Keep in mind, the AC97 pins on the EP9302 are not brought out to any headers
on the TS72XX boards. So you'd need to solder wires directly to the AC97 pins
on the EP9302 chip.
-Curtis.
On January 4, 2006 12:13 pm, pickanameanditstakensoihavethis wrote:
> --- In ragin shah <> wrote:
> >
> its not just a adc that is needed , you need a ac97 codec
> the ts7250 suports what is needed at its end for it
> see http://en.wikipedia.org/wiki/AC97 for a discription
> a suitable chip would be
> http://www.analog.com/en/prod/0,2877,AD1981B,00.html
> if you where into building one and sort out the connections to the
> ts7250 , easier to use a usb audio dongle for that
>
> Dave
>
> >
> > Hi ! Jesse off!
> > Thnaks for reply. As u said that i required USB with
> > audio support.
> > But I have ts7250 board with additional 8-channel A/D
> > converter(max197 chip). So, I think i would be able to
> > connect audio input directly to the max197 chip. If i
> > m wrong then please let me know.
> > Now , my doubt is how to enable this ac97 support in
> > software as my SIP application requires devices like
> > "/dev/dsp". So ,How to enable this support as far as
> > Linux & software part is concerned.
> > Waiting for ur reply !
> > Thanks in advance !
> > --- Jesse Off <> wrote:
> >
> >
> > ---------------------------------
> > The CPU has AC97 support, but you still need a codec
> > chip, some analog
> > support components, and some sort of audio connector
> > to make sound.
> > The TS-7xxx boards do not have this. This would
> > increase board area
> > and cost well above the next-best solution which is a
> > $9.95 USB-based
> > audio dongle. USB-audio is not so bad as it just
> > happens to be one of
> > those future proof USB devices since it was
> > standardized in the USB
> > specification and has multiple equivalent suppliers in
> > the market.
> > (unlike USB wifi)
> >
> > //Jesse Off
> >
> > --- In "shahragin1"
> > <> wrote:
> > >
> > > I have ts-7250 developement board.I m running SIP
> > application on it
> > > to make a voip call.After running application,
> > logical channel is
> > > established.But,after some time it shows error like
> > "/dev/dsp" not
> > > found. This board has built-in ac97 support. So ,can
> > anybody please
> > > help me in solving this error.
> > > Thanks in advance!
> > >
> >
> >
> >
> >
> >
> >
> >
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