Re: Hi all, an info about how to read http://www.linux-sh.org/shwiki/Processors

[Yoshinori S. <ys...@us...>]

At Mon, 19 Mar 2007 15:53:04 +0100,
Fabio Giovagnini wrote:
>=20
> Alle 15:00, luned=EC 19 marzo 2007, Paul Mundt ha scritto:
> > On Mon, Mar 19, 2007 at 02:32:42PM +0100, Fabio Giovagnini wrote:
> > > http://www.linux-sh.org/shwiki/Processors
> > >
> > > and if I click sh7044 I read that the page is not more available or it
> > > need to be written.
> >
> > Correct, this is just a simple information page, and that's more of a
> > placeholder. Feel free to add some notes there if you like, or you an
> > remove it if you don't figure it's going to be of any use.
> >
> > > In the past I tried to make somethink with Paul, but I did not finish=
ed
> > > the activite bacuase of lack of time.
> > > Just a question; was it really avalilable in the past or not?
> >
> > Most of the work that we did for this before is still hanging around, so
> > it should be pretty easy to tie in to the rest of the SH-2 support code
> > that's in the tree now. You're still going to need a board with more RAM
> > though, so it might not be worth dealing with SH7044.
> Considering sh2-7044 very old, I think it is an error for the following=20
> reason: it is 5V supplied, insted of being 3.3V supplied.=20
> We disovered that 3.3 V is not so suitable around each application=20
> environment, so that 5V devices are still ther dignity, even if ther seen=
 to=20
> be old are birth age.
> Among all the sh-2 Renesas' devices 5V devices are not so mach, so 7044 a=
nd=20
> its 5V childern I think are still interesting.
>=20
> Anyway now I have 1 Mbyte ram Board 7045 based, and not much ram is avail=
able=20
> on all the board made by me; I don't know if 1MByte of ram is enough.

It is easy to work with 7044/7045.
But RAM requires more a lot.
=20
> Ciao and best regards.
>=20
> P.S.
>=20
> What are you working on at this  moment?
>=20
>=20
>=20
> >
> > By this point, SH7044 is quite an old part, so it's likely not worth
> > spending too much time on it.. especially since there's far more
> > interesting work to be done on SH-2A.
>=20

--=20
Yoshinori Sato
<ys...@us...>