Steve, Let me know which LCD controller IC you are using. Most of them have inputs which are 5V tolerant. As far as the Micro is concerned it can always accept 3.3V signals from the LCD controller. Girish ----- Original Message ----- From: "Steve GullWing UK" <Steve@xxxxxxxxxxxxxx> To: "Signal Integrity Forum" <si-list@xxxxxxxxxxxxx> Sent: Saturday, December 13, 2003 5:51 AM Subject: [SI-LIST] Fw: 5V To 3V > > > > Dear SI'ers, > > I am trying to interface a 5V micro-controller to a > 3V > > LCD Controller IC. What is the easiest and cheapest way to do this. > > > > Regards > > Steve M > > GW Ltd > > > > ------------------------------------------------------------------ > To unsubscribe from si-list: > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field > > or to administer your membership from a web page, go to: > //www.freelists.org/webpage/si-list > > For help: > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field > > List technical documents are available at: > http://www.si-list.org > > List archives are viewable at: > //www.freelists.org/archives/si-list > or at our remote archives: > http://groups.yahoo.com/group/si-list/messages > Old (prior to June 6, 2001) list archives are viewable at: > http://www.qsl.net/wb6tpu > > ------------------------------------------------------------------ To unsubscribe from si-list: si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field or to administer your membership from a web page, go to: //www.freelists.org/webpage/si-list For help: si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field List technical documents are available at: http://www.si-list.org List archives are viewable at: //www.freelists.org/archives/si-list or at our remote archives: http://groups.yahoo.com/group/si-list/messages Old (prior to June 6, 2001) list archives are viewable at: http://www.qsl.net/wb6tpu