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  • PIC系列單片機(jī)手冊(cè)

    PIC系列單片機(jī)手冊(cè) 第1 章 簡(jiǎn)介 1-1簡(jiǎn)介 ................................................................................................................................................................. 1-2本手冊(cè)的宗旨 ................................................................................................................................................... 1-3器件結(jié)構(gòu) .......................................................................................................................................................... 1-4開(kāi)發(fā)支持 .......................................................................................................................................................... 1-6器件種類(lèi) .......................................................................................................................................................... 1-7格式和符號(hào)的約定 ......................................................................................................................................... 1-12相關(guān)文檔 ........................................................................................................................................................ 1-14相關(guān)應(yīng)用筆記 ................................................................................................................................................. 1-17版本歷史 ........................................................................................................................................................ 1-18第2 章 振蕩器 2-1簡(jiǎn)介 ................................................................................................................................................................. 2-2振蕩器配置 ...................................................................................................................................................... 2-2晶體振蕩器 / 陶瓷諧振器 ................................................................................................................................. 2-4外部RC 振蕩器 ............................................................................................................................................. 2-124MHz 內(nèi)部 RC 振蕩器 ................................................................................................................................... 2-13休眠模式對(duì)片內(nèi)振蕩器的影響 ........................................................................................................................ 2-17器件復(fù)位對(duì)片內(nèi)振蕩器的影響 ........................................................................................................................ 2-17設(shè)計(jì)技巧 ........................................................................................................................................................ 2-18相關(guān)應(yīng)用筆記 ................................................................................................................................................. 2-19版本歷史 ........................................................................................................................................................ 2-20第3 章 復(fù)位 3-1簡(jiǎn)介 ................................................................................................................................................................. 3-2上電復(fù)位、上電延時(shí)定時(shí)器、 起振定時(shí)器、欠壓復(fù)位和奇偶校驗(yàn)錯(cuò)誤復(fù)位 ...................................................... 3-4寄存器和狀態(tài)位的值 ...................................................................................................................................... 3-10設(shè)計(jì)技巧 ........................................................................................................................................................ 3-16相關(guān)應(yīng)用筆記 ................................................................................................................................................. 3-17版本歷史 ........................................................................................................................................................ 3-18 第4 章 架構(gòu) 4-1簡(jiǎn)介 ................................................................................................................................................................. 4-2時(shí)序圖/ 指令周期 ............................................................................................................................................ 4-5指令流/ 流水線 ................................................................................................................................................ 4-6I/O 端口描述 .................................................................................................................................................... 4-7設(shè)計(jì)技巧 ........................................................................................................................................................ 4-12相關(guān)應(yīng)用筆記 ................................................................................................................................................. 4-13版本歷史 ........................................................................................................................................................ 4-14 第5 章 CPU 和ALU 5-1簡(jiǎn)介 ................................................................................................................................................................. 5-2指令的一般格式 ............................................................................................................................................... 5-4中央處理單元(CPU) .................................................................................................................................... 5-4指令時(shí)鐘 .......................................................................................................................................................... 5-4算術(shù)邏輯單元(ALU) .................................................................................................................................... 5-5狀態(tài)寄存器 ...................................................................................................................................................... 5-6OPTION_REG 寄存器 ..................................................................................................................................... 5-8電源控制寄存器 ............................................................................................................................................... 5-9設(shè)計(jì)技巧 ........................................................................................................................................................ 5-10相關(guān)應(yīng)用筆記 ................................................................................................................................................. 5-11版本歷史 ........................................................................................................................................................ 5-12第6 章 存儲(chǔ)器構(gòu)成 6-1簡(jiǎn)介 ................................................................................................................................................................. 6-2程序存儲(chǔ)器構(gòu)成 ............................................................................................................................................... 6-2數(shù)據(jù)存儲(chǔ)器構(gòu)成 ............................................................................................................................................... 6-8初始化 ........................................................................................................................................................... 6-14設(shè)計(jì)技巧 ........................................................................................................................................................ 6-16相關(guān)應(yīng)用筆記 ................................................................................................................................................. 6-17版本歷史 ........................................................................................................................................................ 6-18第7 章 數(shù)據(jù)EEPROM 7-1簡(jiǎn)介 ................................................................................................................................................................. 7-2控制寄存器 ...................................................................................................................................................... 7-3EEADR ............................................................................................................................................................ 7-4EECON1 和EECON2 寄存器 .......................................................................................................................... 7-4從EEPROM 數(shù)據(jù)存儲(chǔ)器中讀數(shù)據(jù) .................................................................................................................... 7-5向EEPROM 數(shù)據(jù)存儲(chǔ)器中寫(xiě)數(shù)據(jù) .................................................................................................................... 7-5寫(xiě)校驗(yàn) ............................................................................................................................................................. 7-6誤寫(xiě)操作保護(hù) ................................................................................................................................................... 7-7代碼保護(hù)配置下的數(shù)據(jù)EEPROM 操作 ............................................................................................................. 7-7初始化 ............................................................................................................................................................. 7-7設(shè)計(jì)技巧 .......................................................................................................................................................... 7-8相關(guān)應(yīng)用筆記 ................................................................................................................................................... 7-9版本歷史 ........................................................................................................................................................ 7-10第8 章 中斷 8-1簡(jiǎn)介 ................................................................................................................................................................. 8-2控制寄存器 ...................................................................................................................................................... 8-5中斷響應(yīng)延時(shí) ................................................................................................................................................. 8-10INT 和外部中斷 .............................................................................................................................................. 8-10中斷的現(xiàn)場(chǎng)保護(hù) ............................................................................................................................................. 8-11初始化 ........................................................................................................................................................... 8-14設(shè)計(jì)技巧 ........................................................................................................................................................ 