USBType-CDisplayPortAlternateMode使用说明, TheUSBType-CandPowerDeliveryspecificationsallowplatformsequippedwithUSBType-Cportstonegotiatepowerlevels upto3Aat5V,9Vand15V,andupto5Aat20V,foramaximum100Wpowerdelivery. Besidespowernegotiation,thespecifica