LCD(help please)
Discussion in "Project Help" started by star Dec 29, 2007.
Sat Dec 29 2007, 08:38 pm
I write an assembly program for LCD that shows 2 sentence .I need it's shematic in proteus but I can't do it.I should do it for tomorrow with 2*20 Lcd and 8051 microcontroller.I try but I can't do it.thanks
Sat Dec 29 2007, 08:40 pm
org mov A,#38H ACALL command mov A,#0EH ACALL command mov A.#01H ACALL command mov A,#06H ACALL command mov A,#80H ACALL command mov A,#'8' ACALL Data_Display mov A,#'0' ACALL Data_Display mov A,#'5' ACALL Data_Display mov A,#'1' ACALL Data_Display mov A,#'' ACALL Data_Display mov A,#'m' ACALL Data_Display mov A,#'i' ACALL Data_Display mov A,#'c' ACALL Data_Display mov A,#'r' ACALL Data_Display mov A,#'o' ACALL Data_Display mov A,#'c' ACALL Data_Display mov A,#'o' ACALL Data_Display mov A,#'n' ACALL Data_Display mov A,#'t' ACALL Data_Display mov A,#'r' ACALL Data_Display mov A,#'o' ACALL Data_Display mov A,#'l' ACALL Data_Display mov A,#'l' ACALL Data_Display mov A,#'e' ACALL Data_Display mov A,#'r' ACALL Data_Display mov A,#C8H ACALL command mov A,#'I' ACALL Data_Display mov A,#'A' ACALL Data_Display mov A,#'U' ACALL Data_Display mov A,#'T' ACALL Data_Display Here: SJMP Here command: ACALL Ready mov P1,A CLR P2.0 CLR P2.1 SETB P2.2 CLR P2.2 RET Date_Display: ACALL Ready mov P1,A SETB P2.0 CLR P2.1 SETB P2.2 CLR P2.2 RET Ready: SETB P1.7 CLR P2.0 SETB P2.1 Back: CLR P2.2 SETB P2.2 JB P1.7,Back RET END
[ Edited Sun Dec 30 2007, 12:05 am ]
Sat Dec 29 2007, 08:44 pm
what are u saying?? u wrote the program and dont have an idea about schematic?? how is it possible
Sat Dec 29 2007, 09:02 pm
I know that LCD pin where connect!!! microcontroller pin I means!!! and some of them I know but I can not find in proteus!!!!!
Sun Dec 30 2007, 12:06 am
look for LM032L in device list.. it has same pinouts and working as HD44780 character based LCDs.
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