what does this circuit tell the original poster about???? its not related to what he has asked.......
The schematic further clarifies how a LCD module is to be interfaced to a microcontroller. As to grounding of unused D0..D3, I think they have internal pullups and can be left floating safely, without causing issues. Will do a double-check and confirm, though!
As to grounding of unused D0..D3, I think they have internal pullups and can be left floating safely, without causing issues.
Check pins 15 & 16.
Do you really read the post...read the first post and understand the posters requirement...
he says on ISIS he has lcd with 14 pins
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