40 pin extended I0 port: includes 34 single ended 10 ports, on PLBANK34, 3.3V standard; The pin provides external power supply of 5V and 3.3V, with 10 signals of equal length
System reset: a system reset (POR) button
Development board indicator lights: DONE, USBCPEN, power plug indicator light
Development board power system: onboard core power supply: 1.0V/6A; Other channels: 1.8V/3A, 1.5V/3A, 3.3V/3A; Expanding 10 ports of 40P BANK34 VCCO voltage: 3.3V