PIC16C5x Microcontrollers as LCD Drivers


Posted on Sep 3, 2012

The Liquid Crystal Display (LCD) is a thin layer of Liquid Crystal Material deposited between two plates of glass. The raw LCD is often referred to as glass. Electrodes are attached to both sides of the glass. One side is referred to as common or backplane, while the other side is referred to as segment.



Different LCDs have different characteristics; Figure 2 shows typical voltage vs relative contrast characteristics. Notations on the curve show operating points for multiplex operation with the threshold voltage set to 1.7 V RMS . This voltage is of




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