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VHDL - comment gérer le RS232 en vhdl ?

 
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Old 02-29-2004, 07:49 PM   #1
Default comment gérer le RS232 en vhdl ?


j'utilise le RS232 en sortie de mon programme VHDL ?
vous avez des conseils a me donner ?
comment faire pour gérer le RS232 en VHDL ?

je m'y connais pas trop en VHDl mais je suis obligé de faire ça.


Merci




Arnaud
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Old 03-01-2004, 12:46 PM   #2
Jonathan Bromley
 
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Default Re: comment gérer le RS232 en vhdl ?
On Sun, 29 Feb 2004 20:49:15 +0100, "Arnaud" <>
wrote:

>j'utilise le RS232 en sortie de mon programme VHDL ?
>vous avez des conseils a me donner ?


un liaison RS232 exige un niveau de tension au moins +/- 5V
et c'est impossible en VHDL tout court. Vous avez besoin d'un
puce "line interface" (voir MAX222, etc).

>comment faire pour gérer le RS232 en VHDL ?


Utiliser Google, chercher "VHDL UART". Vous en y trouvez
des milliers.


Jonathan Bromley
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