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Draft User Guide

© 2024 Microchip Technology Inc. and its subsidiaries

DS50003697A - 1

Introducon

The USB Device Stack provides embedded application developers with a framework to design and develop

several USB devices. The USB Device Stack facilitates the development of standard USB devices through

function drivers that implement standard USB Device class specications. The stack is structured in layers,

where the Hardware Abstraction Layer (HAL) interacts with the USB peripherals and endpoints, the core

layer handles transactions between the HAL and the class layer, and the class layer handles the class-specic

interactions with the host.

The USB Device Stack is a part of the MPLAB

®

Code Congurator (MCC) Melody installation accompanied,

by example applications highlighting stack usage. These examples will also be modied or updated to build

custom applications.

The USB Device Stack features the following:

•Support for dierent USB device classes (CDC, HID and Vendor)

•Support for multiple congurations

•Support for full-speed operation

•Support for deferred control transfer responses

•A completely non-blocking architecture

•Support for both polled and interrupted operations

•Support for Graphical User Interface (GUI) conguration through MCC

This document serves as a getting-started guide and provides information on the following:

•USB Device Stack architecture

•HID, CDC and Vendor Class examples with How-to guides

•USB Device Stack - API documentation

USB Device Stack User Guide

USB Device Stack

Product specificaties