With its state-of-the-art SOC (System-on-a-Chip) from Japan, the Arduino Uno R4 sets a new standard for compact yet powerful microcontrollers. Seamlessly integrating various functionalities into a single chip, this cutting-edge SOC empowers you to bring your ideas to life like never before. Whether you're a seasoned maker or a curious beginner, the Uno R4 provides an ideal platform to explore the vast horizons of creativity.
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Crafted with precision in Italy, the Arduino Uno R4 embodies the art of assembly. Meticulous attention to detail and a commitment to quality shine through in every component, ensuring a robust and reliable device that stands the test of time. The synergy between Japanese innovation and Italian craftsmanship results in a truly exceptional product that marries cutting-edge technology with timeless elegance.
Image Credit: Official Arduino Store
Renesas Electronics
The name 'Renesas' is a contraction for "Renaissance Semiconductor for Advanced Solutions"
Renesas is an innovative semiconductor manufacturer headquartered in Tokyo, Japan. Established in 2002 as Renesas Technology, it was formed by combining the semiconductor divisions of Hitachi and Mitsubishi. Later, NEC Electronics merged with Renesas Technology, resulting in a minor change to the company's name and logo.
Source Renesas Profile
During the 2000 - 2010s, Renesas became one of the top six semiconductor companies globally. Today, it holds the prestigious position of being the world's third-largest automotive semiconductor company and the leading supplier of microcontrollers.
Renesas RA Family MCU Portfolio
Renesas RA4M1 (Arm® Cortex®-M4)
Introducing the Renesas RA4M1, a powerful microcontroller based on the Arm® Cortex®-M4 architecture. Designed to deliver exceptional performance and efficiency, the RA4M1 is a game-changer in the world of embedded systems.
Built by Renesas Electronics Corporation, a renowned semiconductor manufacturer, the RA4M1 combines the industry-leading Arm® Cortex®-M4 processor with Renesas' expertise in microcontroller technology. This fusion results in a versatile and reliable solution for a wide range of applications.
The Arm® Cortex®-M4 processor at the heart of the RA4M1 offers impressive processing power, enabling rapid execution of complex algorithms and real-time control. With its floating-point unit and digital signal processing capabilities, the RA4M1 is well-suited for demanding tasks such as motor control, sensor fusion, and audio processing.
Designed with efficiency in mind, the RA4M1 optimizes power consumption while maintaining high performance. This makes it an ideal choice for battery-powered devices, IoT applications, and other energy-sensitive systems. The integrated peripherals, including ADCs, timers, communication interfaces, and security features, further enhance the versatility and functionality of the RA4M1.
Developers will appreciate the comprehensive development ecosystem provided by Renesas, including software tools, libraries, and support resources. This ensures a smooth and efficient development process, allowing engineers to focus on bringing their ideas to life.
Whether you're working on industrial automation, consumer electronics, or smart devices, the Renesas RA4M1 microcontroller empowers you to create innovative and reliable solutions. Experience the power, efficiency, and flexibility of the Arm® Cortex®-M4 architecture with the RA4M1, and unlock new possibilities for your embedded projects.
Source Renesas RA Portfolio
Specifications - Arduino® UNO R4 Minima
The Arduino® UNO R4 Minima is a compact and feature-rich development board that offers powerful capabilities for your projects. Equipped with the Renesas RA4M1 microcontroller based on the Arm® Cortex®-M4 architecture, this board provides excellent performance and versatility.
The board features a USB-C® programming port for easy connectivity and programming. It offers 14 digital I/O pins and 6 analog input pins, allowing you to interface with various sensors and peripherals. Additionally, there is 1 DAC (Digital-to-Analog Converter) and 6 PWM (Pulse Width Modulation) pins, enabling precise control over analog signals and motor speed.
For communication, the Arduino® UNO R4 Minima supports UART, I2C, SPI, and even includes 1 CAN bus, expanding your options for connecting to other devices and networks.
Operating at a clock speed of 48 MHz, the Renesas RA4M1 microcontroller provides 256 kB of Flash memory and 32 kB of RAM, giving you ample space for program storage and data manipulation.
With dimensions of 68.85 mm in width and 53.34 mm in length, the Arduino® UNO R4 Minima strikes a balance between compactness and functionality, making it suitable for various applications where space is limited.
Whether you're a hobbyist, student, or professional, the Arduino® UNO R4 Minima is a reliable and versatile development board that empowers you to bring your ideas to life with ease.
Source: Arduino Official Documentation
| Board | Name | Arduino® UNO R4 Minima |
| SKU | ABX00080 | |
| Microcontroller | Renesas RA4M1 (Arm® Cortex®-M4) | |
| USB | USB-C® | Programming Port |
| Pins | Digital I/O Pins | 14 |
| Pins | Analog input pins | 6 |
| DAC | 1 | |
| PWM pins | 6 | |
| Communication | UART | Yes, 1x |
| I2C | Yes, 1x | |
| SPI | Yes, 1x | |
| CAN | Yes 1 CAN Bus | |
| Power | Circuit operating voltage | 5 V |
| Input voltage (VIN) | 6-24 V | |
| DC Current per I/O Pin | 8 mA | |
| Clock speed | Main core | 48 MHz |
| Memory | RA4M1 | 256 kB Flash, 32 kB RAM |
| Dimensions | Width | 68.85 mm |
| Length | 53.34 mm | |
Image Credit: Official Arduino Store