Hi,

i have used a MSP430F149 with 6.0 V over two months - then the IC was dead.
It's an easy method of life time limitation.

A serial diode is better than a resistor for voltage reduction. With a diode 
like 1N4148 you get about 0.7 V less.

Rolf

mspgcc-users@lists.sourceforge.net schrieb am 15.08.04 19:12:18:
> 
> If you want to do that, you have put a serial resistor between the 5 
> Volts signal and the I/O pin of the MSP to limit the current inside the 
> clamp diode to few milliamps.
> 
> Bernard MONDAN
> ___________________________________________________
>  Peter Mueller wrote:
> 
> > Hi,
> >
> > for a prototype I want to connect the msp with some i/o signals from 
> > an 5V supplied i/o board.  Is it possible to use 5V for the msp (I 
> > know there are chips do do 3.3V to 5V signal conversion)?
> >
> > Thanks,
> > Peter
> >
> >
> >
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