8-16相關(guān)應(yīng)用筆記 ................................................................................................................................................. 8-17版本歷史 ........................................................................................................................................................ 8-18第9 章 I/O 端口 9-1簡(jiǎn)介 ................................................................................................................................................................. 9-2PORTA 和TRISA 寄存器 ................................................................................................................................ 9-4PORTB 和TRISB 寄存器 ................................................................................................................................ 9-6PORTC 和TRISC 寄存器 ................................................................................................................................ 9-8PORTD 和TRISD 寄存器 ................................................................................................................................ 9-9PORTE 和TRISE 寄存器 ............................................................................................................................... 9-10PORTF 和 TRISF 寄存器 ............................................................................................................................... 9-11PORTG 和TRISG 寄存器 .............................................................................................................................. 9-12GPIO 和TRISGP 寄存器 ............................................................................................................................... 9-13I/O 編程注意事項(xiàng) ........................................................................................................................................... 9-14初始化 ........................................................................................................................................................... 9-16設(shè)計(jì)技巧 ........................................................................................................................................................ 9-17相關(guān)應(yīng)用筆記 ................................................................................................................................................. 9-19版本歷史 ........................................................................................................................................................ 9-20第10 章 并行從動(dòng)端口 10-1簡(jiǎn)介 ............................................................................................................................................................... 10-2控制寄存器 .................................................................................................................................................... 10-3操作 ............................................................................................................................................................... 10-4休眠模式下的操作 ......................................................................................................................................... 10-5復(fù)位的影響 .................................................................................................................................................... 10-5PSP 波形 ....................................................................................................................................................... 10-5設(shè)計(jì)技巧 ........................................................................................................................................................ 10-6相關(guān)應(yīng)用筆記 ................................................................................................................................................. 10-7版本歷史 ........................................................................................................................................................ 10-8 第11 章 TIMER0 11-1簡(jiǎn)介 ............................................................................................................................................................... 11-2控制寄存器 .................................................................................................................................................... 11-3操作 ............................................................................................................................................................... 11-4TMR0 中斷 .................................................................................................................................................... 11-5Timer0 外部時(shí)鐘的使用 ................................................................................................................................. 11-6TMR0 的預(yù)分頻器 ......................................................................................................................................... 11-7設(shè)計(jì)技巧 ...................................................................................................................................................... 11-10相關(guān)應(yīng)用筆記 ............................................................................................................................................... 11-11版本歷史 ...................................................................................................................................................... 11-12第12 章 TIMER1 12-1簡(jiǎn)介 ............................................................................................................................................................... 12-2控制寄存器 .................................................................................................................................................... 12-3Timer1 工作在定時(shí)器模式 ..............................................................................................................................12-4Timer1 工作在同步計(jì)數(shù)器模式 ....................................................................................................................... 12-4Timer1 工作在異步計(jì)數(shù)器模式 ....................................................................................................................... 12-5Timer1 振蕩器 ............................................................................................................................................... 12-7休眠操作 ........................................................................................................................................................ 12-9用CCP 觸發(fā)器的輸出將Timer1 復(fù)位 ............................................................................................................. 12-9Timer1 寄存器(TMR1H:TMR1L)的復(fù)位 .................................................................................................... 12-9Timer1 預(yù)分頻器 ............................................................................................................................................ 12-9初始化 ......................................................................................................................................................... 12-10設(shè)計(jì)技巧 ...................................................................................................................................................... 12-12相關(guān)應(yīng)用筆記 ............................................................................................................................................... 12-13版本歷史 ...................................................................................................................................................... 12-14第13 章 TIMER2 13-1簡(jiǎn)介 ............................................................................................................................................................... 13-2控制寄存器 .................................................................................................................................................... 13-3定時(shí)器時(shí)鐘源 ................................................................................................................................................. 13-4定時(shí)器TMR2 和PR2 周期寄存器 .................................................................................................................. 13-4TMR2 匹配輸出 ............................................................................................................................................. 13-4將Timer2 的預(yù)分頻器和后分頻器清零 ........................................................................................................... 13-4休眠操作 ........................................................................................................................................................ 13-4初始化 ........................................................................................................................................................... 13-5設(shè)計(jì)技巧 ........................................................................................................................................................ 13-6相關(guān)應(yīng)用筆記 ................................................................................................................................................. 13-7版本歷史 ........................................................................................................................................................ 13-8第14 章 比較/ 捕捉/ 脈寬調(diào)制(CCP) 14-1簡(jiǎn)介 ............................................................................................................................................................... 14-2控制寄存器 .................................................................................................................................................... 14-3捕捉模式 ........................................................................................................................................................ 14-4比較模式 ........................................................................................................................................................ 14-6PWM 模式 ..................................................................................................................................................... 14-8初始化 ......................................................................................................................................................... 14-12設(shè)計(jì)技巧 ...................................................................................................................................................... 14-15相關(guān)應(yīng)用筆記 ............................................................................................................................................... 14-17版本歷史 ...................................................................................................................................................... 14-18第15 章 同步串行口(SSP) 15-1簡(jiǎn)介 ............................................................................................................................................................... 15-2控制寄存器 .................................................................................................................................................... 15-3SPITM 模式 .................................................................................................................................................... 