Manuali utente per Cypress EZ-USB HX2LP

Sommario

• 1.0 Features

  1
• 2.0 Introduction

  1
• 3.0 Block Diagrams

  2
  • 3.1 USB Serial Interface Engine (SIE)

    4
  • 3.2 Hub Repeater

    4
  • 3.3 Transaction Translator (TT)

    4
• 4.0 Applications

  4
• 5.0 Functional Overview

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  • 5.1 System Initialization

    4
  • 5.2 Enumeration

    4
  • 5.3 Multiple Transaction Translator Support

    4
  • 5.4 Downstream Ports

    4
  • 5.5 Upstream Port

    5
  • 5.6 Power Switching

    5
  • 5.7 Over-current Detection

    5
  • 5.8 Port Indicators

    5
• 6.0 Pin Configuration

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• 7.0 Pin Description Table

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• 8.0 Default Descriptors

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  • 8.1 Device Descriptor

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  • 8.2 Configuration Descriptor

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  • 8.3 Interface Descriptor

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  • 8.4 Endpoint Descriptor

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  • 8.5 Interface Descriptor[9,10]

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  • 8.6 Endpoint Descriptor[9,10]

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  • 8.7 Device Qualifier Descriptor

    11
  • 8.8 Hub Descriptor

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• 9.0 Configuration Options

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  • 9.1 Default - 0xD0 Load

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  • 9.2 Configured - 0xD2 Load

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  • 9.3 Configured - 0xD4 Load

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• 10.0 Supported USB Requests

  16
  • 10.1 Device Class Commands

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  • 10.2 Hub Class Commands

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• 11.0 Upstream USB Connection

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• 12.0 Downstream USB Connections

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• 13.0 LED Connections

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• 14.0 System Block Diagram

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• 15.0 Electrical Characteristics

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  • 15.1 Absolute Maximum Ratings

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  • 15.2 Operating Conditions

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  • 15.3 DC Electrical Characteristics

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  • 15.4 USB Transceiver

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  • 15.5 AC Electrical Characteristics

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    • 15.5.1 Serial Peripheral Interface

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• 16.0 Ordering Information

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• 17.0 Package Diagrams

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