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AN563
Using PIC16C5X Microcontrollers as LCD Drivers
Author:
Al Lovrich Microchip Technology Inc.
INTRODUCTION
This application note describes an LCD controller implementation using a PIC16C55 microcontroller. This technique offers display capabilities for applications that require a small display at a low cost, together with the capabilities of the standard PIC16C55 microcontroller. We start by an overview of LCD devices and their theory of operation followed by software implementation issues of the controller. The source code for controlling a multiplexed LCD display is included in Appendix A.
LIQUID CRYSTAL DISPLAYS
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”.
AN563 Datasheet
