Can you give us the adress of the web site of MX-COM.

Thanks
Didier


----------
> From: Bryan Hord <bryan@WLLINK.COM>
> To: PICLIST@MITVMA.MIT.EDU
> Subject: Re: Modem
> Date: mercredi 28 mai 1997 2:34
>
> Modems:  Rockwell and MX-COM,
>
> We are using the Rockwell RC224ATL for an embedded 1200 baud FSK modem.
It
> allows for a serial or parallel interface and operation to 2400 baud.  If
> you are connecting it to a telephone system, it has the capability of
> driving a DAA (Data Access Arrangement - that's the transformer, filter
and
> amplifier to connect to the telephone line) directly.  We are using it
for a
> wireless application.  It supports the AT command set and also comes in a
> FAX/modem part RC224ATF.  It is very easy to use.  In small quantities
they
> are about $10 from Marshall.  Does anyone know if this is the same part
that
> came out in PC modems years ago?
>
> Another source is MX-COM.  They only seem to have serial interface parts
so
> you need a UART as they require proper timing of the serial data.
Actually
> you don't need a UART since they have taken pains to make it tolerant of
> sloppy bit timings but the data rate needs to be accurate.  The MX-COM
parts
> are cheaper than the Rockwell parts.  They have a web site with .pdf data
> sheets.
>
> Cermetek makes a complete modem module but it's really expensive.  It is
> probably the easiest solution if you want a telephone modem.
>
> What other sources of single chip modems have you found?
>
> Is this what you wanted or are you trying to actually build your own
modem?
>
> At 09:51 PM 5/26/97 -0300, you wrote:
> >Is there any aplication note for making an external modem. I'm shure
> >that it's not that complex.
> >
> >