The one gotcha with 4-bit mode is that you need to send the high nibble then the low nibble. Other than that its pretty straight forward!
Graham Davies wrote:
Graham Davies wrote:
--- In AVR-Chat@yahoogroups.com, Eric wrote:
> most LCD displays will do a
> four bit mode as well as 8 bit
That's because most LCD modules use the HD44780 controller.
> But I think on a four bit mode
> you loose a function, not been
> able to make your own character.
No, that's not true. You don't lose anything. Not even speed as you
still have to wait for the controller to catch up with the MCU.
> so that gets it down to 7, D1 to
> D4, !enable, R/!W, and register select.
Yes, that's right.
Graham.
Do you Yahoo!?
The all-new My Yahoo! � Get yours free!