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HD44780 Compatible

Adds support for LCDs based on the HD44780 controller chip - or compatibles.
This chip requires 3 control lines and either 4 or 8 data lines. All of these pins are general IO pins.
The 4 pin method requires a few less pins than the 8 pin method but is slightly slower in operation.
This device also supports a number of different sized displays. The number of lines/rows is normally 1,2 or 4 but the number of columns can typically be 8, 16, or 20.
These settings can be specified in Project Designer.
Function Summary

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