AVR® DU as a USB CDC Communication Device

1 Relevant Devices

2 USB CDC Basics

2.1 CDC Overview

This section will give an overview of the CDC USB class.

2.2 Use Cases for AVR DU With USB CDC

2.3 Advantages of Using CDC for Serial Communication

3 Understanding USB Protocols

3.1 Brief Overview of USB Architecture

3.2 USB Descriptors Relevant to CDC

3.3 Endpoint Types and Their Roles in CDC

4 USB Classes and Protocols Relevant for CDC

USB classes, subclasses and protocols announce the device capabilities to the host.

5.1 Hardware and Software Used

5.2 Simple CDC Communication

5.3 CDC to USART Bridge

6 Related Documentation

7 Revision History

Microchip Information

Microchip Devices Code Protection Feature

The online versions of the documents are provided as a courtesy. Verify all content and data in the device’s PDF documentation found on the device product page.