Features
- 120MHz Arm® Cortex®-M4
- 1MB - 2MB Flash memory and 640kB SRAM
- 64kB Data Flash to store data as in EEPROM
- Scalable from 100-pin to 176-pin packages
- Ethernet controller with DMA
- TFT controller/2D accelerator/JPEG decoder
- Capacitive touch sensing unit
- USB 2.0 Full Speed/USB High Speed
- CAN 2.0B
- SCI (UART, Simple SPI, Simple I2C)
- SPI/I2C multimaster interface/SDHI
Description
The Renesas RA6M3 group of microcontrollers (MCUs) uses the high-performance Arm® Cortex®-M4 core and offers a TFT controller with 2D accelerator and JPEG decoder. Additionally, the RA6M3 MCU offers Ethernet MAC with individual DMA and USB high-speed interface to ensure high data throughput. The RA6M3 MCU 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 RA6M3 is suitable for IoT applications requiring TFT, Ethernet, security, large embedded RAM, and USB High Speed (HS).
Parameters
| Attributes | Value |
|---|---|
| Main CPU | Arm Cortex-M4 |
| Program Memory (KB) | 1024, 2048 |
| RAM (KB) | 640 |
| Carrier Type | Bulk (Tray), Full Carton (Tray), Tape & Reel |
| Supply Voltage (V) | - |
| I/O Ports | 76, 110, 133 |
| DRAM I/F | SDRAM |
| Temp. Range (°C) | Ta = -40 to +85, Ta = -40 to +105 |
| Operating Freq (Max) (MHz) | 120 |
| Ethernet speed | 10M/100M |
| EtherCat (ch) (#) | 0 |
| USB FS (host ch/device ch) | ( 1 / 1 ) |
| USB HS (host ch/device ch) | ( 0 / 0 ), ( 1 / 1 ) |
| USB SS (host ch/device ch) | ( 0 / 0 ) |
| SCI or UART (ch) | 10 |
| SPI (ch) | 2 |
| I2C (#) | 2, 3 |
| CAN (ch) | 2 |
| CAN-FD (ch) | 0 |
| Wireless | No |
| SDHI (ch) | 2 |
| High Resolution Output Timer | Yes |
| PWM Output (pin#) | 26, 28 |
| 32-Bit Timer (ch) | 13, 14 |
| 16-Bit Timer (ch) (#) | 0 |
| Standby operable timer | Yes |
| Asynchronous General Purpose Timer / Interval Timer (ch) | 2 |
| 16-Bit A/D Converter (ch) | 0 |
| 14-Bit A/D Converter (ch) | 0 |
| 12-Bit A/D Converter (ch) | 17, 20, 22 |
| 24-Bit Sigma-Delta A/D Converter (ch) | 0 |
| 12-Bit D/A Converter (ch) | 2 |
| 8-Bit D/A Converter (ch) | 0 |
| Capacitive Touch Sensing Unit (ch) | 12, 13, 18 |
| Image Codec | Yes |
| Segment LCD Controller | No |
| Security & Encryption | Unique ID, TRNG, AES, ECC, RSA, SHA224/SHA256 |
Application Block Diagrams
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Human Machine Interface (HMI) for Appliances
Customizable HMI system for smart appliances with display, touch, voice, and NFC options.
|
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Level 2 EV Charger
Modular EVSE system with advanced connectivity for efficient EV charging and management.
|
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Smart HVAC Control with Integrated Slave Actuator
This slave actuator design for HVAC systems offers low power, secure bi-directional packet data flow, and automatic routing.
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Oxygen Concentrator Controller with Smart Connectivity
Smart oxygen concentrator control with RTOS-ready MCU, touch UI, and Bluetooth connectivity.
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400V/2kW Synchronous Motor Controller with HMI Controller
400V/2kW synchronous motor controller paired with industrial HMI controller and AC/DC power supply.
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Power Sequencer & I/O Expander for Printers (PPC/MFP)
An MCU-based power sequencer and I/O expander for high-performance PPC/MFP printers.
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20kW 3-phase PFC Inverter
The 3-phase PFC inverter uses Renesas MCUs for efficient control communication and supports up to 20kW power.
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Printer Control Panel with NFC Authentication
Secure shared printing with NFC authentication ensures only authorized access to sensitive data.
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Smart Heat Pump Controller
Smart controllers offer remote access, energy monitoring, and smart home integration for heat pumps.
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Level 2 EV Charger Wall Box
Modular EV charger design with flexible communication, OTA updates, and simplified high-voltage power.
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Swappable Battery Charging Kiosk
Swappable battery charging kiosk for LEVs offers reduced wait times, easy operation, and versatile functionality.
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Embedded Programmable Logic Controller (PLC) for Industrial Use
Flexible embedded programmable logic controller (PLC) designed to integrate any type of interface for end-application needs.
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Multi-Functional Cordless Drill with Wire Detection
Cordless drill design with IoT enables wire detection, Bluetooth control, adjustable angles, and enhanced visibility.
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Smart HVAC Master Actuator
Smart HVAC master actuator with AI-driven set points, multi-sensor data, and fail-safe redundancy.
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Electronic Drug Delivery System
Precision electronic drug delivery system using dual MCUs, BLDC motor, flow sensor, and Bluetooth LE.
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Additional Applications
- HMI (small/mid size TFT)
- Applications with demand for High Speed USB and wired Ethernet applications
- Security (fire detection, burglar detection, panel control)
- Industry (robotics, door openers, sewing machines, vending machines, UPS)
- HVAC (heating, air conditioning, boiler control)
- General purpose
Kickstart IoT and embedded systems development using Renesas EK-RA6M5, EK-RA6M4, and EK-RA6M3 evaluation kits for the RA6 MCU series. This video provides an overview of the kit architecture, key features, a quick start example project, and many useful resources to begin innovating quickly with Renesas RA MCUs.
