Microchip USB2532 Handleiding

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 2013 - 2015 Microchip Technology Inc.DS00001801C-page 1

INTRODUCTION

The SMBus slave interface can be used to customize the functionality of the USB253x / USB3x13 / USB46x4 hub.

Through this interface, the SOC is able to control the digital and USB lines for internal testing, configure the Hub to func-

tion with the desired options when enumerating, and load custom firmware to fully unlock the features of the embedded

processor. This functionality entails that some configuration registers are accessible only during the configuration

stages, while others are accessible during runtime. Both sets of registers are detailed in this application note.

This document includes the following topics:

• HUB Operational Mode on page 2

•SOC Configuration Stage on page 3

•SMBus Run Time Accessible Registers on page 52

•OTP Configuration on page 61

References

The following documents should be referenced when using this application note. Contact your Microchip representative

for availability.

USB2532 Data Sheet

USB2533 Data Sheet

USB2534 Data Sheet

USB3613 Data Sheet

USB3813 Data Sheet

USB4604 Data Sheet

USB4624 Data Sheet

Protouch Configuration Tool

USB2530 Software Development Kit

System Management Bus Specification, Version 1.0

AN 26.18

Configuration Options for the

USB253x / USB3x13 / USB46x4

Authors: Arnaldo Cruz, Brigham Steele



Microchip Technology, Inc.

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