Microchip USB3331 Bedienungsanleitung


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2013 - 2015 Microchip Technology Inc. DS00001863B-page 1
INTRODUCTION
The purpose of this application note is to provide a list of items that need to be considered when designing systems that
incorporate the following categories of Microchip USB products:
•USB 2.0 Hubs
•USB 3.1 Gen 1 Hubs
•Flash Media Controllers
•Flash Media Controller Hub Combo
•USB Transceivers
The target audience of this document is system engineers and layout professionals who are familiar with industry stan-
dard practices. This application note must be used in conjunction with the device data sheet, reference design, and other
relevant application notes.
Overview
This document includes the following chapters:
•Schematic Guidelines
•Layout Guidelines
Each chapter begins with a sub-section on the general design considerations for all products. Subsequent sub-sections
detail design considerations for specific product categories and their applications. The order of these lists are arbitrary.
References
•Application Notes:
-AN 18.16, PCB Design Guidelines for USB223x/i & USB225x/i Controllers
-AN 26.2, Implementation Guidelines for Microchip’s USB 2.0 and USB 3.1 Gen 1 Hub Devices
-AN 18.15, PCB Design Guidelines for QFN and DQFN Packages
-AN 19.17, ULPI Design Guide
-WP 2.10, PCB Design for WLCSP BGA Packages
•The data sheet for the respective product(s)
•Applicable USB specifications and ECNs available at usb.org
AN 26.21
USB Device Design Checklist
Author:Rejo Titus
Microchip Technology Inc.

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Marke: Microchip
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Modell: USB3331

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