RE: [usb] host controller transceiver?

["Amey Hegde" <amey@controlnet.co.in>]

Device side XCVRs or Host Side XCRS??

-----Original Message-----
From: owner-usb@opencores.org [mailto:owner-usb@opencores.org]On Behalf
Of shiv@vinchip.com
Sent: Thursday, October 31, 2002 5:59 PM
To: amey@controlnet.co.in; usb@opencores.org
Subject: RE: [usb] host controller transceiver?


It seems that Cypress has come out with UTMI Tranceivers for USB2.0
version. Can anyone update on the latest informations about the players
in the USB Tranceiver market?

Shiv N. Shankar

----- Original Message -----
From: "Amey Hegde" <amey@c... >
To: <usb@o... >
Date: Thu, 27 Dec 2001 17:42:07 +0530
Subject: RE: [usb] host controller transceiver?

>
>
> the philips chip cannot be used for a host-side application
> since it has no HS disconnect detection that is required by a host.
>
> -amey
>
> -----Original Message-----
> From: owner-usb@o...  [mailto:owner-usb@o... ]On
> Behalf
> Of Thierry LEROUX
> Sent: Friday, December 28, 2001 4:23 PM
> To: 'usb@o... '
> Subject: RE: [usb] host controller transceiver?
>
>
> Hello,
> We made an extensive search of available PHY some months ago. As
> far as I
> know the situation is as follows :
> - Many makers are only providing these components as IP to be
> integrated in
> larger "custom" silicon designs. Ie. there is no real chip
> available. This
> is the case for inSilicon.
> - Philips is providing one. Cheap and small package ...
>   The bad thing is that it is not compatible with the UTMI
> specification.
>   The second drawback is that the full speed tranceiver logic is
> not
> implemented.
>   Only the high speed one is. This makes the FPGA more complicated
> (Ie. You
> need to implement
>   the DPLL, bit-unstuffing, ... by yourself for full speed).
>   We got samples :-))
> - Kawasaki LSI www.klsi.com is providing a nearly compliant UTMI
> chip.
>   It works fine and we got samples. We will go in production with
> it.
> - TI is forecasting a tranceiver. I have no news from them so far.
> - NEC also got one. Our local dealer got a response that we have
> too small
> volumes
>   to be in a position to get those devices.
>   I do not know what is "small volumes" for them. I suppose that
> they are
> not willing
>   to take care of small companies ...
> - Lucent technologies used to have one. It vanishes in the recent
> cut-downs.
>
> I hope this can help.
> I have not heard of any chip which is able to handle the 3 speeds.
> However
> and as far as I know, the Philips chip might be OK if it can handle
> the
> controller requirements. Not sure ...
>
> Rgds,
>
> Thierry
>
> -----Original Message-----
> From: Amey Hegde [mailto:amey@c... ]
> Sent: jeudi 27 décembre 2001 04:51
> To: usb@o...
> Subject: RE: [usb] host controller transceiver?
>
>
> but is your usb 2.0 host going to be implemented on FPGA alone? No
> ASIC
> implementation? -amey
>
> -----Original Message-----
> From: owner-usb@o...  [mailto:owner-usb@o... ]On
> Behalf Of
> Jecel Assumpcao Jr
> Sent: Friday, December 28, 2001 6:08 AM
> To: usb@o...
> Subject: Re: [usb] host controller transceiver?
>
>
> On Thursday 27 December 2001 13:12, Amey Hegde wrote:
> > did u try going through the insilicon xcvr? It is supposed to
> be a
> > host side xcvr too.
>
> It is
> (http://www.insilicon.com/products/ProductPages/usb/usb2phy.shtml)
> and so handles all three speeds. The problem is that it seems to be
> available only as a macro to be included in a custom chip and I am
> looking
> for a discrete transceiver to hook up to a FPGA.
>
> -- Jecel
>
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