15-6SSP 模塊的I2CTM 操作 ............................................................................................................................... 15-16初始化 ......................................................................................................................................................... 15-26設(shè)計(jì)技巧 ...................................................................................................................................................... 15-28相關(guān)應(yīng)用筆記 ............................................................................................................................................... 15-29版本歷史 ...................................................................................................................................................... 15-30第16 章 基本同步串行口(BSSP) 16-1簡(jiǎn)介 ............................................................................................................................................................... 16-2控制寄存器 .................................................................................................................................................... 16-3SPITM 模式 .................................................................................................................................................... 16-6SSP 模塊 的I2CTM 操作 ............................................................................................................................... 16-15初始化 ......................................................................................................................................................... 16-23設(shè)計(jì)技巧 ...................................................................................................................................................... 16-24相關(guān)應(yīng)用筆記 ............................................................................................................................................... 16-25版本歷史 ...................................................................................................................................................... 16-26第17 章 主同步串行口(MSSP) 17-1簡(jiǎn)介 ............................................................................................................................................................... 17-2控制寄存器 .................................................................................................................................................... 17-4SPITM 模式 .................................................................................................................................................... 17-9SSP 模塊的 I2C™ 操作 ............................................................................................................................... 17-18I2CTM 總線的連接注意事項(xiàng) ........................................................................................................................... 17-56初始化 ......................................................................................................................................................... 17-57設(shè)計(jì)技巧 ...................................................................................................................................................... 17-58相關(guān)應(yīng)用筆記 ............................................................................................................................................... 17-59版本歷史 ...................................................................................................................................................... 17-60第18 章 USART 18-1簡(jiǎn)介 ............................................................................................................................................................... 18-2控制寄存器 .................................................................................................................................................... 18-3USART 波特率發(fā)生器(BRG) ..................................................................................................................... 18-5USART 異步工作模式 ................................................................................................................................... 18-8USART 同步主控模式 .................................................................................................................................. 18-15USART 同步從動(dòng)模式 ................................................................................................................................. 18-19初始化 ......................................................................................................................................................... 18-21設(shè)計(jì)技巧 ...................................................................................................................................................... 18-22相關(guān)應(yīng)用筆記 ............................................................................................................................................... 18-23版本歷史 ...................................................................................................................................................... 18-24第19 章 參考電壓模塊 19-1簡(jiǎn)介 ............................................................................................................................................................... 19-2控制寄存器 .................................................................................................................................................... 19-3配置參考電壓 ................................................................................................................................................. 19-4參考電壓精度 ................................................................................................................................................. 19-5休眠模式下的操作 ......................................................................................................................................... 19-5復(fù)位的影響 .................................................................................................................................................... 19-5連接注意事項(xiàng) ................................................................................................................................................. 19-6初始化 ........................................................................................................................................................... 19-7設(shè)計(jì)技巧 ........................................................................................................................................................ 19-8相關(guān)應(yīng)用筆記 ................................................................................................................................................. 19-9版本歷史 ...................................................................................................................................................... 19-10第20 章 比較器 20-1簡(jiǎn)介 ............................................................................................................................................................... 20-2控制寄存器 .................................................................................................................................................... 20-3設(shè)置比較器模式 ............................................................................................................................................. 20-4比較器工作原理 ............................................................................................................................................. 20-6比較器參考源 ................................................................................................................................................. 20-6比較器的響應(yīng)時(shí)間 ......................................................................................................................................... 20-8比較器輸出 .................................................................................................................................................... 20-8比較器中斷 .................................................................................................................................................... 20-9休眠狀態(tài)下比較器的操作 ............................................................................................................................... 20-9復(fù)位的影響 .................................................................................................................................................... 20-9模擬輸入連接方式注意事項(xiàng) .......................................................................................................................... 20-10初始化 ......................................................................................................................................................... 20-11設(shè)計(jì)技巧 ...................................................................................................................................................... 20-12相關(guān)應(yīng)用筆記 ............................................................................................................................................... 20-13版本歷史 ...................................................................................................................................................... 20-14第21 章 8 位A/D 轉(zhuǎn)換器 21-1簡(jiǎn)介 ............................................................................................................................................................... 21-2控制寄存器 .................................................................................................................................................... 21-3操作 ............................................................................................................................................................... 21-5A/D 采集時(shí)間要求 .......................................................................................................................................... 21-6A/D 轉(zhuǎn)換時(shí)鐘的選擇 ...................................................................................................................................... 21-8配置模擬輸入端口 ......................................................................................................................................... 21-9A/D 轉(zhuǎn)換 ...................................................................................................................................................... 21-10休眠期間的A/D 轉(zhuǎn)換 ................................................................................................................................... 21-12A/D 精度/ 誤差 ............................................................................................................................................ 21-13復(fù)位對(duì)A/D 轉(zhuǎn)換的影響 ................................................................................................................................ 21-13CCP 觸發(fā)器的使用 ...................................................................................................................................... 21-14連接注意事項(xiàng) ............................................................................................................................................... 21-14傳遞函數(shù) ...................................................................................................................................................... 