1, VCC power management chip power supply.
2, VDD gate driver power supply voltage input or primary control signal power supply source.
3, the VID-4CPU and the CPU power supply management chip VID signal connection pin, mainly indicates the output signal of the chip, so that the two field tubes output the correct working voltage.
4, RUNSDSHDNEN different chip start pin.
5, PGOODPGcpu core power supply circuit normal working signal output.
6, VTTGOODcpu external core power supply normal signal output.