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

2005-11-11 by Martin Maurer

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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-- 
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Ake Hedman (YAP - Yet Another Programmer)
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