C8051F單片機(jī)是完全集成的混合信號系統(tǒng)級芯片（SOC），具有與8051完全兼容的指令內(nèi)核，該單片機(jī)采用流水線處理技術(shù)，能在執(zhí)行指令期間預(yù)處理下一條指令，提高了效率。而且大部分型號的C8051F單片機(jī)，片內(nèi)集成了數(shù)據(jù)采集和控制系統(tǒng)中常用的模擬和數(shù)字外設(shè)及其他功能部件，內(nèi)置FLASH程序存儲器和RAM數(shù)據(jù)存儲器，部分芯片上還集成了外部數(shù)據(jù)存儲器，即XRAM。C8051F單片機(jī)具有片內(nèi)調(diào)試電路，通過4腳的JTAG接口可以進(jìn)行非侵入式、全速的在系統(tǒng)調(diào)試。下表為C8051F系列具有代表性的型號的主要特性:
標(biāo)簽： C8051F020 SOC 片上系統(tǒng) 單片機(jī)
上傳時間： 2013-10-29
上傳用戶：781354052
介紹了非對稱數(shù)字用戶環(huán)路收發(fā)器片上系統(tǒng)芯片的組織結(jié)構(gòu), 對其硬件實現(xiàn)給出了具體描述!
標(biāo)簽： ADSL 收發(fā)器 片上系統(tǒng) 片的設(shè)計
上傳時間： 2013-11-10
上傳用戶：wbwyl
本文介紹一種基于C8051F021片上系統(tǒng)的電容式變送器的設(shè)計方法,對恒流充電法測量電容量的原理進(jìn)行了詳細(xì)的分析,設(shè)計的電容式變送器輸入信號范圍可以通過軟件設(shè)置,輸出為標(biāo)準(zhǔn)的4~20mA電流信號,能夠和標(biāo)準(zhǔn)信號的工業(yè)儀表或計算機(jī)測控系統(tǒng)直接接口,并支持MODBUS協(xié)議的RS485現(xiàn)場總線通信。
標(biāo)簽： C8051F021 片上系統(tǒng) 電容式 送器設(shè)計
上傳時間： 2013-12-27
上傳用戶：asddsd
上電時，MCU的電源電壓達(dá)到有效工作電壓的最小值和達(dá)到正常工作狀態(tài)都需要一個短暫的時間間隔。如果在MCU沒有正常工作時就開始運(yùn)行程序，那么系統(tǒng)將會很不穩(wěn)定。
標(biāo)簽： 三星 單片機(jī) 上電復(fù)位 軟硬件
上傳時間： 2013-12-30
上傳用戶：liu999666
摘要：在對網(wǎng)板烘干機(jī)PLC控制電路及其功能分析的基礎(chǔ)上，通過研究得出一套完整的單片機(jī)控制電路，其功能可以完全替代烘干機(jī)PLC，并且在硬件和軟件上，采用光藕和濾波及引導(dǎo)指令抗干擾設(shè)計大大提升了電路的穩(wěn)定性，使整臺機(jī)器運(yùn)行可靠。關(guān)鍵詞：單片機(jī)；PLC；ULN2003；自動控制
標(biāo)簽： 單片機(jī)控制 網(wǎng)板烘干 應(yīng)用研究
上傳時間： 2013-10-27
上傳用戶：fklinran
在串口/并口基礎(chǔ)上實現(xiàn)51內(nèi)核單片機(jī)的在線編程摘要：詳細(xì)說明利用并口模擬I2C總線協(xié)議，實現(xiàn)Myson MTV230芯片的在線編程（ISP）過程，以及利用PC機(jī)的串口通信實現(xiàn)Winbond W78E516B的在線編程（ISP）過程；闡述PC機(jī)的串口與并口在單片機(jī)開發(fā)中的應(yīng)用。
標(biāo)簽： 串口 51內(nèi)核 并口 單片機(jī)
上傳時間： 2013-10-17
上傳用戶：離殤
Stellaris(群星)單片機(jī)的片上FLASH編程(英) INFORMATION IN THIS DOCUMENT IS PROVIDED IN CONNECTION WITH LUMINARY MICRO PRODUCTS. NO LICENSE,EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, TO ANY INTELLECTUAL PROPERTY RIGHTS IS GRANTED BY THISDOCUMENT. EXCEPT AS PROVIDED IN LUMINARY MICRO’S TERMS AND CONDITIONS OF SALE FOR SUCH PRODUCTS,LUMINARY MICRO ASSUMES NO LIABILITY WHATSOEVER, AND LUMINARY MICRO DISCLAIMS ANY EXPRESS OR IMPLIEDWARRANTY, RELATING TO SALE AND/OR USE OF LUMINARY MICRO’S PRODUCTS INCLUDING LIABILITY OR WARRANTIESRELATING TO FITNESS FOR A PARTICULAR PURPOSE, MERCHANTABILITY, OR INFRINGEMENT OF ANY PATENT, COPYRIGHTOR OTHER INTELLECTUAL PROPERTY RIGHT. LUMINARY MICRO’S PRODUCTS ARE NOT INTENDED FOR USE IN MEDICAL,LIFE SAVING, OR LIFE-SUSTAINING APPLICATIONS.
