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DLX713X Datasheet(PDF) 4 Page - OSRAM GmbH |
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DLX713X Datasheet(HTML) 4 Page - OSRAM GmbH |
4 / 4 page 2000 Infineon Technologies Corp. • Optoelectronics Division • San Jose, CA Appnote 25 www.infineon.com/opto • 1-888-Infineon (1-888-463-4636) OSRAM Opto Semiconductors GmbH & Co. OHG • Regensburg, Germany www.osram-os.com • +49-941-202-7178 4 May 31, 2000-13 Program Listing 1 ; BY DAN WATSON 2 ; TO DO LAMP TEST,SET 100% BRIGHTNESS 3 ; AND WRITE ‘SIEMENS*’ 4 5 ; P3.0 = BLO\ 6 ; P3.1 = BL1\ 7 ; P3.2 = LT\ 8 ; P3.6 = WR\ 9 10 ; RO = DIGIT ADDRESS ( CHIP ENABLES – CE\ ) 11 ; R1 = DIGIT COUNTER 12 ; R7 = R6 = R5 = WAIT REGISTERS 13 14 0000 .ORG 00H 15 0000 02 00 03 INIT:JMP BEGIN 16 0003 12 00 24 BEGIN:CALL WAIT1 ; DELAY FOR uC TO STABILIZE 17 0006 75 B0 00 MOV P3,#00H ; LAMP TEST 18 0009 12 00 24 CALL WAIT1 ; DISPLAY LT\ FOR A WHILE 19 000C 75 B0 07 MOV P3,#07H ; SET ALL 8 DISPLAYS TO 100% BRT 20 000F 00 NOP 21 0010 00 NOP 22 0011 78 00 MOV R0,#00H ; DIGIT 7 ADDRESS 23 0013 79 08 MOV R1,#08H ; 8 DIGIT COUNTER 24 0015 74 00 MOV A,#00H ; CLEAR ACC. 25 0017 90 00 37 MOV DPTR,#TEXT ; ADDRESS OF THE MESSAGE 26 001A 93 WRT:MOVC A,@A+DPTR ; LOAD FIRST CHAR. INTO THE ACC. 27 001B F2 MOVX @R0,A ; DIGIT ADDRESS AND DATA WRITE 28 001C A3 INC DPTR ; NEXT CHARACTER ADDRESS 29 001D 08 INC R0 ; NEXT DIGIT (6) ADDRESS 30 001E E4 CLR A 31 001F D9 F9 DJNZ R1,WRT ; WRITE ALL 8 CHAR. 32 0021 00 GO:NOP 33 0022 01 21 JMP GO ; MESSAGE ALWAYS ON 34 0024 35 0024 36 0024 7F 88 WAIT1:MOV R7,#88H ; DELAY LOOPS 37 0026 00 NOP 38 0027 7E FF WAIT2:MOV R6,#FFH 39 0029 00 NOP 40 002A 7D FF WAIT3:MOV R5,#FFH 41 002C 00 NOP 42 002D DD FE DJNZ R5,$ 43 002F 00 NOP 44 0030 DE F8 DJNZ R6,WAIT3 45 0032 00 NOP 46 0033 DF F2 DJNZ R7,WAIT2 47 0035 00 NOP 48 0036 22 RET 49 50 0037 53 49 45 4D 45 TEXT:DB ‘SIEMENS*’ 003C 4E 53 2A 51 003F 52 003F .END |
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