21-14初始化 ......................................................................................................................................................... 21-15設(shè)計(jì)技巧 ...................................................................................................................................................... 21-16相關(guān)應(yīng)用筆記 ............................................................................................................................................... 21-17版本歷史 ...................................................................................................................................................... 21-18第22 章 基本型8 位A/D 轉(zhuǎn)換器 22-1簡(jiǎn)介 ............................................................................................................................................................... 22-2控制寄存器 .................................................................................................................................................... 22-3A/D 采集時(shí)間要求 .......................................................................................................................................... 22-6A/D 轉(zhuǎn)換時(shí)鐘的選擇 ...................................................................................................................................... 22-8配置模擬輸入端口 ....................................................................................................................................... 22-10A/D 轉(zhuǎn)換 ...................................................................................................................................................... 22-11休眠期間的A/D 轉(zhuǎn)換 ................................................................................................................................... 22-14A/D 轉(zhuǎn)換精度/ 誤差 ..................................................................................................................................... 22-15復(fù)位對(duì)A/D 轉(zhuǎn)換的影響 ................................................................................................................................ 22-16連接時(shí)的考慮事項(xiàng) ....................................................................................................................................... 22-16傳遞函數(shù) ...................................................................................................................................................... 22-16初始化 ......................................................................................................................................................... 22-17設(shè)計(jì)技巧 ...................................................................................................................................................... 22-18相關(guān)應(yīng)用筆記 ............................................................................................................................................... 22-19版本歷史 ...................................................................................................................................................... 22-20第23 章 10 位A/D 轉(zhuǎn)換器 23-1簡(jiǎn)介 ............................................................................................................................................................... 23-2控制寄存器 .................................................................................................................................................... 23-3操作 ............................................................................................................................................................... 23-5A/D 采集時(shí)間要求 .......................................................................................................................................... 23-6A/D 轉(zhuǎn)換時(shí)鐘的選擇 ...................................................................................................................................... 23-8模擬輸入引腳的設(shè)置 ...................................................................................................................................... 23-9A/D 轉(zhuǎn)換的編程舉例 .................................................................................................................................... 23-10休眠期間的A/D 轉(zhuǎn)換 ................................................................................................................................... 23-14復(fù)位對(duì)A/D 轉(zhuǎn)換的影響 ................................................................................................................................ 23-14A/D 轉(zhuǎn)換精度與誤差 .................................................................................................................................... 23-15連接時(shí)的考慮事項(xiàng) ....................................................................................................................................... 23-16傳遞函數(shù) ...................................................................................................................................................... 23-16初始化 ......................................................................................................................................................... 23-17設(shè)計(jì)技巧 ...................................................................................................................................................... 23-18相關(guān)應(yīng)用筆記 ............................................................................................................................................... 23-19版本歷史 ...................................................................................................................................................... 23-20第24 章 積分型A/D 轉(zhuǎn)換器 24-1簡(jiǎn)介 ............................................................................................................................................................... 24-2控制寄存器 .................................................................................................................................................... 24-3轉(zhuǎn)換過(guò)程 ........................................................................................................................................................ 24-6其它模擬模塊 ............................................................................................................................................... 24-12校準(zhǔn)參數(shù) ...................................................................................................................................................... 24-13設(shè)計(jì)技巧 ...................................................................................................................................................... 24-14相關(guān)應(yīng)用筆記 ............................................................................................................................................... 24-15版本歷史 ...................................................................................................................................................... 24-16第25 章 LCD 25-1簡(jiǎn)介 ............................................................................................................................................................... 25-2控制寄存器 .................................................................................................................................................... 25-3LCD 定時(shí) ....................................................................................................................................................... 25-6LCD 中斷 ..................................................................................................................................................... 25-12像素控制 ...................................................................................................................................................... 25-13電壓發(fā)生器 .................................................................................................................................................. 25-15休眠模式下的操作 ....................................................................................................................................... 25-16復(fù)位的影響 .................................................................................................................................................. 25-17LCD 模塊的設(shè)置 .......................................................................................................................................... 25-17判別比 ......................................................................................................................................................... 25-18LCD 電壓發(fā)生器 .......................................................................................................................................... 25-20對(duì)比度 ......................................................................................................................................................... 25-22LCD 玻璃基板 .............................................................................................................................................. 25-22初始化 ......................................................................................................................................................... 25-23設(shè)計(jì)技巧 ...................................................................................................................................................... 25-24相關(guān)應(yīng)用筆記 ............................................................................................................................................... 25-25版本歷史 ...................................................................................................................................................... 25-26第26 章 看門(mén)狗定時(shí)器與休眠模式 26-1簡(jiǎn)介 ............................................................................................................................................................... 26-2控制寄存器 .................................................................................................................................................... 26-3看門(mén)狗定時(shí)器(WDT)的操作 ....................................................................................................................... 26-4休眠省電模式 ................................................................................................................................................. 26-7初始化 ........................................................................................................................................................... 26-9設(shè)計(jì)技巧 ...................................................................................................................................................... 26-10相關(guān)應(yīng)用筆記 ............................................................................................................................................... 26-11版本歷史 ...................................................................................................................................................... 26-12第27 章 器件配置位 27-1簡(jiǎn)介 ............................................................................................................................................................... 27-2配置字位 ........................................................................................................................................................ 