2.3 Power Sources

Two options are available to power up the SAM9X75-Curiosity board:

  • Powering through the jack connector (J1)
  • Powering through the USB Micro-B connector on the USBA port (J2)

The selection of the input supply is automatic with a priority given to the jack connector.

Table 2-3. Electrical Characteristics
Characteristic Specification
Input voltage 5 VDC
Maximum input voltage (limits) 6 VDC
Input current

Up to 6 A when using DC jack

Up to 500 mA when using USB
CAUTION: The SAM9X75-Curiosity board runs at a 3.3V voltage level logic. The maximum voltage that the I/O pins can tolerate is 3.3V. Providing higher voltages (e.g., 5V) to an I/O pin could damage the board.