check out this link
http://www.classiccmp.org/cini/pdf/re/Build%20a%20Speech%20Synthesizer%20(1=
2
88).pdf

May be it will help you.
Rodolfo
-----Mensaje original-----
De: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu]En nombre de
Thomas Sefranek
Enviado el: Saturday, March 17, 2012 2:04 PM
Para: Microcontroller discussion list - Public.
Asunto: Re: [OT]: Datasheet needed


I believe I may still have the data.,,,, somewhere.

On Mar 17, 2012, at 12:37 PM, jim wrote:

> All,
>
> Would anyone on the list have the datasheet for the National Semiconducto=
r
> DigiTalker Chip Set?  Nat Semi part number MM54104.
> It was also sold by Jameco as part number DT1050 (I believe IIRC).
>
> I have searched my stock and files, but can't find the datasheet.  I foun=
d
> the chipset, but have no data.
> I have searched the web and can find the pinout and some rough spec's, bu=
t
I
> need a little more application data.
>
> Yes, I know it is obsolete, but this is a one off (for right now anyway).
> If I need further, I'll try a different chipset.
> But this will prove (or disprove) the concept.
>
> Send any data to me off list if you choose.
>
> Thanks and Regards,
>
> Jim
>
> --
> http://www.piclist.com PIC/SX FAQ & list archive
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> http://mailman.mit.edu/mailman/listinfo/piclist

  *
  |  __O    Thomas C. Sefranek  wa1rhp@comcast.net
  |_-\<,_   Amateur Radio Operator: WA1RHP
  (*)/ (*)  Bicycle mobile on 145.41 MHz.

ARRL Instructor, Technical Specialist, VE Contact.

http://www.harvardrepeater.org


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