB Flash memory and 64kB SRAM with parity and 64kB SRAM with ECC
- 8kB Data Flash to store data as in EEPROM
- 1kB Stand-by SRAM
- Scalable from 48-pin to 100-pin packages
- Capacitive touch sensing unit (CTSU)
- USB 2.0 Full Speed
- CAN 2.0B
- Quad SPI
- SCI (UART, Simple SPI, Simple I2C)
- SPI/I2C multi-master interface
- SDHI and MMC
Applications
- Enhanced security (fire detection, burglar detection, panel control)
- Metering (electricity, automated meter reading)
- Industry (robotics, door openers, sewing machines, vending machines, UPS)
- HVAC (heating, air conditioning, boiler control)
- General purpose
Renesas RA4M3 group
100MHz Arm® Cortex®-M33 TrustZone®, High Integration with Rich Connectivity
The Renesas RA4M3 group of 32-bit microcontrollers (MCUs) uses the high-performance Arm® Cortex®-M33 core with TrustZone. In concert with the secure crypto engine, it offers secure element functionality. The RA4M3 is built on a highly efficient 40nm process and is supported by an open and flexible ecosystem concept—the Flexible Software Package (FSP), built on FreeRTOS—and is expandable to use other RTOSes and middleware. The RA4M3 is suitable for IoT applications requiring vast communication options, future proof security, large embedded RAM, and low active power consumption down to 119µA/MHz running the CoreMark® algorithm from Flash.
Key features
- 100MHz Arm® Cortex®-M33 with TrustZone
- Secure element functionality
- 512kB - 1MB Flash memory and 64kB SRAM with parity and 64kB SRAM with ECC
- 8kB Data Flash to store data as in EEPROM
- 1kB Stand-by SRAM
- Scalable from 64-pin to 144-pin packages
- Capacitive touch sensing unit (CTSU)
- USB 2.0 Full Speed
- CAN 2.0B
- Quad SPI
- SCI (UART, Simple SPI, Simple I2C)
- SPI/I2C multi-master interface
- SDHI and MMC
Applications
- Enhanced security (fire detection, burglar detection, panel control)
- Metering (electricity, automated meter reading)
- Industry (robotics, door openers, sewing machines, vending machines, UPS)
- HVAC (heating, air conditioning, boiler control)
- General purpose
Renesas RA4T1 group
100MHz Arm® Cortex®-M33 TrustZone®, High Integration With Lowest Active Power Consumption
The RA4T1 group offers an optimized peripheral for motor control and inverter control functions with small 32-pin QFN and LQFP package options. These satisfy the needs of high-performance, cost-sensitive and space-constrained applications.
The RA4T1 integrates a wide range of communication interfaces, including CAN FD, I3C, SCI and SPI, covering all the connectivity needs of a wide range of motor control and consumer applications.
Key features
- 100MHz1 Arm® Cortex®-M33 core with TrustZone®
- 128KB – 256KB Flash memory and 40KB SRAM
- 4KB Data Flash to store data as in EEPROM
- Scalable from 32-pin to 64-pin packages
- PWM Timer
- 12-bit A/D Converter
- Programmable gain amplifier
- High-speed comparator
- 12-bit D/A Converter
- Trigonometric Function Unit
- CAN FD
- I3C, SCI, SPI
Applications
- Vacuum cleaner
- Washing machine
- Refrigerator
- IH cooker
- Fan
- Pump
- Thermal printer
- Power tools
Renesas RA4W1 group
48MHz Bluetooth® 5.0 Low Energy Single Chip MCU from RA4 Series
The Renesas RA4W1 is the first Bluetooth® 5.0 Low Energy fully compliant with 2Mbit High-Throughput (HT) and Long Range support in a single chip MCU of Renesas RA4 product series for IoT applications that require a high-performance Arm® Cortex®-M4 core at a very attractive price point. The RA4W1 is built on a highly efficient low power process and is supported by an open and flexible ecosystem concept, called Flexible Software Package (FSP), using FreeRTOS as base. RA4W1 is geared towards IoT application requiring Security, large embedded RAM and low power consumption.
Key features
- 48MHz Arm® Cortex®-M4
- 512kB Flash Memory and 96kB SRAM
- 8kB Data Flash to store data as in EEPROM
- 7x7 mm QFN 56-pin package
- Capacitive touch sensing unit
- Segment LCD controller
- USB 2.0 Full Speed module supporting host and device mode
- CAN 2.0B
- SCI (UART, Simple SPI, Simple I2C)
- SPI/ I2C multimaster interface
- 2.4 GHz radio with Bluetooth 5.0 Low Energy
- LE 1M, 2M, Coded PHY, and LE advertising extension
- Secure Crypto Engine (AES128 / 256, GHASH, TRNG)
Applications
- Security (fire detection, burglar detection, panel control)
- Metering (electricity, automated meter reading)
- Industry (robotics, door openers, sewing machines, vending machines, UPS)
- Health and wearables body sensors
- Smart home and remote control toys
Resources
- RA4C1 group
- RA4E1 group
- RA4E2 group
- RA4L1 group
- RA4M1 group
- RA4M2 group
- RA4M3 group
- RA4T1 group
- RA4W1 group
- RA4C1 group
- RA4E1 group
- RA4E2 group
- RA4L1 group
- RA4M1 group
- RA4M2 group
- RA4M3 group
- RA4T1 group
- RA4W1 group
Meet RA MCUs for Motor Control
Renesas RA delivers scalable Arm‑based performance with power efficiency, fast development, and simple migration from RA2T to RA8T.