27-4編程校驗(yàn)/ 代碼保護(hù) ....................................................................................................................................... 27-8識(shí)別碼ID 的位置 ........................................................................................................................................... 27-9設(shè)計(jì)技巧 ...................................................................................................................................................... 27-10相關(guān)應(yīng)用筆記 ............................................................................................................................................... 27-11版本歷史 ...................................................................................................................................................... 27-12第28 章 在線串行編程 28-1簡(jiǎn)介 ............................................................................................................................................................... 28-2進(jìn)入在線串行編程模式 .................................................................................................................................. 28-3應(yīng)用電路 ........................................................................................................................................................ 28-4編程器 ........................................................................................................................................................... 28-6編程環(huán)境 ........................................................................................................................................................ 28-6其它優(yōu)點(diǎn) ........................................................................................................................................................ 28-7PICmicro® OTP 型單片機(jī)的現(xiàn)場(chǎng)編程 ............................................................................................................. 28-8FLASH 型 PICmicro® 單片機(jī)的現(xiàn)場(chǎng)編程 ...................................................................................................... 28-10設(shè)計(jì)技巧 ...................................................................................................................................................... 28-12相關(guān)應(yīng)用筆記 ............................................................................................................................................... 28-13版本歷史 ...................................................................................................................................................... 28-14第29 章 指令集 29-1簡(jiǎn)介 ............................................................................................................................................................... 29-2指令格式 ........................................................................................................................................................ 29-4作為源/ 目標(biāo)寄存器的特殊功能寄存器 ........................................................................................................... 29-6Q 周期操作 .................................................................................................................................................... 29-7指令描述 ........................................................................................................................................................ 29-8設(shè)計(jì)技巧 ...................................................................................................................................................... 29-45相關(guān)應(yīng)用筆記 ............................................................................................................................................... 29-47版本歷史 ...................................................................................................................................................... 29-48第30 章 電氣規(guī)范 30-1簡(jiǎn)介 ............................................................................................................................................................... 30-2絕對(duì)最大值 .................................................................................................................................................... 30-3器件選型表 .................................................................................................................................................... 30-4器件電壓規(guī)范 ................................................................................................................................................. 30-5器件電流特性 ................................................................................................................................................. 30-6輸入閾值電平 ................................................................................................................................................. 30-9I/O 電流特性 ................................................................................................................................................ 30-10輸出驅(qū)動(dòng)電壓 ............................................................................................................................................... 30-11I/O 引腳的容性負(fù)載 ..................................................................................................................................... 30-12數(shù)據(jù)EEPROM / 閃存 .................................................................................................................................. 30-13LCD ............................................................................................................................................................. 30-14比較器和參考電壓 ....................................................................................................................................... 30-15時(shí)序參數(shù)符號(hào) ............................................................................................................................................... 30-16外部時(shí)鐘時(shí)序波形圖和時(shí)序要求示例 ............................................................................................................ 30-17上電和復(fù)位時(shí)序波形圖及要求示例 ............................................................................................................... 30-19定時(shí)器Timer0 和Timer1 時(shí)序波形圖及要求示例 ......................................................................................... 30-20CCP 的時(shí)序圖及要求 ................................................................................................................................... 30-21并行從動(dòng)端口 (PSP) 時(shí)序圖及要求 .............................................................................................................. 30-22SSP 和 MSSP SPITM 模式時(shí)序波形圖及要求示例 ....................................................................................... 30-23SSP I2CTM 模式時(shí)序波形圖及要求示例 ........................................................................................................ 30-27MSSP I2CTM 模式時(shí)序波形圖及要求示例 ..................................................................................................... 30-30USART/SCI 時(shí)序波形圖及要求示例 ............................................................................................................. 30-328 位 A/D 時(shí)序波形圖及要求示例 ................................................................................................................... 30-3410 位A/D 時(shí)序波形圖及要求示例 ................................................................................................................. 30-36積分型A/D 時(shí)序波形圖及要求示例 ............................................................................................................... 30-38LCD 時(shí)序波形圖及要求示例 ......................................................................................................................... 30-40相關(guān)應(yīng)用筆記 ............................................................................................................................................... 30-41版本歷史 ...................................................................................................................................................... 30-42第31 章 器件特性 31-1簡(jiǎn)介 ............................................................................................................................................................... 31-2特性和電氣規(guī)范 ............................................................................................................................................. 31-2DC 和AC 特性圖表 ....................................................................................................................................... 31-2版本歷史 ...................................................................................................................................................... 31-22第32 章 開(kāi)發(fā)工具 32-1簡(jiǎn)介 ............................................................................................................................................................... 32-2集成開(kāi)發(fā)環(huán)境(IDE) ................................................................................................................................... 32-3MPLAB® 軟件語(yǔ)言支持 ................................................................................................................................. 32-6MPLAB® SIM 軟件模擬器 ............................................................................................................................... 32-8MPLAB® 硬件仿真器支持 ............................................................................................................................... 32-9MPLAB® 編程器支持 ................................................................................................................................... 32-10輔助工具 ...................................................................................................................................................... 32-11開(kāi)發(fā)板 ......................................................................................................................................................... 32-12針對(duì)其它Microchip 產(chǎn)品的開(kāi)發(fā)工具 ............................................................................................................ 32-14相關(guān)應(yīng)用筆記 ............................................................................................................................................... 32-15版本歷史 ...................................................................................................................................................... 32-16第33 章 代碼開(kāi)發(fā) 33-1版本歷史 ........................................................................................................................................................ 33-2第34 章 附錄 34-1I2CTM 概述...................................................................................................................................................... 34-2LCD 玻璃基板生產(chǎn)商.................................................................................................................................... 34-11改進(jìn)的器件特性............................................................................................................................................ 34-13版本歷史....................................................................................................................................................... 34-19第35 章 術(shù)語(yǔ)表 35-1版本歷史 ...................................................................................................................................................... 35-14目錄

