通信设备类（CDC）主机
WiththeintroductionofMicrochip’smicrocontrollerwith
USBOTG(UniversalSerialBusOn-The-Go)periph-
eral,implementinganembeddedhosthasbecome
easier.USBisusedinseveraltypesofcommunication
devices.TheUSBspecificationdefinesanarchitecture
thatiscapableofsupportingmostcommunication
deviceswhichusetheUSBCommunicationsDevice
Class(CDC).
ThisapplicationnotedescribeshowtodevelopaUSB
CDCapplicationusingaMicrochipUSBOTG
microcontrollerastheembeddedhost.AN1247CommunicationDeviceClass(CDC)HostCommunicationsInterfaceClass(CIC)
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