Microchip USB3613 Manual


Læs nedenfor 📖 manual på dansk for Microchip USB3613 (26 sider) i kategorien Ikke kategoriseret. Denne guide var nyttig for 5 personer og blev bedømt med 4.5 stjerner i gennemsnit af 2 brugere

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2012-2019 Microchip Technology Inc. DS00001876C-page 1
1.0 INTRODUCTION
This application note provides information on general printed circuit board layout considerations for Microchip’s many
families of USB Hub Controller devices. This information is broadly applicable to any of Microchip’s USB 2.0 and USB
3.1 Gen 1 and Gen 2 device implementations.
1.1 Audience
This application note is written for readers that are familiar with PCB design, including signal integrity, differential sig-
naling, and thermal management implementation concepts.
1.2 Objective
The goal of this document is to provide implementation information that specifically applies to designing PCBs using
Microchip’s High Speed and faster families of USB Hub Controller devices. Careful implementation of these guidelines
enables successful designs.
1.3 Overview
Successful operation of Microchip’s USB Hub Controllers requires special consideration for printed circuit board (PCB)
layout. All Microchip USB Hub controllers contain a mix of sensitive analog circuitry, digital core logic, and high speed
I/O circuitry. The PCB’s design is part of the system circuit for all of these subsystems that can either enhance or detract
from desired operation.
General issues such as placement and stack up are covered. Additionally, subsystem issues such as USB 2.0 / 3.1
Gen 1 and Gen 2 signaling/impedance, crystal connections, and other critical circuits are discussed. Controlling EMI,
system power distribution, and signal return path management will also be addressed.
The guidelines presented supersede earlier notes for the applicable devices. The following recommendations are based
on Microchip’s experience and knowledge and may be accepted or rejected. Microchip does not guarantee any design.
Each company is ultimately responsible for determining the suitability of its own design.
1.4 References
Data Sheets: USB54xx, USB55xx, USB56xx,USB57xx, USB58xx, USB59xx, USB7xxx, USB8xxx, USB38xx,
USB25xx and USB46xx USB Hub Controller and Hub-Combo devices
Application Note: AN 26.21
Application Note: AN 18.15
Evaluation designs that are referenced in this document can be found on the Microchip web site.
AN26.2
Implementation Guidelines for Microchip’s USB 2.0 and
USB 3.1 Gen 1 and Gen 2 Hub and Hub-Combo Devices
Author: Carl Johnson
Microchip Technology Inc.


Produkt Specifikationer

Mærke: Microchip
Kategori: Ikke kategoriseret
Model: USB3613

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