標(biāo)簽： Stellaris FLASH 單片機(jī) 編程
上傳時間： 2013-10-22
上傳用戶：JamesB
如何使用S12X MCU 上的外設(shè)協(xié)處理器XGATE XGATE 是一個16 位的精簡指令集內(nèi)核（見圖1-1 XGATE 編程模式）。內(nèi)核擁有8 個16 位通用寄存器R0～R7，1 個程序計數(shù)器PC，一個4 位的條件碼寄存器CCR。其中R0 恒為0，可用于對變量的快速清零或置位.
上傳時間： 2013-10-18
上傳用戶：wangrong
單片機(jī)在鍵盤上的應(yīng)用 鍵盤擔(dān)負(fù)著向系統(tǒng)發(fā)出命令和查詢系統(tǒng)工作狀態(tài)的重任。由于各種單片機(jī)所提供的片內(nèi)外資源不同,所以在進(jìn)行鍵盤擴(kuò)展時其硬件電路的形式也多種多樣。文中介紹了利用單片機(jī)內(nèi)部的A /D轉(zhuǎn)換通道、并行口以及片外擴(kuò)展芯片等方法擴(kuò)展鍵盤的硬件電路及電路工作原理,并給出了部分程序。
上傳時間： 2013-11-11
上傳用戶：silenthink
I/O 型單片機(jī)使用手冊 目錄 間接尋址寄存器 – IAR, IAR0, IAR1 .............................................35間接尋址指針 – MP, MP0, MP1 ......................................................35存儲區(qū)指針 – BP .........................................................................36累加器 – ACC...................................................................................37程序計數(shù)器低字節(jié)寄存器 – PCL....................................................37表格寄存器 – TBLP,TBHP,TBLH....................................................37看門狗定時寄存器 – WDTS............................................................38狀態(tài)寄存器 – STATUS.....................................................................38中斷控制寄存器 – INTC,INTC0,INTC1 .........................................39定時/計數(shù)寄存器...............................................................................39輸入/輸出端口和控制寄存器...........................................................40UART 寄存器 .USR,UCR1,UCR2,TXR/RXR,BRG.......................40輸入/輸出端口..........................................................................................41上拉電阻............................................................................................41PA 口的喚醒......................................................................................41輸入/輸出端口控制寄存器...............................................................41引腳共享功能....................................................................................42編程注意事項....................................................................................45定時/計數(shù)器..............................................................................................46配置定時/計數(shù)器輸入時鐘源...........................................................47定時/計數(shù)寄存器 – TMR, TMR0,TMR0L/TMR0H,TMR1L/TMR1H,TMR2.....................................................................49定時/計數(shù)控制寄存器 – TMRC,TMR0C,TMR1C,TMR2C............50定時器模式........................................................................................53事件計數(shù)器模式................................................................................53脈沖寬度測量模式............................................................................54可編程分頻器(PFD)和蜂鳴器的應(yīng)用..............................................55預(yù)分頻器(Prescaler)...........................................................................56輸入/輸出接口...................................................................................56編程注意事項....................................................................................57定時/計數(shù)器應(yīng)用范例.......................................................................57中斷............................................................................................................59中斷寄存器........................................................................................59中斷優(yōu)先權(quán)........................................................................................62外部中斷............................................................................................63定時/計數(shù)器中斷...............................................................................64UART 中斷........................................................................................64編程注意事項....................................................................................65復(fù)位和初始化............................................................................................66復(fù)位....................................................................................................66目錄iii異步串行口——UART............................................................................74UART 特性..........................................................................................74UART 外部引腳..................................................................................74數(shù)據(jù)發(fā)送.............................................................................................75UART 狀態(tài)控制寄存器......................................................................75波特率發(fā)生器.....................................................................................79UART 設(shè)置與控制..............................................................................81UART 發(fā)送器......................................................................................83UART 接收器......................................................................................84接收錯誤處理.....................................................................................85接收中斷圖解.....................................................................................86地址檢測模式.....................................................................................86暫停模式下的UART 功能.................................................................87UART 應(yīng)用范例.................................................................................87振蕩器........................................................................................................89系統(tǒng)時鐘配置....................................................................................89系統(tǒng)晶體/陶瓷振蕩器.......................................................................89系統(tǒng)電阻電容振蕩器........................................................................90內(nèi)部系統(tǒng)電阻電容振蕩器................................................................90RTC 振蕩器........................................................................................91看門狗定時振蕩器............................................................................91暫停和喚醒................................................................................................92暫停.....................................................................................................92進(jìn)入暫停.............................................................................................92靜態(tài)電流.............................................................................................92喚醒....................................................................................................92看門狗定時器............................................................................................94掩膜選項....................................................................................................96應(yīng)用電路....................................................................................................97第二部份 