    標(biāo)簽: PIC 單片機(jī)

    上傳時(shí)間: 2013-11-15

    上傳用戶:nanshan

  • EasyFPGA060 用戶手冊(cè)

    EasyFPGA060是廣州致遠(yuǎn)電子有限公司為FPGA初學(xué)者“量身定做”的一款真正用得起、高性能的FPGA開(kāi)發(fā)套件,它在EasyFPGA030開(kāi)發(fā)平臺(tái)的基礎(chǔ)上進(jìn)行了改進(jìn),除了保留原產(chǎn)品的精巧,適用的風(fēng)格外,對(duì)其資源進(jìn)行了擴(kuò)充,由原來(lái)的A3P030修改為A3P060,不僅資源翻了一番,還將擁有18Kbit RAM,1個(gè)PLL,AES加密等功能;由原來(lái)并口的下載接口升級(jí)為USB的下載接口,方便筆記本以及沒(méi)有并口的臺(tái)式機(jī)用戶使用。

    標(biāo)簽: EasyFPGA 060 用戶手冊(cè)

    上傳時(shí)間: 2013-10-17

    上傳用戶:zsjzc

  • 基于nRF2401的藏區(qū)蔬菜大棚管理系統(tǒng)的設(shè)計(jì)與實(shí)現(xiàn)

    蔬菜大棚在西藏的蔬菜供應(yīng)中起著不可或缺的作用,為方便農(nóng)戶對(duì)蔬菜大棚的管理,使蔬菜大棚在藏區(qū)得到廣泛的推廣,文中結(jié)合nRF2401無(wú)線傳輸[1]和SPCE061A單片機(jī)[2]實(shí)現(xiàn)了藏區(qū)蔬菜大棚管理系統(tǒng)的設(shè)計(jì)。本項(xiàng)目通過(guò)SPCE061A單片機(jī)控制相關(guān)傳感器進(jìn)行蔬菜大棚內(nèi)溫度、二氧化碳濃度等指標(biāo)采集,然后將采集的數(shù)據(jù)通過(guò)nRF2401進(jìn)行傳輸;后臺(tái)中心將接收的前臺(tái)數(shù)據(jù)在LCD上實(shí)時(shí)顯示出來(lái),并當(dāng)指標(biāo)超過(guò)了適宜值時(shí),系統(tǒng)便會(huì)對(duì)農(nóng)戶進(jìn)行語(yǔ)音提示。本文設(shè)計(jì)的藏區(qū)蔬菜大棚管理系統(tǒng)具有監(jiān)測(cè)靈敏、可操作性強(qiáng)、藏漢雙語(yǔ)界面顯示、雙語(yǔ)報(bào)警等優(yōu)點(diǎn)。

    標(biāo)簽: 2401 nRF 大棚管理系統(tǒng)

    上傳時(shí)間: 2013-10-22

    上傳用戶:yuzhou229843982

  • 物聯(lián)網(wǎng)技術(shù)與研究

    作為新時(shí)期經(jīng)濟(jì)危機(jī)后的技術(shù)革命產(chǎn)物,IOT(Internet of Things,物聯(lián)網(wǎng))的研究風(fēng)生水起。主要介紹了IOT的定義、概念和內(nèi)涵特點(diǎn),分析了IOT的原理、框架體系和相關(guān)技術(shù),闡述了國(guó)內(nèi)外關(guān)于IOT的研究和發(fā)展,描述和展望了IOT在人類(lèi)社會(huì)生產(chǎn)生活中的應(yīng)用,并且結(jié)合現(xiàn)實(shí)和實(shí)際,指出了若干存在的問(wèn)題和不足,思考了下一步要解決的問(wèn)題和研究的方向,為IOT技術(shù)的改進(jìn)與發(fā)展提供參考。

