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I use an KitCon c515c and KItCon-can with LCD.My problem is that i can't display nothing on display.The DB0-DB7 on LCD are on Do-D7 on KitCan,and control signal are on A6-A9 on Kitcan. Help me.Sorry my language.
"I use an KitCon c515c"
So what is that, then?
"and KItCon-can"
and what's that?
"with LCD"
Do you mean that one of these "KitCon" things has an LCD in/on/with it?
Or are you adding this LCD separately?
"i take the datasheeat on internet about my lcd(BT21605)and there don't write nothing about Initialization or somthing else"
If you have no experience with LCDs, and no information about this particular LCD, then you're stuck.
You need to find an LCD that does come complete with full documentation - then, once you have gained a basic understanding of LCDs, you might be able to figure out this "undocumented" LCD.
But trying to figure out an undocumented LCD when you know nothing about LCDs at all is probably not a wise approach...