MicrocontrollerCortex M0+
BootloaderArduino Zero Bootloader Pre-loaded
Input VoltagePower Pin 1 = 3.3-20v (3.3-12v recommended for heavy load) Power Pin 2 = 3.3v Micro USB = 5v
Current Draw~10mA (Sleep modes available)
Clock48MHz
Flash Memory (ROM)256KB
SRAM32KB
I/O Pin Limits3.3v, 7mA
Digital I/O Pins20 Pins / 1 Pad
PWM Pins19 Pins / 1 Pad
Analog (ADC) Pins11 Pins (upto 12-bit)
Serial (RX/TX) Pins2 Pins
I2C (SDA/SCL) Pins5 Pins / 1 Pad
SPI Pins (MOSI/MISO/SCK)3 Pins
External Interrupts19 Pins / 1 Pad
Reset Pins1
Dimensions29.8 x 14.9 x 4.4mm
Weight1.1 grams
ProgrammingMicro USB Port SWD Header
ConnectionsMicro USB 2.54mm Pin Headers SWD Header

Exen Proto Pin-out

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