基于c51單片機(jī)的實(shí)用電子時(shí)鐘設(shè)計(jì)_protel課程設(shè)計(jì)-全文預(yù)覽
【正文】 ...................................................................................................... 1 Altium Designer 特性 ............................................................................................... 1 Altium Designer 的組成 ........................................................................................... 1 Altium Designer 改進(jìn)方面 ....................................................................................... 2 2 電子時(shí)鐘系統(tǒng)設(shè)計(jì) ............................................................................................................. 3 MCU 控制器簡(jiǎn)介 ..................................................................................................... 3 單片機(jī)最小系統(tǒng) ...................................................................................................... 4 獨(dú)立鍵盤(pán) .................................................................................................................. 4 LCD1602 模塊 .......................................................................................................... 5 DS12C887 時(shí)鐘芯片 ................................................................................................ 7 電源模塊 .................................................................................................................. 8 3 原理圖繪制 ......................................................................................................................... 9 創(chuàng)建新的 PCB 工程文件 ........................................................................................ 9 添加新的原理圖空文件 .......................................................................................... 9 安裝元件庫(kù) ............................................................................................................ 10 放置電路元器件并繪制連線 ................................................................................ 11 完善原理圖 ............................................................................................................ 11 檢查電路原理圖 .................................................................................................... 11 輸出元件清單 ........................................................................................................ 12 4 PCB 版圖設(shè)計(jì) ................................................................................................................... 13 導(dǎo)入原理圖設(shè)計(jì)數(shù)據(jù) ............................................................................................ 13 PCB 板型設(shè)計(jì)及元件布局 .................................................................................... 13 PCB 網(wǎng)絡(luò)布線 ........................................................................................................ 13 設(shè)計(jì)規(guī)則 DRC 檢查 .............................................................................................. 14 覆銅編輯及補(bǔ)淚滴處理 ........................................................................................ 15 PCB 的 3D 顯示 ...................................................................................................... 16 5 仿真分析 ........................................................................................................................... 17 6 小結(jié)體會(huì) ........................................................................................................................... 19 參考文獻(xiàn) ............................................................................................................................... 20 附錄部分程序 .....................................................
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