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Djnz r6 d2

Web--led delay mov r7 #250 1 d1 mov r6 #250 2 d2 djnz r6 d2 3 djnz r7 d1 4 ret 5 end djnz a #250 b c 3 4 r6 r7 0 c ret reti 1 djnz . e-mail:[email protected]:13564769866. 60. qq. 180625111. 8751. 10579990. 71537 led / clr a mov r2 20h mov r1 22h loop add a @r1 inc r1 djnz r2 loop mov 21h a 22h 20h 21h 255 ram 21h 20h . WebAug 26, 2011 · 2. DJNZ ：这是另一条指令，我们来看一下这条指令后面跟着的两个东西，一个是 R6 ，一个是 D2 ， R6 我们当然已知是什么了，查一下 D2 是什么。. D2 在本行的 …

8051/8052 Instruction: DJNZ - 8052.com

Webdjnz r7,$ djnz r6,d2 djnz r5,d1 ret end 例14：at89c51单片机的p1.0到p1.3端口接四个发光二极管d1到d4，p1.4到p1.7端口接了四个开关，编程将开关的状态反映到发光二极管上.（每个开关相对应不同的发光二极管） org 00h start: mov a,p1;读取p1口数据 dec r1 dec r1；r1指向 … WebMOV R6,#200 BACK:MOV R5,#100 HERE:DJNZ R5, HERE DJNZ R6,BACK END. advertisement. a) 100 b) 200 c) 20000 d) 2000 View Answer. Answer: c Explanation: It … css line text https://mcelwelldds.com

51单片机汇编延时计算详细分析_tzshlyt的博客-CSDN博客

http://phuclanshop.com/huong-dan-ban-viet-10-chuong-trinh-ung-dung-co-ban-cho-ic-vi-dieu-khien-at89c51 WebJan 4, 2010 · 汇编延时程序. ;用6MHz晶振，51单片机，一个机器周期为2us。. 延时10s子程序如下. 3:以前用汇编语言写单片机程序的时候，这个问题还是相对容易解决的。. 比如用的是12MHz晶振的51，打算延时20us，只要用下面的代码，就可以满足一般的需要：. 51单片机的 … WebApr 2, 2024 · DEL1S:MOV R7,#10\x0d\x0aD1: MOV R6,#200\x0d\x0aD2: MOV R5,#250\x0d\x0a DJNZ R5,$\x0d\x0a DJNZ R6,D2\x0d\x0a DJNZ R7,D1\x0d\x0a RET\x0d\x0a\x0d\x0a说明：1、如果不使用R5、R6、R7可以用别的单元替换，比如换成30H、31H、32H等等\x0d\x0a 2、这个程序是12M时钟，如果时钟不同，要修改数值。 earl of warwick boots

51单片机汇编语言延时程序[单片机汇编延时函数怎么写]_Keil345 …

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Djnz r6 d2

RefreshNotes: 8051 DJNZ Instruction

WebThe DJNZ instruction decrements the byte indicated by the first operand and, if the resulting value is not zero, branches to the address specified in the second operand. Note: When … WebApr 21, 2014 · 单片机程序说明解释. ORG 0 START: MOV R2,#8 MOV A,#0FEH SETB C LOOP: MOV P1,A LCALL DELAY RLC A DJNZ R2,LOOP MOV R2,#8 LOOP1: MOV …

Djnz r6 d2

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WebApr 14, 2024 · 用汇编怎么写51单片机的延时程序？ DEL1S:MOV R7,#10\x0d\x0aD1: MOV R6,#200\x0d\x0aD2: MOV R5,#250\x0d\x0a DJNZ R5,$\x0d\x0a DJNZ R6,D2\x0d\x0a … Web1,DJNZ用法：DJNZ Rn,rel. 许多程序中说DJNZ R6,D2会转移到D2处，怎么会。 DJNZ指令有两种格式：DJNZ Rn,rel和DJNZ direct,rel，前者为双字节指令，其中第二个人字节存 …

http://www.yidianwenhua.cn/hangye/153139.html WebMar 23, 2011 · 单片机中子程序延时时间的计算DELAY:MOV R6,#20 D1:MOV R7 ,#250 D2:DJNZ R7,D2 DJNZ R6,D1 频率12MHZ. 分享. 举报. 3个回答. #热议# 哪些癌症可能会 …

WebDescription: DJNZ decrements the value of register by 1. If the initial value of register is 0, decrementing the value will cause it to reset to 255 (0xFF Hex). If the new value of … Web51单片机广告灯的左移右移的内容摘要：4．广告灯的左移右移1．实验任务做单一灯的左移右移，硬件电路如图4.4.1所示，八个发光二极管l1－l8分别接在单片机的p1.0－p1.7接口上，输出“0”时，发光二极管亮，开始时p1.0→p1.1→p1.2→p1.3→┅→p1.7→p1.6

WebApr 13, 2024 · djnz r7,$ djnz r6,d2. djnz r5,d1. ret. end. 51各功能模块流程图和程序的介绍就聊到这里吧，感谢你花时间阅读本站内容，更多关于51模型、51 ...

WebR6 DEC R6 ADD A, R6 ADDC A, R6 ORL A, R6 ANL A, R6 XRL A, R6 MOV R6, #data [2B] FINC R7 DEC R7 ADD A, R7 ADDC A, R7 ORL A, R7 ANL A, R7 XRL A, R7 MOV R7, #data [2B] Instruction Set 2-73 ... DJNZ R6, rel [2B, 2C] MOV A, R6 MOV R6. A FMOV dir, R7 [2B, 2C] SUBB A, R7 MOV R7, dir [2B, 2C] CJNE R7, #data, rel [3B, 2C] XCH A, R7 … css line text middleWebSep 27, 2012 · ;all delays routines here delay_seg segment code rseg delay_seg ;delay of 1ms subroutine delay1ms: mov r7,#250 djnz r7,$ mov r7,#247 djnz r7,$ ret ;delay of … css line shippingWebD/W R6-2Z. Stainless steel single row deep groove ball bearing with seals or shields on both sides, provide greater chemical and corrosion resistance. As with deep groove ball … earl of tyrone irelandWebtlowequ 00h thigh equ 0eeh coun0 equ 200 5ms * 200 = 1s coun1 equ 3fh 密码的位数 d_time equ 3eh 设置密码时的时间限制 sec eq css line wrapWebDescription: DJNZ decrements the value of register by 1. If the initial value of register is 0, decrementing the value will cause it to reset to 255 (0xFF Hex). If the new value of … css line paddingWebApr 20, 2024 · 8051 Microcontroller MCQ Quiz Interview Questions. 1. There is/are ____ 16-bit register (s) in the 8051 microcontroller. 2. The 8051 microcontroller has _____ … css line属性WebDec 12, 2024 · GTFO R6D2 Secondary00:00:00 Drop00:02:22 Zone 193 (Security Scan)00:04:37 Zone 205 (Blood Door)00:07:06 Zone 206 (Blood Door)00:09:24 Zone 194 (Security Scan... earl of warwick kingmaker death