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································· （5）
1.5.1 按單片機(jī)功能分類·············· （5）
1.5.2 MCS-51 系列單片機(jī)············ （6）
1.6 單片機(jī)發(fā)展趨勢··························· （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)的工作過程·······················（27）
2.6 AT89 系列單片機(jī)簡介··················（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)簡介·····························（30）
3.2 尋址方式···································（31）
3.3 數(shù)據(jù)傳送類指令··························（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)移類指令·························（47）
3.6.1 無條件轉(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)移類指令·············（54）
本章小結(jié) ·········································（55）
習(xí)題 3·············································（55）
第 4 章 80C51 匯編語言程序設(shè)計(jì)··············（57）
4.1 概述········································（57）
4.1.1 程序設(shè)計(jì)語言···················（57）
4.1.2 匯編語言偽指令················（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···················