This is slightly off-topic, but, wanted to leverage the experience of this group.
We are running a PIC at 3.3V and need to interface to a 5V LCD.
1) has anyone run this WITHOUT level shifting?
2) Do you supplying -2.0V on the LCD ground pin would work?
thanks in advance
[OT] LCD question
Moderators: David Barker, Jerry Messina
3.3v pic is the obvious choice
If the LCD is spi then might be able to connect the pullups to the 3.3v line or I might be getting confused with i2c
Have a look here
http://www.scienceprog.com/interfacing- ... -circuits/
Or look here for 3.3v lcd's
http://www.soselectronic.com/?str=320
If the LCD is spi then might be able to connect the pullups to the 3.3v line or I might be getting confused with i2c
Have a look here
http://www.scienceprog.com/interfacing- ... -circuits/
Or look here for 3.3v lcd's
http://www.soselectronic.com/?str=320