Sunday, June 6, 2010

LCD Interfacing using PIC16F877A

PIC16F877A is used here to display message on the Hitachi HD44780-based character LCD module. PIC16F877A is 8-bit microcontroller based on reduced instruction set computer (RISC) architecture.Here PIC16F877A microcontroller is connected to HD44780 LCD in 4-bit interface data, only four bus lines (DB4 to DB7) are used for data transfer.
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Thursday, June 3, 2010

20x4 LCD programming

Interface At89C51 to 20X4 character LCD.The program code is given in C and also Hex file is provided.LCD initialisation code,working of control pins and Busy flag polling codes  .
 Out put

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