Intel Press - USB Design By Example: Additional Chapter 3 Information


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Additional Chapter 3 Information
		USB Design by Example, 2nd Edition A Practical Guide to Building I/O Devices by John Hyde

Getting to Know You: Enumeration

USB Specification**

Enumeration examples

I captured the enumeration of several devices using a CATC* Chief*

First download the free CATC trace viewer**

Then download five example CATC traces


	HID (I used a mouse)

	HID, but looking at the upstream hub connection

	Hub, so that you can see that it enumerates just like any other device

	Audio device (I used Yamaha* speakers, these also have a HID interface)

	Mass Storage device (I used a ZIP* drive)

**The following links will take you from the Intel Web site. Intel does not control the content of these linked Web sites.

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