Author Topic: NHD-3.12-25664UCW2 + Dev Board Setup  (Read 664 times)


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NHD-3.12-25664UCW2 + Dev Board Setup
« on: May 29, 2019, 02:23:00 PM »

I've just received the NHD-3.12-25664UCW2 and a dev board from Mouser, but I am having trouble setting up a demo.

I've got the board wired for 4-wire serial, but I am not getting any image.

Is there a wiring config that I can reference? The website did not have one for this panel, and I'm not sure where else to look.

Thank you,


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Re: NHD-3.12-25664UCW2 + Dev Board Setup
« Reply #1 on: May 29, 2019, 03:21:37 PM »
The NHDev board uses the 8-bit parallel interface in 6800 mode to communicate with this display. 

We currently do not have a wiring diagram showing the connections between the NHD-3.12-25664UCW2 display and NHDev board.
However, the NHDev board's pins (seen on page 6 of the user guide) can be matched to the names of the pins on the OLED display.

NHDev Board 

OLED Display:

(D/C on the OLED is the same as RS on the NHDev board).

As for the MPU Interface selection pins BS1 and BS2 on the OLED, they both need to be tied HIGH to select 6800 mode.

Best Regards,


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Re: NHD-3.12-25664UCW2 + Dev Board Setup
« Reply #2 on: May 30, 2019, 10:02:01 AM »

Thank you very much.

I'll be sure to update this thread with any news.



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