have a look at application note SLAA148 from TI's webhome ( Interfacing the 3-V MSP430 to 5-V Circuits ) ... this may help matthias
-----Ursprüngliche Nachricht----- Von: bernard mondan [mailto:bernard.mon...@free.fr] Gesendet: Sonntag, 15. August 2004 20:45 An: mspgcc-users@lists.sourceforge.net Betreff: Re: [Mspgcc-users] msp with 5V supply 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 > > > > ------------------------------------------------------- > SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media > 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 > Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. > http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 <http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285> > _______________________________________________ > Mspgcc-users mailing list > Mspgcc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/mspgcc-users <https://lists.sourceforge.net/lists/listinfo/mspgcc-users> > > ------------------------------------------------------- SF.Net email is sponsored by Shop4tech.com-Lowest price on Blank Media 100pk Sonic DVD-R 4x for only $29 -100pk Sonic DVD+R for only $33 Save 50% off Retail on Ink & Toner - Free Shipping and Free Gift. http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285 <http://www.shop4tech.com/z/Inkjet_Cartridges/9_108_r285> _______________________________________________ Mspgcc-users mailing list Mspgcc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/mspgcc-users <https://lists.sourceforge.net/lists/listinfo/mspgcc-users>