Am Freitag, 4. August 2006 03:19 schrieb Eric Vickery: > That is a really strange reference design and I hadn't see that one > before, it doesn't make any sense to tie D7 to ground. > If you don't need the extended character set and the busy flag, tying D7 to GND is quite ok. But I need äöüÄÖÜß, which are at 0x80+ positions -- not with HD44780s character ROM, but with its successor HD66712.
> All of the other > 1-Wire designs I have seen are 4 bit, including AAGs and the one in the > data sheet for the DS2408. Since there are only 8 I/O lines and RSTZ on > the DS2408 you can't use an 8 bit interface to the LCD because with the > strobe line and the DATA/CMD line it takes 10 I/O lines for an 8 bit > interface. > Hm. Is the schematic at http://www.hobby-boards.com/catalog/links/lcd2-r1/LCD Driver v2.0 Schematic.pdf the correct one for the 4-Bit owfs LCD driver? Then I will connect the P3..P7 and -STROBE line like that. Kind regards Jan -- ELIZA: You have a tendency to feel you are superior to most computers. ------------------------------------------------------------------------- Take Surveys. Earn Cash. Influence the Future of IT Join SourceForge.net's Techsay panel and you'll get the chance to share your opinions on IT & business topics through brief surveys -- and earn cash http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV _______________________________________________ Owfs-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/owfs-developers
