Noritake Fluorescent Display CU20025ECPB-W1J
Download the data sheet here
JP1 is used to reset the module
JP2 is used to select between interface modes. When JP2 is open it selects M68 mode and JP2 is shorted (default when shipped) it selects i80 mode. Most people use displays in M68 mode which will require the jumper on JP2 to be removed. If this jumper is not set properly it could cause damage to the displays interface electronics. Symptoms of a display that is not set correctly are garbage character on the screen or no display at all.
JP3 and JP4 are for factory use only.
For more information on the jumpers consult the data sheet section 8.5. A link to the data sheet is found at the top of this web page.
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