20x4 Character LCD with LED Backlight (Parallel Interface), Black on Green

This 20 x 4 LCD packs 80 characters into an outline smaller than that of most four-line displays. An LED backlight enables optimal viewing in all lighting conditions. This unit uses the HD44780 interface found on most parallel character displays.

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File downloads

Crystalfontz CFAH2004K-YYH LCD datasheet (3MB pdf)
HD44780 interface datasheet (330k pdf)

This document details the HD44780 parallel interface that is an industry standard for dot-matrix LCDs.