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Re: [lpc2000] Is LPC2138 UART levels OK for a 5V part?

2005-11-11 by Ake Hedman, eurosource

I send it directly to you.

/Ake

Martin Maurer wrote:

> Can you upload the code ? Thanks !
>
> Regards,
>
>        Martin
>
> ----- Original Message -----
> From: "Ake Hedman, eurosource" <akhe@...>
> To: <lpc2000@yahoogroups.com>
> Sent: Thursday, November 10, 2005 10:25 PM
> Subject: Re: [lpc2000] Is LPC2138 UART levels OK for a 5V part?
>
>
> Not my business but why use the DS-2480?  Its code available for
> 1-Wire/LPC that works perfectly with the use of one pin and a pull up
> resistor. Send you a copy if you like.
>
> /Ake
>
>
> fredrikssonjohan wrote:
>
> > Hi!
> >
> > Sorry if this is a stupid question, but I haven't found any good info
> > about the UART levels so I better ask!
> >
> > Need to connect a LPC2138 to a Maxim (Dallas) DS2480B which is on 5V.
> > Can they talk as it is or do I need a 3.3 to 5V buffer between?
> >
> > Thanks for any help!
> >
> > Cheers
> > /Johan
> >
> >
> >
> >
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>
> -- 
> ---
> Ake Hedman (YAP - Yet Another Programmer)
> eurosource, Brattbergavägen 17, 820 50 LOS, Sweden
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-- 
 ---
Ake Hedman (YAP - Yet Another Programmer)
eurosource, Brattbergavägen 17, 820 50 LOS, Sweden
Phone: (46) 657 413430 Cellular: (46) 73 84 84 102
Company home: http://www.eurosource.se      
Kryddor/Te/Kaffe: http://www.brattberg.com
Personal homepage: http://www.eurosource.se/akhe
Automated home: http://www.vscp.org



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