4bit2.asm

Library for the 8051 microcontroller. such as math routine, hexBCD, LCD, Keyboard, I2C, Remote, Ke

;TESTED 4-BIT LCD CODE FOR 16X2 AND 16X4 DISPLAY (HD44780 COMPATABLE LCD)
;CREATED BY ASIF ALI (DARE DEVIL)
;FEEL FREE TO ASK IF ANY PROBLEM
;EMAIL ID:	[e-mail]
;EMAIL ID:	[e-mail]
;PIN CONFIGURATION
;P1.7 --------> DB7
;P1.6 --------> DB6
;P1.5 --------> DB5
;P1.4 --------> DB4
;P3.7 --------> EN
;P3.5 --------> RS
;P3.4 --------> RW
;FOR 16X2 DISPLAY ITS READEY TO RUN CODE JUST MAKE HEX AND BURN IT ON MCU
;=========================================================================
;NOTE: FOR 16X4 JUST REMOVE COMMENT SIGN ";" WHERE ITS WRITTEN ";(16X4)"
;=========================================================================
;AND AT END I WOULD LIKE TO THANK ALL OF MEMBERS OF 8052 WHO GAVE ME SUCH
;IMPORTANT KNOWLEDGE ABOUT LCD INTERFACING TO LCD PROGRAMMING.
;SO GUYS JUST BURN THE PROGRAM ON MCU AND HAVE FUN IT WILL BE LOOK LIKE
;=========================================================================
;                            PREVIEW
;     FOR 16X2
;+----------------+
;