數(shù)控直流穩(wěn)壓電源00514-預(yù)覽頁(yè)
【正文】 ADDI BITH=DATA,L=COM SIDH=READ,L=WRITE SCLK BIT EQU EQU顯示數(shù)據(jù)暫存單元 CODER MOV 70H,00H MOV 71H,00H MOV 34H,02 EX0 MOV KEYBUF,00H起初輸出0V電壓 MOV R2,01H 。 MOV 24H,A MOV 25H,A MOV 31H,A MOV 32H,05H MOV 33H,00H MOV LCALL W_LINE MOV 40H,9 MOV LCALL W_LINE MOV 40H,16 鍵盤掃描程序。 DPL CLR選擇1區(qū)工作寄存器 LCALL DELAY MOV A ANL 掃描第一行 LCALL A ANL 第一行沒(méi)鍵按下，則掃描第二行 SJMP 。 LCALL MOV P1,0DFH JZ KENDK2: MOV P1,0BFH CPL A SJMP掃描第四行 DELAY ANL A,0FH FINISH POP ACC ,00H,00H,00H,0AHDB 00H,0AH,00H,00H,0BH。**************************INI: 功能設(shè)定,基本指令 COM,30H MOV 。 LCALL WCOM 進(jìn)入設(shè)定點(diǎn),游標(biāo)7右移,畫(huà)面不移動(dòng) 連續(xù)寫(xiě)入N/2個(gè)中文或者N個(gè)西文字符 W_L1: MOVC MOV INC MOV ANL CODER,A A,71H A MOVC MOV MOV CODER,A MOVC MOV 。 LCALL STWC LCALL W4_D 。 LCALL W4_0連續(xù)送入四個(gè)0 送入高四位指令 連續(xù)送入四個(gè)0 LCALL DEL_2MS LCALL W4_D CS R3,5 。 SID SETB SCLK R3,STWC2 STWD: CS SID SID SCLK SID SCLK 第八位0 SCLK RET MOV SID,C SCLK DJNZ RET MOV SCLK R3,W4_01********************。 R1,200 D2: DJNZ DJNZ RET 。 DEL_40MS: 200MS延時(shí)。 MOV R5,D4 ********************。 LCALL DJNZ******************** DEL_1500MS: DEL_500MS DEL_500MS DEL_500MS 。 。拉低CLK端,形成下降沿 MOV 。拉低CLK端,形成下降沿2 MOV 。拉低CLK端,形成下降沿3 SETB ADDI NOP NOP MOV 。 。 。 循環(huán)8次 MOV接收數(shù)據(jù) MOV R7,8 AD_13: MOV接收數(shù)據(jù) MOV右移一次 SETB ADCLK NOP NOP CLR 。 CJNE數(shù)據(jù)校驗(yàn) 。 。 。 MOV 73H,A降低為送73H單元 SETB ADCS 。========送數(shù)給顯示子程序段======== MOV DPTR,WEL_3 LCALL W_LINE1。 。 JZ清中斷標(biāo)志L2: 為點(diǎn)好就保持原來(lái)送數(shù)。 。 MOV 32H,24H L9:MOV 24H,00H MOV 25H,00H MOV R2,01HL7: 將鍵盤的兩數(shù)相與，查表，然后送數(shù)。 MOVC A,A+DPTR 。 。將鍵盤的第一位數(shù)送給24H 清零送數(shù)時(shí)送數(shù)空間不同的標(biāo)志位。 JMP L7將鍵盤的第二位數(shù)送給25H置送數(shù)時(shí)送數(shù)空間不同的標(biāo)志位。 1 3 5 70 DB 00H,00H,00H,00H,00H,00H,00H,00H,00H,00HDB 01H,01H,01H,01H,01H,01H,01H,01H,01H,01H。 4 DB 04H,04H,04H,04H,04H,04H,04H,04H,04H,04HDB 05H,05H,05H,05H,05H,05H,05H,05H,05H,05H。 8DB 08H,08H,08H,08H,08H,08H,08H,08H,08H,08HDB 09H,09H,09H,09H,09H,09H,09H,09H,09H,09H。 12DB 12H,12H,12H,12H,12H,12H,12H,12H,12H,12HTAB6:DB 00H,05H,10H,15H,20H,25H,30H,35H,40H,45H。 3 DB 50H,55H,60H,65H,70H,75H,80H,85H,90H,95HDB 00H,05H,10H,15H,20H,25H,30H,35H,40H,45H。7 DB 50H,55H,60H,65H,70H,75H,80H,85H,90H,95HDB 00H,05H,10H,15H,20H,25H,30H,35H,40H,45H。 11 DB 50H,55H,60H,65H,70H,75H,80H,85H,90H,95HDB 00H,05H,10H,15H,20H,25H,30H,35H,40H,45H。 1 8 A E DB 14H, 16H, 18H, 1AH, 1CH, 1EH, 20H, 22H, 24H, 26H, 00H, 00H, 00H, 00H, 00H, 00H DB 28H, 2AH, 2CH, 2EH, 30H, 32H, 34H, 36H, 38H, 3AH, 00H, 00H, 00H, 00H, 00H, 00H DB 3CH, 3EH, 40H, 42H, 44H, 46H, 48H, 4AH, 4CH, 4EH, 00H, 00H, 00H, 00H, 00H, 00H DB 50H, 52H, 54H, 56H, 58H, 5AH, 5CH, 5EH, 60H, 62H, 00H, 00H, 00H, 00H, 00H, 00H DB 64H, 66H, 68H, 6AH, 6CH, 6EH, 70H, 72H, 74H, 76H, 00H, 00H, 00H, 00H, 00H, 00H DB 78H, 7AH, 7CH, 7EH, 80H, 82H, 84H, 86H, 88H, 8AH, 00H, 00H, 00H, 00H, 00H, 00H DB 8CH, 8EH, 90H, 92H, 94H, 96H, 98H, 9AH, 9CH, 9EH, 00H, 00H, 00H, 00H, 00H, 00H DB 0A0H, 0A2H, 0A4H, 0A6H, 0A8H, 0AAH, 0ACH, 0AEH, 0B0H, 0B2H, 00H, 00H, 00H, 00H, 00H, 00H DB 0B5H, 0B6H, 0B8H, 0BAH, 0BCH, 0BEH, 0C0H, 0C2H, 0C4H, 0C6H, 00H, 00H, 00H, 00H, 00H, 00H DB 0C8H, 0CAH, 0CCH, 0CEH, 0D0H, 0D2H, 0D4H, 0D6H, 0D8H, 0DAH, 00H, 00H, 00H, 00H, 00H, 00H DB 0DCH, 0DEH, 0E0H, 0E2H, 0E4H, 0E6H, 0E8H, 0EAH, 0ECH, 0EEH, 00H, 00H, 00H, 00H, 00H, 00H DB 0F0H, 0F2H, 0F4H, 0F6H, 0F8H, 0FAH, 0FCH, 0FEH。 50H DB 輸出電壓: WEL_3: 16
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