    標(biāo)簽: 物聯(lián)網(wǎng)技術(shù)

    上傳時(shí)間: 2013-11-18

    上傳用戶:zhangjinzj

  • RF設(shè)計(jì)技術(shù)與經(jīng)驗(yàn)

    作者RICHARD CHI-HSI LI,結(jié)合自己20年RF設(shè)計(jì)經(jīng)驗(yàn),整理的RF設(shè)計(jì)技術(shù)與經(jīng)驗(yàn),工程性很強(qiáng),從最基本的LNA、MIXERS、差分對(duì)等講起,涉及到阻抗匹配,接地,天線設(shè)計(jì),RF系統(tǒng)分析,是一本很不錯(cuò)的書(shū)。英文版

    標(biāo)簽: RF設(shè)計(jì) 經(jīng)驗(yàn)

    上傳時(shí)間: 2013-10-30

    上傳用戶:ve3344

  • 執(zhí)照教材:無(wú)線電發(fā)射和接受原理

    無(wú)線電發(fā)射和接受原理:一、調(diào)制的基本概念 低頻信號(hào)是不可能直接有效地輻射出去的。必須將要發(fā)送的低頻信號(hào)去控制高頻振蕩的某個(gè)參數(shù),然后再發(fā)射出去,這種控制過(guò)程就稱(chēng)為調(diào)制。調(diào)制過(guò)程是使高頻振蕩的某一參數(shù)按照原始低頻信號(hào)的變化規(guī)律來(lái)變化。高頻振蕩實(shí)際起著運(yùn)載低頻信號(hào)的運(yùn)輸工具作用,所以稱(chēng)為載波。

    標(biāo)簽: 教材 發(fā)射 無(wú)線

    上傳時(shí)間: 2013-11-16

    上傳用戶:zl5712176

  • 如何快速實(shí)現(xiàn)CANopen從站轉(zhuǎn)Modbus網(wǎng)關(guān)

    從繼電器控制柜到現(xiàn)在的現(xiàn)場(chǎng)總線控制系統(tǒng)(FCS)的變遷,標(biāo)志著工業(yè)通信及控制技術(shù)的飛速發(fā)展?,F(xiàn)場(chǎng)總線控制系統(tǒng)作為當(dāng)今最為主流的工業(yè)通信技術(shù),在工業(yè)生產(chǎn)活動(dòng)中起著重要的作用,其中現(xiàn)場(chǎng)總線協(xié)議在現(xiàn)場(chǎng)總線控制系統(tǒng)中具有相當(dāng)重要的作用。當(dāng)前現(xiàn)場(chǎng)總線協(xié)議主要有Modbus、MVB、Profibus、LonWorks以及基于CAN總線的CANopen、DeviceNet、J1939等協(xié)議。在國(guó)內(nèi),Modbus由于其布線以及協(xié)議相對(duì)簡(jiǎn)單依然占有絕大部分的市場(chǎng)份額?;贑AN總線的CANopen協(xié)議正在歐洲等國(guó)興起,由于其在容錯(cuò)、可靠性以及傳輸速率上有了長(zhǎng)足的進(jìn)步,從而引領(lǐng)了工業(yè)現(xiàn)場(chǎng)總線協(xié)議的發(fā)展潮流。

    標(biāo)簽: CANopen Modbus 快速實(shí)現(xiàn) 網(wǎng)關(guān)

    上傳時(shí)間: 2013-10-12

    上傳用戶:xieguodong1234

  • 磁阻傳感器的置位復(fù)位脈沖電路

    置位/復(fù)位電路有多種設(shè)計(jì)方法,應(yīng)根據(jù)成本預(yù)算和設(shè)置的磁場(chǎng)分辨率來(lái)選擇最佳方案。置位脈沖和復(fù)位脈沖對(duì)傳感器所起的作用是基本一樣的,唯一的區(qū)別是傳感器的輸出改變正負(fù)號(hào)。

    標(biāo)簽: 磁阻傳感器 復(fù)位 脈沖電路

    上傳時(shí)間: 2013-10-17

    上傳用戶:名爵少年

  • 中央控制門(mén)鎖系統(tǒng)

    可實(shí)現(xiàn)功能:駛駛員車(chē)門(mén)拉車(chē)門(mén)拉鎖拉也鎖:內(nèi)作車(chē)門(mén)拉及行李作 門(mén)拉能盜自動(dòng)鎖實(shí)、用鑰及鎖門(mén)拉:也員員時(shí)鎖好內(nèi)作修車(chē)門(mén)拉員行李作 門(mén)拉、駛駛員車(chē)門(mén)拉鎖拉拉起時(shí):內(nèi)作車(chē)門(mén)拉及行李作 門(mén)拉鎖配盜能盜員時(shí)拉開(kāi)用鑰及開(kāi)內(nèi):?jiǎn)T實(shí)現(xiàn)此動(dòng)作、車(chē)實(shí)內(nèi)也動(dòng)車(chē)門(mén)拉需拉開(kāi)時(shí):?jiǎn)T動(dòng)動(dòng)拉開(kāi)員自的鎖拉、配員自門(mén)盜內(nèi)系用統(tǒng)好遙行門(mén)盜內(nèi).

