Lpc2000

Take a look at TI cross. They are much cheaper, widely available.

 

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From: Micron Engineering [mailto:micronpn@...] 
Sent: Sunday, November 07, 2004 9:18 AM
To: lpc2000@yahoogroups.com
Subject: Re: [lpc2000] MAX3232 and MAX232

 

Leon Heller wrote:

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>>From: "acetoel" <acetoel@...>
>>Reply-To: lpc2000@yahoogroups.com
>>To: lpc2000@yahoogroups.com
>>Subject: [lpc2000] MAX3232 and MAX232
>>Date: Sun, 07 Nov 2004 16:50:26 -0000
>>
>>
>>
>>Hello...
>>I'm makign my own board for LPC. May I used a Max232 instead of the
>>MAX3232 that everybody use? I'm taking in consideration that LPC
>>I/O's are 5V tolerant...
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>>
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>I've had a MAX202 working OK at 3.3V, so a MAX232 will probably be OK. The 
>MAX3232 would be best, if you can get one, as it will be within its spec.
>
>Leon
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>Yahoo! Groups Links
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MAX232 and MAX202 may work but RS232 voltage levels (and currents) 
aren't guaranteed so it is not design a board using MAX202 and MAX232 to 
work at a nominal level under +5V. You have to read carefully datasheet 
and see output voltage swing in function of Vcc and you may see that may 
drop down to 4.5V that is a very bad value.


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