目 錄
第1 章緒論 ··········································· （1）
1.1 單片機(jī)技術(shù)的發(fā)展背景·················· （1）
1.2 單片機(jī)的組成······························ （2）
1.3 單片機(jī)的特點(diǎn)及應(yīng)用····················· （3）
1.3.1 單片機(jī)的特點(diǎn)···················· （3）
1.3.2 單片機(jī)的應(yīng)用···················· （4）
1.4 單片機(jī)的發(fā)展歷史························ （4）
1.5 單片機(jī)分類(lèi)································· （5）
1.5.1 按單片機(jī)功能分類(lèi)·············· （5）
1.5.2 MCS-51 系列單片機(jī)············ （6）
1.6 單片機(jī)發(fā)展趨勢(shì)··························· （7）
本章小結(jié) ·········································（10）
習(xí)題 1 ·············································（10）
第 2 章單片機(jī)的結(jié)構(gòu)及原理·····················（11）
2.1 80C51 單片機(jī)的基本結(jié)構(gòu)··············（11）
2.1.1 80C51 單片機(jī)的組成··········（11）
2.1.2 80C51 單片機(jī)的存儲(chǔ)器·······（13）
2.2 并行I/O 口································（18）
2.2.1 P0 口······························（19）
2.2.2 P1 口······························（20）
2.2.3 P2 口······························（20）
2.2.4 P3 口······························（21）
2.3 時(shí)鐘電路與復(fù)位電路····················（21）
2.3.1 時(shí)鐘電路與時(shí)序················（21）
2.3.2 復(fù)位電路·························（23）
2.4 單片機(jī)的工作方式·······················（25）
2.4.1 復(fù)位方式·························（25）
2.4.2 程序執(zhí)行方式···················（25）
2.4.3 節(jié)電工作方式···················（25）
2.4.4 編程和校驗(yàn)方式················（26）
2.5 單片機(jī)的工作過(guò)程·······················（27）
2.6 AT89 系列單片機(jī)簡(jiǎn)介··················（27）
本章小結(jié) ·········································（29）
習(xí)題 2 ·············································（29）
第 3 章單片機(jī)的指令系統(tǒng)························（30）
3.1 指令系統(tǒng)簡(jiǎn)介·····························（30）
3.2 尋址方式···································（31）
3.3 數(shù)據(jù)傳送類(lèi)指令··························（35）
3.3.1 內(nèi)部RAM 傳送指令···········（36）
3.3.2 外部RAM 傳送指令···········（37）
3.3.3 數(shù)據(jù)交換類(lèi)指令················（38）
3.3.4 查表指令·························（38）
3.3.5 堆棧操作指令···················（39）
3.4 算術(shù)運(yùn)算類(lèi)指令·························（40）
3.4.1 加法指令·························（40）
3.4.2 減法指令·························（43）
3.4.3 乘法指令·························（43）
3.4.4 除法指令·························（44）
3.5 邏輯運(yùn)算類(lèi)指令·························（44）
3.5.1 基本邏輯操作···················（44）
3.5.2 其他邏輯操作···················（46）
3.6 控制轉(zhuǎn)移類(lèi)指令·························（47）
3.6.1 無(wú)條件轉(zhuǎn)移指令················（47）
3.6.2 條件轉(zhuǎn)移指令···················（50）
3.6.3 調(diào)用及返回指令················（51）
3.6.4 空操作指令······················（52）
3.7 位操作類(lèi)指令····························（53）
3.7.1 位傳送指令······················（53）
3.7.2 位修改指令······················（53）
3.7.3 位邏輯操作指令················（53）
3.7.4 位判斷轉(zhuǎn)移類(lèi)指令·············（54）
本章小結(jié) ·········································（55）
習(xí)題 3·············································（55）
第 4 章 80C51 匯編語(yǔ)言程序設(shè)計(jì)··············（57）
4.1 概述········································（57）
4.1.1 程序設(shè)計(jì)語(yǔ)言···················（57）
4.1.2 匯編語(yǔ)言偽指令················（57）
4.1.3 程序匯編方法···················（60）
4.2 順序程序設(shè)計(jì)····························（62）
4.3 分支程序設(shè)計(jì)····························（64）
4.3.1 一般分支結(jié)構(gòu)程序·············（65）
4.3.2 散轉(zhuǎn)程序設(shè)計(jì)···················（68）
4.4 循環(huán)程序設(shè)計(jì)····························（70）
4.4.1 循環(huán)程序結(jié)構(gòu)···················（70）
4.4.2 循環(huán)程序?qū)嵗?middot;··················（71）
4.5 查表程序設(shè)計(jì)····························（76）
·VI·
4.6 子程序設(shè)計(jì)與堆棧技術(shù)················（77）
4.6.1 子程序?qū)嵗?middot;·····················（78）
4.6.2 堆棧結(jié)構(gòu)·························（81）
4.6.3 子程序結(jié)構(gòu)······················（82）
4.6.4 代碼轉(zhuǎn)換程序···················（83）
4.6.5 算術(shù)運(yùn)算子程序················（85）
4.6.6 查找、排序程序················（89）
本章小結(jié) ·········································（92）
習(xí)題 4 ·············································（92）
第 5 章中斷系統(tǒng)····································（97）
5.1 中斷系統(tǒng)概述····························（97）
5.1.1 中斷的概念······················（97）
5.1.2 中斷的特點(diǎn)······················（97）
5.1.3 中斷系統(tǒng)的功能················（98）
5.2 中斷源與中斷寄存器···················（99）
5.2.1 中斷源····························（99）
5.2.2 中斷寄存器···················· （100）
5.3 中斷處理過(guò)程·························· （102）
5.3.1 中斷響應(yīng)······················· （102）
5.3.2 中斷處理······················· （103）
5.3.3 中斷返回······················· （104）
5.3.4 中斷響應(yīng)時(shí)間················· （104）
5.4 中斷觸發(fā)方式·························· （104）
5.5 中斷源的擴(kuò)展·························· （105）
5.5.1 定時(shí)器擴(kuò)展中斷源··········· （105）
5.5.2 中斷查詢擴(kuò)展················· （106）
5.6 中斷請(qǐng)求的撤除······················· （107）
5.6.1 撤除定時(shí)器中斷·············· （107）
5.6.2 撤除串行口中斷·············· （107）
5.6.3 撤除外部中斷················· （107）
5.7 中斷初始化····························· （108）
5.8 應(yīng)用舉例···················