I used 2 SED1520 from different manufacturer and they don't have the same pinout, sometime the names are different, DI is for Data/Instruction and is replaced by RS Register Select.
Looking at the datasheet you sent it seems to be the good SED1520.
I suppose you know this page :
If you get something moving on the display, it's a good start. Can you post a photo of the displayed line, is it a complete garbage or is it a set of characters?
--- In GammaSpectrometry@yahoogroups.com, "Andrey" <andrusun@...> wrote:
> Hello! Can somebody help me ..explain about how connect lcd 122x32 with pic18 from previous Gamma-Grapher circuit? I didnt find in Japan same SD1520 ..bought LCD SG12232C ( http://www.microelect.com/lcd/SG12232C.pdf )with sd1520 chip but no result on my screen, just 1 line on top of display. I think it same display but what wrong..soft or hard(..
> Thank you!