Re: [usb] =?gb2312?B?W3VzYl1kaWZmZXJlbmNlIGJldHdlZW4gaG9zdCBpbnRlcmZhY2UgYW5kIGZ1bmN0aW9uIGlu

["kw@nie" <kwanie@pacific.net.sg>]

Hi,

I have not played around with this core but did have a brief look at its
documentation. If I am not wrong, I think what is confusing you is the
reference to term "Host Interface".

This refers to the interface between a MCU/MPU and the USB Function IP Core.
This is not referring to the interface with the USB host, which in most
cases is a PC.

"function microcontroller" or "function-specific host or microcontroller"
are the same thing. It refer to the MCU/MPU that interfaces with the USB
Function IP Core via the "Host Interface".

If you look at a USB device as a independent system the MCU/MPU will be the
host for this system, thus the interface is termed "Host Interface".

Cheers,
kwanie

----- Original Message -----
From: "meizhangxiong" <bit_mei@263.net>
To: <usb@opencores.org>
Sent: Wednesday, March 13, 2002 3:53 PM
Subject: [usb]
=?gb2312?B?W3VzYl1kaWZmZXJlbmNlIGJldHdlZW4gaG9zdCBpbnRlcmZhY2UgYW5kIGZ1bmN0a
W9uIGlu


dGVyZmFjZQ==?=
X-Priority: 3
X-Originating-IP: [159.226.40.187]
X-Mailer: Coremail2.0 Copyright Tebie Ltd., 2001

Hi,all
  Please tell me the differences between host interface and function
interface.In the Mr. Rodulf's usb function ip core,it seems that this two
concepts are the same.If so,what's the differences between host and function
and what's the differences between function micro controller and
function-specific host or micro controller?
Regards
MeiZX






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