Arduino UNO R4 Minima User Manual

Arduino® UNO R4 Minima
2 / 17 Arduino® UNO R4 Minima Modified: 19/06/2023
Features
R7FA4M1AB3CFM#AA0
48 MHz Arm® Cortex®-M4 microprocessor with a floating point unit (FPU)
5 V operating voltage
Real-time Clock (RTC)
Memory Protection Unit (MPU)
Digital Analog Converter (DAC)
Memory
256 kB Flash Memory
32 kB SRAM
8 kB Data Memory (EEPROM)
Pins
14x digital pins (GPIO), D0-D13
6x analog input pins (ADC), A0-A5
6x PWM pins: D3,D5,D6,D9,D10,D11
Peripherals
Capacitive Touch Sensing Unit (CTSU)
USB 2.0 Full-Speed Module (USBFS)
up to 14-bit ADC
up to 12-bit DAC
Operational Amplifier (OPAMP)
Power
Recommended input voltage (VIN) is 6-24 V
5 V operating voltage
Barrel jack connected to VIN pin
Power via USB-C® at 5 V
Schottky diodes for overvoltage and reverse polarity protection
Communication
1x UART (pin D0, D1)
1x SPI (pin D10-D13, ICSP header)
1x I²C (pin A4, A5, SDA, SCL)
1x CAN (pin D4, D5, external transceiver is required)

Arduino UNO R4 Minima Specifications

General

Operating Voltage	5V
Input Voltage	6-24V
Input Voltage (recommended)	7-12V
Digital I/O Pins	14
PWM Pins	6
Analog Input Pins	6
Flash Memory	256 KB
SRAM	32 KB
Clock Speed	48 MHz
DC Current per I/O Pin	8 mA
DAC	1
UART	1
SPI	1
I2C	1
USB	USB-C
Dimensions	68.6 mm x 53.4 mm
Microcontroller	RA4M1 (Arm Cortex-M4)