Model: ABX00028
Microcontroller: ATmega4809
Operating Voltage: 5V
VIN min-max: 7-21V
DC current per I/O pin: 20 mA
DC current at 3.3V pin: 50 mA
Clock speed: 20MHz
CPU flash: 48KB (ATmega4809)
RAM: 6KB (ATmega4809)
EEPROM: 256 bytes (ATmega4809)
PWM pin: 5 (D3, D5, D6, D9, D10)
UART: 1
SPI: 1
I2C: 1
Analog input pin: 8 (ADC 10 bits)
Analog output pin: Via PWM only (no DAC)
External Interrupt: All digital pins
LED_BUILTIN: 13
USB: Using ATSAMD11D14A
Length: 45mm
Width: 18mm
Weight: 5g (lead)