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The Arduino UNO R4 Minima is the first UNO board featuring a 32-bit microcontroller, the RA4M1 from Renesas. It is faster, has more memory and has a number of built-in features such as a DAC, RTC and HID. The UNO R4 Minima is a 5 V only board.
Mar 4, 2024 · The Arduino UNO R4 takes a giant leap in terms of the onboard microcontroller. Atmega328p is replaced with the powerful 32-bit Arm Cortex-M4 microcontroller (Renesas RA4M1) that can run up to 48 MHz.
Enhanced and improved, the Arduino UNO R4 Minima is armed with a powerful Renesas RA4M1 microcontroller. Brace yourself for increased processing power, expanded memory, and a whole new level of on-board peripherals.
View and Download Arduino UNO R4 Minima product reference manual online. UNO R4 Minima carrier boards pdf manual download. Also for: Abx00080 in, Abx00080.
Arduino® UNO R4 Minima 4.2 Back View Back View of Arduino R4 Minima 5 Microcontroller (R7FA4M1AB3CFM#AA0) The UNO R4 Minima is based on the 32-bit RA4M1 series microcontroller, R7FA4M1AB3CFM#AA0, from Renesas, which uses a 48 MHz Arm® Cortex®-M4 microprocessor with a floating point unit (FPU).
You can override default Arduino Uno R4 Minima settings per build environment using board_*** option, where *** is a JSON object path from board manifest uno_r4_minima.json. For example, board_build.mcu, board_build.f_cpu, etc.
Arduino UNO R4 Minima Board The Arduino UNO R4 Minima is a development board with the classic UNO form factor, based on the RA4M1 (Renesas RA4M1 Group Datasheet ) microcontroller from Renesas. It is faster and has more memory than the previous versions of the board. It has a number of built-in features such as a DAC, RTC and HID.
Aug 16, 2024 · The Arduino UNO R4 Minima and Arduino Uno R3 exhibit distinct features, reflecting advancements and variations. The Arduino UNO R4 Minima is equipped with a Renesas RA4M1 microcontroller, leveraging the Arm Cortex-M4 architecture, while the Arduino Uno R3 employs the ATmega328P.
ABX00080 Datasheet (HTML) - Arduino ABX00080 Product details Description The Arduino UNO R4 Minima (from here on referred to as UNO R4 Minima) is the first UNO board to feature a 32- bit microcontroller. It features a RA4M1 series microcontroller from Renesas (R7FA4M1AB3CFM#AA0), which embeds a 48 MHz Arm® Cortex®-M4 microprocessor.
Mar 25, 2026 · The Arduino UNO R4 Minima represents a major leap forward for the maker community. It marks the definitive transition from the older 8-bit AVR architecture (the ATmega328P found in the Arduino UNO R3) to a modern and much more powerful 32-bit Arm® Cortex®-M ecosystem.
If you’re familiar with older 8-bit AVR chips like the ATmega328P, the RA4M1 feels like a major upgrade — faster clock speeds, more memory, and powerful peripherals, while still keeping that Arduino simplicity we all love.
