Atmel Software Framework

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USB Stack Host

This module includes USB Stack Host implementation.

The stack is divided in three parts:

Many USB Host applications can be implemented on Atmel MCU. Atmel provides the application note AVR4950 about USB Host Stack general information.


 USB Host Interface (UHI)
 The UHI provides a common API for all classes, and this is used by UHC for the main control of USB host interface.
 USB Host Driver (UHD)
 The UHD driver provides a low-level abstraction of the host controller hardware.
 USB host Controller (UHC)
 The UHC provides a high-level abstraction of the usb host.