List of Useful Pins - myelin/modular-arm-usb GitHub Wiki

A list of "interesting"/"useful" pins to break out:

• PIO0_7 — General purpose digital input/output pin (high-current output driver).
• PIO0_16 — General purpose digital input/output pin. In Deep power-down mode, this pin functions as the WAKEUP pin with 20 ns glitch filter.