Key technical specifications include:

Microcontroller: Renesas RA4M1 (Arm Cortex-M4 with Floating Point Unit)
Operating Voltage: 5V
Clock Speed: 48 MHz
Memory: 256 KB Flash, 32 KB SRAM, and 8 KB EEPROM
Digital I/O Pins: 14, with 6 providing PWM output
Analog Input Pins: 6, supporting up to 14-bit resolution
DAC (Digital-to-Analog Converter): 1, for advanced audio projects
Communication Interfaces: UART, I2C, SPI, and CAN (requires an external transceiver)
USB: USB-C for programming and HID (Human Interface Device) support, allowing it to emulate a keyboard or mouse
Input Voltage (VIN): 6-24V, accommodating a broader range of power supplies
The Uno R4 Minima also introduces a built-in Real-Time Clock (RTC) for accurate timekeeping and alarm functions, and a DAC for sophisticated audio projects. It’s the first in the Uno series to feature a USB-C® connector, enhancing its connectivity options.