    標(biāo)簽: 中央控制 門(mén)鎖

    上傳時(shí)間: 2013-10-08

    上傳用戶:ywqaxiwang

  • 電子基本技能實(shí)訓(xùn)

    電子元器件   任何一個(gè)電子電路,都是由電子元器件組合而成。了解常用元器件的性能、型號(hào)規(guī)格、組成分類(lèi)及識(shí)別方法,用簡(jiǎn)單測(cè)試的方法判斷元器件的好壞,是選擇、使用電子元器件的基礎(chǔ),是組裝、調(diào)試電子電路必須具備的技術(shù)技能。下面我們首先分別介紹電阻器、電容器、電感器、繼電器、晶體管、光電器件、集成電路等元器件的基本知識(shí)1 .電阻器電阻器在電路中起限流、分流、降壓、分壓、負(fù)載、匹配等作用。1.1電阻器的分類(lèi)電阻器按其結(jié)構(gòu)可分為三類(lèi),即固定電阻器、可變電阻器(電位器)和敏感電阻器。按組成材料的不同,又可分為炭膜電阻器、金屬膜電阻器、線繞電阻器、熱敏電阻器、壓敏電阻器等。常用電阻器的外形圖如圖1.1 1.2 電阻器的參數(shù)及標(biāo)注方法電阻器的參數(shù)很多,通??紤]的有標(biāo)稱(chēng)阻值、額定功率和允許偏差等。(1)、標(biāo)稱(chēng)阻值和允許誤差 電阻器的標(biāo)稱(chēng)阻值是指電阻器上標(biāo)出的名義阻值。而實(shí)際阻值與標(biāo)稱(chēng)阻值之間允許的最大偏差范圍叫做阻值允許偏差,一般用標(biāo)稱(chēng)阻值與實(shí)際阻值之差除以標(biāo)稱(chēng)阻值所得的百分?jǐn)?shù)表示,又稱(chēng)阻值誤差。普通電阻器阻值誤差分三個(gè)等級(jí):允許誤差小于±5﹪的稱(chēng)Ⅰ級(jí),允許誤差小于±10﹪的稱(chēng)Ⅱ級(jí),允許誤差小于±20﹪的稱(chēng)Ⅲ級(jí)。表示電阻器的阻值和誤差的方法有兩種:一是直標(biāo)法,二是色標(biāo)法。直標(biāo)法是將電阻的阻值直接用數(shù)字標(biāo)注在電阻上;色標(biāo)法是用不同顏色的色環(huán)來(lái)表示電阻器的阻值和誤差,其規(guī)定如表1.1(a)和(b)。      用色標(biāo)法表示電阻時(shí),根據(jù)阻值的精密情況又分為兩種:一是普通型電阻,電阻體上有四條色環(huán),前兩條表示數(shù)字,第三條表示倍乘,第四條表示誤差。二是精密型電阻,電阻體上有五條色環(huán),前三條表示數(shù)字,第四條表示倍乘,第五條表示誤差。通用電阻器的標(biāo)稱(chēng)阻值系列如表1.2所示,任何電阻器的標(biāo)稱(chēng)阻值都應(yīng)為表1.2所列數(shù)值乘以10nΩ,其中n為整數(shù)。(2)、電阻器的額定功率    電阻器的額定功率指電阻器在直流或交流電路中,長(zhǎng)期連續(xù)工作所允許消耗的最大功率。常用的額定功率有1/8W、1/4W、1/2W、1W、2W、5W、10W、25W等。電阻器的額定功率有兩種表示方法,一是2W以上的電阻,直接用阿拉伯?dāng)?shù)字標(biāo)注在電阻體上,二是2W以下的炭膜或金屬膜電阻,可以根據(jù)其幾何尺寸判斷其額定功率的大小如表1.3。3 電阻器的簡(jiǎn)單測(cè)試       電阻器的好壞可以用儀表測(cè)試,電阻器阻值的大小也可以用有關(guān)儀器、儀表測(cè)出,測(cè)試電阻值通常有兩種方法,一是直接測(cè)試法,另一種是間接測(cè)試法。(1).直接測(cè)試法就是直接用歐姆表、電橋等儀器儀表測(cè)出電阻器阻值的方法。通常測(cè)試小于1Ω的小電阻時(shí)可用單臂電橋,測(cè)試1Ω到1MΩ電阻時(shí)可用電橋或歐姆表(或萬(wàn)用表),而測(cè)試1MΩ以上大電阻時(shí)應(yīng)使用兆歐表。

    標(biāo)簽: 電子 技能

    上傳時(shí)間: 2013-10-26

    上傳用戶:windwolf2000

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