8255可編程并行接口實(shí)驗(yàn)實(shí)驗(yàn)報(bào)告

1、Following parts of ordinary bolt connection: wall-beams, purlins, knee. Design of drainage, electrical, heating, ventilation, air conditioning, power should be subject to safety requirements for steel structures of other professions, it is forbidden to weld hanging load and increased roof and column

2、s. Construction prepared and the construction layout first section material prepared and the processing production prepared according to Zhejiang more Palace steel limited and Wuhan intelligent elevator limited by signed of contract file and the Institute provides of steel design blueprint, I compan

3、y and the Organization Technology Department, production department, procurement Department, bid do Engineering Department, related production sector for drawings triage, and according to owners requirements timely design out production and the processing detail and for has related professional sect

4、or of strictly triage, specific work process following: Bid do bid notice Technology Department add up do procurement department production department quality Department Engineering Department Technology Department production and the processing detail proposed Hou, by add up do coordination the sect

5、or of supporting work, and by figure line by varieties, and specifications, and quality for classified, and notification Procurement Department for material of market survey and procurement, by quality Department according to by purchased material of specifications varieties for quality review and t

6、est, not qualified of material varieties and specifications strongly ban for the engineering in the, After passing inspection informed the workshop of production of timber according to strict production details of production, workshop organized by the General Manager before the production technology

7、 and security sector technical safety training, safety education company to strictly three-level disclosure, training of qualified personnel is strictly prohibited to post production, production personnel must be listed to work, you must have the corresponding certificate. Road workers must have the

8、 certificate, and regular assessments should be carried out, not a skilled operator posts is strictly prohibited. Production of various items of equipment, appliances and other, non-professional is strictly prohibited actions and strict regulations, strong rewards, be eliminated. Production line set

9、 on person, title, responsibilities, and performance and safety comprehensive assessment. Material procurement process strictly handling the微機(jī)原理實(shí)驗(yàn)報(bào)告實(shí)驗(yàn)名稱 8255可編程并行接口實(shí)驗(yàn)一、實(shí)驗(yàn)?zāi)康?、掌握8255芯片結(jié)構(gòu)及工作方式，2、熟悉8255并行口擴(kuò)展的編程。二、實(shí)驗(yàn)設(shè)備1、Lab6000p實(shí)驗(yàn)教學(xué)系統(tǒng)；2、IBM-PC機(jī)三、系統(tǒng)中的8255模塊Lab6000p實(shí)驗(yàn)箱中的8255模塊連線如下圖所示：圖1 8255模塊的連線AD0AD7、A0、

10、A1、RESET、/WR、/RD已分別連至系統(tǒng)總線DB0DB7、AB0、AB1、RESET、/IOW、/IOR；8255_CS、PA口、PB口、PC口引出留給用戶連接。三、實(shí)驗(yàn)內(nèi)容和實(shí)驗(yàn)步驟1、8255基本輸入輸出方式開關(guān)控制LED顯示1）實(shí)驗(yàn)要求開關(guān)撥上LED亮，開關(guān)撥下LED滅。2）電路連接圖2 電路連接圖8255_CS連至地址譯碼/CS0，PA口連至LED電平顯示模塊，PB口連至開關(guān)電路。3）程序框圖圖4 程序框圖4）程序代碼見附錄程序2.15）實(shí)驗(yàn)步驟1、在Lab6000p實(shí)驗(yàn)箱上完成連接電路；2、開啟計(jì)算機(jī)電源，開啟Lab6000p實(shí)驗(yàn)箱電源；3、啟動(dòng)WAVE6000軟件；4、確認(rèn)W

11、AVE6000與Lab6000p連接；5、輸入源代碼；6、編譯源代碼（F9）；7、單步運(yùn)行源代碼（F8），觀察每條指令執(zhí)行結(jié)果；8、連續(xù)運(yùn)行程序，上下?lián)軇?dòng)開關(guān)觀察LED顯示情況。2、8255選通輸入方式開關(guān)控制LED顯示1）實(shí)驗(yàn)要求開關(guān)上的邏輯信號(hào)在選通信號(hào)有效時(shí)讀入微處理器，并送到LED顯示。2）電路連接將選通信號(hào)（單脈沖）接到PC2，其余連線和實(shí)驗(yàn)1中的相同。 3）程序框圖圖5 程序框圖4）程序代碼見附錄程序2.25）實(shí)驗(yàn)步驟1、在Lab6000p實(shí)驗(yàn)箱上完成連接電路；2、開啟計(jì)算機(jī)電源，開啟Lab6000p實(shí)驗(yàn)箱電源；3、啟動(dòng)WAVE6000軟件；4、確認(rèn)WAVE6000與Lab6000p連接；5、輸入源代碼；6、編譯源代碼（F9）；7、單步運(yùn)行源代碼（F8），觀察每條指令執(zhí)行結(jié)果；8、連續(xù)運(yùn)行程序，上下?lián)軇?dòng)開關(guān)觀察LED顯示情況。四、實(shí)驗(yàn)結(jié)果1、8255基本輸入輸出方式開關(guān)控制LED顯示：當(dāng)開關(guān)打開時(shí)，與之相對(duì)應(yīng)的LED燈亮。2、8255選通輸入方式開關(guān)控制LED顯示：在選通信號(hào)有效時(shí)，按下開關(guān)，對(duì)應(yīng)的LED燈亮。五、問題