AN1247, Communication Device Class (CDC) Host

an1247 . Communication Device Class (CDC) host Communications Interface Class (CIC) The CIC. Author: Amardeep Gupta defines a general purpose mechanism that can be microchip technology Inc. used to enable all types of Communication services on the USB. This interface consists of INTRODUCTION two elements: - A management element With the introduction of microchip 's microcontroller with USB OTG (Universal Serial Bus On-The-Go) periph- The management element configures and eral, implementing an embedded host has become controls the Device ; it consists of Endpoint 0. easier. USB is used in several types of Communication - A notification element devices . The USB specification defines an architecture The notification element is optional and is used that is capable of supporting most Communication to handle transport events. The notification devices which use the USB Communications Device element can be used to transfer information Class (CDC).

© 2009 Microchip Technology Inc. DS01247A-page 5 AN1247 THE CDC CLIENT DRIVER Architecture of CDC Client Driver The host functionality is a multilayer stack (see

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  Devices, Communication, Technology, Class, Host, Stack, Microchip, Microchip technology, An1247, Communication device class

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