程序語言.....................................................................99第二章 指令集介紹.................................................................................101指令集......................................................................................................101指令周期..........................................................................................101數(shù)據(jù)的傳送......................................................................................101算術(shù)運(yùn)算..........................................................................................102邏輯和移位運(yùn)算..............................................................................102分支和控制的轉(zhuǎn)換..........................................................................102位運(yùn)算..............................................................................................102查表運(yùn)算..........................................................................................103其它運(yùn)算..........................................................................................103指令設(shè)定一覽表......................................................................................104慣例..................................................................................................104I/O 型單片機(jī)使用手冊iv第三章 指令定義.....................................................................................107第四章 匯編語言和編譯器.....................................................................121常用符號..................................................................................................121語句語法..................................................................................................122名稱..................................................................................................122操作項..............................................................................................122操作數(shù)項..........................................................................................122注解..................................................................................................122編譯偽指令..............................................................................................123條件編譯偽指令..............................................................................123文件控制偽指令..............................................................................124程序偽指令......................................................................................126數(shù)據(jù)定義偽指令..............................................................................130宏指令..............................................................................................132匯編語言指令..........................................................................................136名稱..................................................................................................136助記符..............................................................................................136操作數(shù)、運(yùn)算子和表達(dá)式..............................................................136其它..........................................................................................................139前置引用..........................................................................................139局部標(biāo)號..........................................................................................139匯編語言保留字..............................................................................140編譯器選項..............................................................................................141編譯列表文件格式..................................................................................141源程序列表......................................................................................141編譯總結(jié)..........................................................................................142其它..................................................................................................142第三部份 開發(fā)工具................................................................... 145第五章 單片機(jī)開發(fā)工具.........................................................................147HT-IDE 集成開發(fā)環(huán)境............................................................................147盛群單片機(jī)仿真器(HT-ICE) ..................................................................149HT-ICE 接口卡.................................................................................149OTP 燒寫器.....................................................................................149OTP 適配卡.....................................................................................149系統(tǒng)配置..................................................................................................150HT-ICE 接口卡設(shè)置........................................................................151安裝..........................................................................................................153系統(tǒng)要求..........................................................................................153硬件安裝..........................................................................................153軟件安裝..........................................................................................154目錄v第六章 快速開始.....................................................................................159步驟一：建立一個新項目..............................................................159步驟二：將源程序文件加到項目中..............................................159步驟三：編譯項目..........................................................................159步驟四：燒寫OTP 單片機(jī).............................................................160步驟五：傳送程序與掩膜選項單至Holtek ..................................160附錄............................................................................................... 161附錄A 特性曲線圖...................................................................................163附錄B 封裝信息.......................................................................................173
上傳時間： 2013-10-18
上傳用戶：blacklee
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