2004字符型液晶模块编程资料

 

 深圳驰宇微CYW-B2004A字符型液晶模块现用驱动IC是SPLC780D，与KS0066是兼容的。大部分字符型液晶模块都用SPLC780D的芯片，希望下面的编程资料对大家有帮助：

RS              EQU    P3.3

RW              EQU    P3.1

E               EQU    P3.0

                ORG    0000H                  

                LJMP   MAIN

                       

                ORG    0200H        

 

mesg_num:   DB20H,21H,22H,23H,24H,25H,26H,27H,28H,29H,2AH,2BH,2CH,2DH,2EH,2FH,30H,31H,32H,33H

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

mesg_char:  DB34H,35H,36H,37H,38H,39H,3AH,3BH,3CH,3DH,3EH,3FH,40H,41H,42H,43H,44H,45H,46H,47H

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

 

mesg_num1:  DB48H,49H,4AH,4BH,4CH,4DH,4EH,4FH,50H,51H,52H,53H,54H,55H,56H,57H,58H,59H,5AH,5BH

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

mesg_char1: DB5CH,5DH,5EH,5FH,60H,61H,62H,63H,64H,65H,66H,67H,68H,69H,6AH,6BH,6CH,6DH,6EH,6FH

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

 

mesg_num2:  DB70H,71H,72H,73H,74H,75H,76H,77H,78H,79H,7AH,7BH,7CH,7DH,7EH,7FH,80H,81H,81H,82H

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

mesg_char2: DB83H,84H,85H,86H,87H,88H,89H,8AH,8BH,8CH,8DH,8EH,8FH,90H,91H,92H,93H,94H,95H,96H

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

 

mesg_num3:  DB 97H,98H,99H,9AH,9BH,9CH,9DH,9EH,9FH,0A0H,0A1H,0A2H,0A3H,0A4H,0A5H,0A6H,0A7H,0A8H,0A9H,0AAH

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

mesg_char3: DB0ABH,0ACH,0ADH,0AEH,0AFH,0B0H,0B1H,0B2H,0B3H,0B4H,0B5H,0B6H,0B7H,0B8H,0B9H,0BAH,0BBH,0BCH,0BDH,0BEH

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

 

mesg_num4:  DB0BFH,0C0H,0C1H,0C2H,0C3H,0C4H,0C5H,0C6H,0C7H,0C8H,0C9H,0CAH,0CBH,0CCH,0CDH,0CEH,0CFH,0D0H,0D1H,0D2H

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

mesg_char4: DB0D3H,0D4H,0D5H,0D6H,0D7H,0D8H,0D9H,0DAH,0DBH,0DCH,0DDH,0DEH,0DFH,0E0H,0E1H,0E2H,0E3H,0E4H,0E5H,0E6H

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

 

mesg_num5:  DB0E7H,0E8H,0E9H,0EAH,0EBH,0ECH,0EDH,0EEH,0EFH,0F0H,0F1H,0F2H,0F3H,0F4H,0F5H,0F6H,0F7H,0F8H,0F9H,0FAH

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

mesg_char5: DB0FBH,0FCH,0FDH,0FEH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

 

mesg_num6:  DB0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH,0FFH

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

mesg_char6: DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

            DB20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H,20H

 

 

CGRpatn:        DB   1FH,1FH,1FH,1FH,1FH,1FH,1FH,00H

                DB   01H,02H,04H,08H,10H,08H,04H,00H      

                DB   15H,15H,15H,15H,15H,15H,15H,00H        

                DB   0AH,0AH,0AH,0AH,0AH,0AH,0AH,00H

 

                ORG    1400H

MAIN:           MOV     SP, #30H

                ACALL   PonInit         ; initialize subroutine

               

 

                MOV     DPTR, #CGRpatn  ; set address for pattern

                MOV     A, #04H         ; No. of character to be initialise

                ACALL   CGRinit         ; Write pattern into CGRAM

 

START:          MOV     DPTR, #mesg_num

                ACALL   mesg_out      

                MOV     R4, #0A0H

                ACALL   delayXms

               

                MOV     DPTR, #mesg_char

                ACALL   mesg_out       

                MOV     R4, #0A0H     

                ACALL   delayXms

 

                MOV     DPTR, #mesg_num1

                ACALL   mesg_out      

                MOV     R4, #0A0H

                ACALL   delayXms

               

                MOV     DPTR, #mesg_char1

                ACALL   mesg_out       

                MOV     R4, #0A0H     

                ACALL   delayXms

 

                MOV     DPTR, #mesg_num2

                ACALL   mesg_out      

                MOV     R4, #0A0H

                ACALL   delayXms

               

                MOV     DPTR, #mesg_char2

                ACALL   mesg_out       

                MOV     R4, #0A0H     

                ACALL   delayXms

 

                MOV     DPTR, #mesg_num3

                ACALL   mesg_out      

                MOV     R4, #0A0H

                ACALL   delayXms

               

                MOV     DPTR, #mesg_char3

                ACALL   mesg_out       

                MOV     R4, #0A0H     

                ACALL   delayXms

 

                MOV     DPTR, #mesg_num4

                ACALL   mesg_out      

                MOV     R4, #0A0H

                ACALL   delayXms

               

                MOV     DPTR, #mesg_char4

                ACALL   mesg_out       

                MOV     R4, #0A0H     

                ACALL   delayXms

 

                MOV    DPTR, #mesg_num5

                ACALL   mesg_out      

                MOV     R4, #0A0H

                ACALL   delayXms

               

                MOV     DPTR, #mesg_char5

                ACALL   mesg_out       

                MOV     R4, #0A0H     

                ACALL   delayXms

 

                MOV     DPTR, #mesg_num6

                ACALL   mesg_out      

                MOV     R4, #0A0H

                ACALL   delayXms

               

                MOV     DPTR, #mesg_char6

                ACALL   mesg_out       

                MOV     R4, #0A0H     

                ACALL   delayXms

 

                LJMP    start

;***********************************************************************

;   routine     : mesg_out

;

;   Description :

;

;***********************************************************************

mesg_out:       MOV     R4,#20

                MOV     A,#80H

                ACALL   WIR8

m_out1:         CLR     A

                MOVC    A, @A+DPTR

                ACALL  WDR8

                INC     DPTR