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Message

Re: Mega324p port info

2008-04-29 by Bob Gardner

So, I'm assuming from the replies that, even though the 324P can 
operate at 2.7V to 5.5V, if I power it from 3.3V it can't tolerate 5V 
at an input?  Is that correct?

Thanks,

Bob


--- In AVR-Chat@yahoogroups.com, John Samperi <samperi@...> wrote:
>
> At 03:11 PM 29/04/2008, you wrote:
> >The best , over and over, has been to use a 74LCX125.
> 
> I would be tempted to use I2C level converters
> something like a PCA9515 or other similar 8
> pin repeaters. They have nothing much more than
> a couple of fets per channel.
> 
> A P82B96 can buffer 2-15V busses.
> 
> I have used them for purposes other than I2C stuff.
> 
> Microchip may do cheaper versions of similar chips.
> 
> Regards
> 
> John Samperi
> 
> ********************************************************
> Ampertronics Pty. Ltd.
> 11 Brokenwood Place Baulkham Hills, NSW 2153 AUSTRALIA
> Tel. (02) 9674-6495       Fax (02) 9674-8745
> Email: john@...
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