i have a printed manual with this info. here is a quick description of how to write a character 'R' to the map. using the common 5x7 dot pattern set the cg ram address as follows 7 6 5 4 3 2 1 0 x x c c c L L L x - don't care c - custom character number ( 0 - 7 ) L - dot line number ( 0 - 7 ) the data is written into the lower 5 bits of the cg data xxx11110 xxx10001 xxx10001 xxx11110 xxx10100 xxx10010 xxx10001 xxx00000 connect all the '1's to see the pattern michael You may leave the list at any time by writing "SIGNOFF PICLIST" in the body of a message to LISTSERV@MITVMA.MIT.EDU. -----Original Message----- From: Brian Striggow To: PICLIST@MITVMA.MIT.EDU Date: Sunday, November 29, 1998 8:49 PM Subject: Re: Hitachi LCD custom characters > I have numerous sources of data which specify the command to send >to a Hitachi driven LCD display for defining custom characters. However, >none actually specify how to map out the character. > > Has anybody done this or seen a source for the info?? > >tnx >bcs >