Re: GA144 Application Board

From	Jecel <jecel@merlintec.com>
Newsgroups	comp.lang.forth
Subject	Re: GA144 Application Board
Date	2012-03-11 12:33 -0700
Organization	http://groups.google.com
Message-ID	<29480821.559.1331494434347.JavaMail.geo-discussion-forums@yndi30> (permalink)
References	<49556347-7bf6-494b-92be-f7c8aff18880@z31g2000vbt.googlegroups.com>

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On Saturday, March 10, 2012 10:24:25 PM UTC-3, rickman wrote:
> I'm less familiar with USB.  I'll have to look up interface chips and
> see what they require.  I suppose an 80 MHz, 8 bit interface could be
> doable and a 40 MHz, 16 bit interface should be very workable.  I
> don't think the FPGA I am planning to use will work at 480 Mbps.

One small correction: 480 Mbps / 8 bits = 60 Mhz

Search for "usb ulpi phy" for chips with 8 bit wide interfaces that you can use to connect to the GA144. You might be able to implement the needed software in a single core.

-- Jecel

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GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-10 17:24 -0800
  Re: GA144 Application Board Rafael Deliano <Rafael_Deliano@arcor.de> - 2012-03-11 10:10 +0100
    Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-11 04:33 -0700
      Re: GA144 Application Board emmanuel <emmanuel.said@cern.ch> - 2012-03-11 06:00 -0700
        Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-11 19:41 -0700
      Re: GA144 Application Board Rafael Deliano <Rafael_Deliano@arcor.de> - 2012-03-11 16:03 +0100
        Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-11 13:45 -0700
  Re: GA144 Application Board Jecel <jecel@merlintec.com> - 2012-03-11 12:33 -0700
  Re: GA144 Application Board Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-03-11 19:45 +0000
    Re: GA144 Application Board Matthias Koch <koch@pci.uni-hannover.de> - 2012-03-15 14:11 +0100
  Re: GA144 Application Board Paul Rubin <no.email@nospam.invalid> - 2012-03-14 19:53 -0700
    Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-20 20:15 -0700
      Re: GA144 Application Board Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-03-21 13:08 +0000
        Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-21 12:13 -0700
          Re: GA144 Application Board Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-03-22 11:36 +0000
            Re: GA144 Application Board Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-03-22 17:50 +0000
              Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-22 14:50 -0700
                Re: GA144 Application Board Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-03-23 12:24 +0000
                Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-23 10:11 -0700
                Re: GA144 Application Board Roger Ivie <rivie@ridgenet.net> - 2012-03-23 13:15 -0500
                Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-24 11:51 -0700
                Re: GA144 Application Board Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-03-25 12:06 +0000
                Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-25 12:50 -0700
            Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-22 14:26 -0700
          Re: GA144 Application Board hwfwguy@gmail.com - 2012-03-22 12:25 -0700
            Re: GA144 Application Board Paul Rubin <no.email@nospam.invalid> - 2012-03-22 13:07 -0700
              Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-22 14:54 -0700
                Re: GA144 Application Board Paul Rubin <no.email@nospam.invalid> - 2012-03-22 15:00 -0700
                Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-23 10:15 -0700
                Re: GA144 Application Board Paul Rubin <no.email@nospam.invalid> - 2012-03-23 17:32 -0700
                Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-24 12:01 -0700
                Re: GA144 Application Board Jan Coombs <jan_2011-02@murray-microft.co.uk> - 2012-03-24 22:27 +0000
                Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-24 19:13 -0700
                Re: GA144 Application Board Paul Rubin <no.email@nospam.invalid> - 2012-03-24 16:01 -0700
                Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-24 19:18 -0700
                Re: GA144 Application Board Paul Rubin <no.email@nospam.invalid> - 2012-03-25 13:06 -0700
                Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-25 15:02 -0700
                Re: GA144 Application Board Paul Rubin <no.email@nospam.invalid> - 2012-03-25 15:51 -0700
                Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-25 16:38 -0700
            Re: GA144 Application Board Richard Owlett <rowlett@pcnetinc.com> - 2012-03-22 16:54 -0500
              Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-23 10:17 -0700
            Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-22 14:52 -0700
            Re: GA144 Application Board Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-03-23 12:34 +0000
              Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-23 10:24 -0700
            Re: GA144 Application Board Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-03-23 14:22 +0000
      Re: GA144 Application Board Paul Rubin <no.email@nospam.invalid> - 2012-03-22 08:12 -0700
        Re: GA144 Application Board Albert van der Horst <albert@spenarnc.xs4all.nl> - 2012-03-23 12:38 +0000
      Re: GA144 Application Board Paul Rubin <no.email@nospam.invalid> - 2012-03-22 08:52 -0700
        Re: GA144 Application Board rickman <gnuarm@gmail.com> - 2012-03-22 15:00 -0700
  Time to revisit S100 Bus? - was [Re: GA144 Application Board] Richard Owlett <rowlett@pcnetinc.com> - 2012-03-22 20:17 -0500
    Re: Time to revisit S100 Bus? - was [Re: GA144 Application Board] rickman <gnuarm@gmail.com> - 2012-03-23 10:29 -0700

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