單片機(jī)課程設(shè)計(jì)_密碼鎖設(shè)計(jì)-文庫吧資料
2024-09-05 21:33本頁面
【正文】 MOV R1, 78H MOV 20H, 00H CLR MOV A, 00H MOV DPTR, MAIN MOV 78H, 0CH MOV 79H, 0FFH MOV 7AH, 0FFH MOV 7BH, 0FFH MOV 7CH, 0FFH MOV 7DH, 0FFH MOV 7EH, 0FFH MOV 7FH, 0FFH 21 LOOP: LCALL DISP LCALL KEYCL JB , KEY11 JB , KEY12 JB , KEY13 JB , KEY14 JB , KEY15 JB , KEY16 JB , KEY17 JB , KEY18 CLR CY DEC R0 MOV R4,A MOVC A, A+DPTR 。 電路描述：采用芯片 AT89S52 單片機(jī)，利用 P1 口與鍵盤相連，做輸入口， P0口與顯示器段控相連，輸入段控碼， P2口輸入位控碼，將 口 與蜂鳴器和二極管電路相連，產(chǎn)生錯(cuò)誤報(bào)警。astronautics press, [2] 康華光 .電子技術(shù)基礎(chǔ) 模擬部分 (第五版 ) [M].北京：高等教育出版社， 2020 kang uh guano. Electronic technology foundation simulation part (fifth edition) [M]. Beijing: higher education press, 2020 [3] 閻石，數(shù)字電子技術(shù)基礎(chǔ) (第五版 ) [M].北京：高等教育出版社， 2020 YanShi, digital electronic technology foundation (fifth edition) [M]. Beijing: higher education press, 2020 [4] 邱光源 .電路 (第 五 版 ) [M].北京 ： 高等教育出版社 ， 2020 QiuGuangYuan. Circuit (fifth edition) [M]. Beijing: higher education press, 2020 14 附 錄 附錄 A：電路原理圖 15 圖 A 密碼鎖電路原理圖 123456ABCD654321DC BATitleNumberRevisionSizeBDate:5Jan2020 Sheet of File:E:\資料\學(xué)習(xí)資料\單片機(jī)\yu數(shù)碼管系統(tǒng).ddbDrawn By:1 2 3 4 5 6 7 8JP1CON81 2 3 4 5 6 7 8JP2CON81 2 3 4 5 6 7 8JP3CON81 2 3 4 5 6 7 8JP4CON8P00P01P02P03P04P05P06P07P10P11P12P13P20P21P22P23P24P25P26P27P30P31P32P33P34P35P36P37單排插12J1CON21122J3USBSSVCCR131KD9 LEDGND電源R111200R2221KVCCS1+C3 22uFRET復(fù)位電路1 2JP5CON2D1 LEDD2 LEDD3 LEDD4 LEDD5 LEDD6 LEDD7 LEDD8 LEDRP0470RP1470RP2470RP3470RP4470RP5470RP6470RP7470XXXVCCP30P31P32P33P34P35P36P37XXX流水燈電路VCC1 2 3 4 5 6 7 8 9J2 10KS2 S3 S4 S5 S6 S7 S8 S9獨(dú)立鍵盤電路Y112MHzC1 33pF C2 33pFX1 X2晶振電路EA/VP31X119X218RESET9RD17WR16INT012INT113T014T115P101P112P123P134P145P156P167P178P0039P0138P0237P0336P0435P0534P0633P0732P2021P2122P2223P2324P2425P2526P2627P2728PSEN29ALE/P30TXD11RXD10U1AT89S5212JX2CON2R121KLS1BELLVCCPNP9Q9 9012B21B21P31短路帽蜂鳴電路單片機(jī)控制系統(tǒng)VCCP10P11P12P13P14P15P16P17P32P33P34P35RETX1 X2 P36P37PSENALE/PP30P31P20P21P22P23P24P25P26P27P00P01P02P03P04P05P06P07123456789J5 10KVCCP00P01P02P03P04P05P06P071122334455667788991010ISPWEISPVCCP15P16P17RET下載口PNP1Q1 9012PNP2Q2 9012PNP3Q3 9012PNP4Q4 9012PNP8Q8 9012PNP7Q7 9012PNP6Q6 9012PN
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