Uno R4 Minima is a 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.
The Uno R4 Minima board's operating voltage is 5 V, making it hardware compatible with UNO form factor accessories with the same operating voltage. Shields designed for previous UNO revisions are therefore safe to use with this board but are not guaranteed to be software compatible due to the change of microcontroller.
Microcontroller
R7FA4M1AB3CFM#AA0
48 MHz Arm® Cortex®-M4 microprocessor
Memory
256K Code Flash, 32K SRAM, 8K Data Flash
Power
DC Jack Input 6-24V,
Power via USB-C is 5V
MCU working voltage is 5V/3.3V configurable
Pin
Digital I/O Pins 14
6 x Analog Input (14 bit), 1 x DAC (12 bit)
PWM I/O Pins 6
Communication
1 x UART
1 x I2C
1 x SPI
1 x CAN
Others
Capacitive Touch Sensing Unit
USB 2.0 Full Speed Module
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