电动机控制硬件电路控制单元原理

1/21目录第一章PIC单片机功能简介11PIC单片机的生产商MICROCHIP公司简介12PIC单片机运用场所13PIC单片机，以及为什么选择该型单片机第二章电动机信号信号的数据采集系统与智能控制21PIC16F946单片机端口引脚22PIC单片机运用到的各个寄存器的介绍221时钟源模块选型222定时器0功能模块介绍223定时器1功能模块介绍224PWM波形输出模块与定时器1的复用（以CCP1为例）225ADC转换模块226LCD驱动模块介绍227串口通讯模块第三章电路设计要求及设计原理31LM317电源电路设计以及设计依据32LCD模块电路的设计33ADC转换电路的输入方式设计依据与原理34积分电路设计及相关积分电路软件的应用仿真参考资料2/21序在2009至2010年一年中的工作与实习中生活中，由于工作的需要，我深入接触了PIC16F946系列的单片机。该单片机是MCS5单片机的衍生品，之所以说它是51单片机的衍生品，是因为他去的功能是在51型号的单片机的基础上集成了一些其他的功能，使其功能更加的强大，运算数度更加的快，操作也更加方便，该型号的单片机相对于我们以前所了解的MCS51系列的单片机来讲有很强的运算处理能力。由于分频比的关系，PIC单片机的运算速度更快（51系列单片机为12分频，PIC16F946系列的单片机为4分频，其晶振数度同样的可以达到20MHZ也就是在使用同样速度的晶振的情况下，PIC16F946的处理速度是51单片机的3倍），由于在PIC单片机中集成了看门狗（WATCHDG82G74），其其G4445G1852G5627能更加G4445G1852可G19764可G19764，在单片机G12255G5219G17317G1571G6122G17317G1014了的情况的下，单片机G1262G14270G2172G1147生看门狗中G7041使其G14270G2172G3809G1313，G17837在工G1006G6523G2058中G7186G5483有为的G18337要，因为在工G1006G10628G3342，G3926G7536单片机因为G3818G18108G5190G6212因G13044G6122其他G2419因，单片机的G12255G5219G17317G1014，G6122G17317G1571，G6122有很大的G2373G19517G5627，G6122G17908成很大的G13475G8994G6451G3845，G17837是G2520G1022G2390G4490所G993能G4493G16780的，51单片机中G8821有看门狗G8181G3371，因G8504在工G1006G7246能G2282G6523G2058与运用中，51单片机G7186G5483是G4600为的G8436G13582，G14270G9994在工G1006生G1147中G5224用的G993G3822。G2490G381851单片机G8821有G36G39CG17728G6454G8181G3371，也G8821有G40G40PG53G50M，I2CG17902G16771G8181G3371，在G5332G2469中我们G5460G5460G1262运用到数G6466G18331集G6122G13785是数G6466的G4396G1660，G3926G7536我们G17885G633351单片机的G16817，G7092G19762我们要G5224用G7424来就G993是G3838G1028G4512的IG18G50G2487，G17839G15904G3818G3272G11017G17347的G6205G4649，为了G9397G17287需G8726，我们G2494能G10318G10310更G3822的G12483G2487G1207G1227。G13792在PIC单片机G5332G2469要比51单片机方便G12628单G16780G3822，由于他的G17751G20652集成G5627能，G14280使我们用G17227PIC单片机的G5332G2469中我们G993G5529G13783G15397G3838G3822的G3818G6205单G1815，G36G39CG8181G3371IICG8181G3371，在我们G5132用的PIC单片机中，G5062G13475G17839G15904了G20652度的集成G5627，G10990至我们G993G4493使用G47CG39G8181G3371G11017G17347，G11464接运用单片机G1881G993G5483G47CG39G20549G2172G8181G3371，G17839G15904G47CG39G9094晶G20549G2172。G17837就是G16765我们G1582G5332G2469方便G12628单的G2419因。当G9994MICRG82CHIP公司的PIC单片机众G3822的型号中G993G2494是G17837一种系列，他还有更G20652级的G3926G39SPIC系列（16G1313单片机）,之所以叫G39SPIC是因为在单片机中G1881嵌了一G1022更G20652级的G1881核，那就是G39SPG1881核（与真正意义上的G39SP数字信号处理器还是有很大的区别的），他的速度更快，可操作的寄G4396器更G3822。由于我G10628在还G8821有更G3822的了解G39SPIC单片机，所以G14270G8504G2494是蜻蜓点水，G993去G1582更深入的了解。3/21第一章PIC单片机功能简介11PIC单片机的生产商MICROCHIP公司简介MICRG82CHIPTECHNG82LG82G74YINC（美国微芯科技公司）是G1852球领先的单片机和G8181拟半导体供G5224商，为G1852球数以千计的G3822样G2282G5224用提供低风G19517的G1147品G5332G2469、更低的系统总成G7424以及更快的G1147品上市时间。公司提供出色的技术支持、可G19764的G1147品和卓越的质量。G6466G1006界权威研究机构G39ATAQUEST资料，G1852球8G1313单片机（MCU）付运量排名第一；迄今G5062成功付运超过40亿颗PIC单片机。12PIC单片机运用场所以及为什么人们选择这款单片机PIC单片机运用场所MICRG82CHIP为G1852球超过45,000G4490从事大批量嵌入式G6523G2058G5224用设计的客户提供G20652G5627G1147品，它们广泛G5224用于消费类、汽车、办公G14270G2172G2282、G17902G16771和工G1006G6523G2058领域。为什么人们选择这款单片机MICRG82CHIP的8G1313和16G1313PIC单片机系列具有G20652G5627能、低成G7424和封装体积小等特点，是G1006界G5627G1227比最佳的G1147品。PIC单片机G18331用功能强大的G53ISCG1881核，其架构使用户G7092需改变G1207码G6122G2494需改变很少量G1207码，G2375可G17743G7506G3332在6G5353G14062至100G5353G14062G2520种封装的单片机系列之间G12239G7905。G1147品的G20652级特G5461G2265G6336G726G12946G4506的G4462时G3818设、集成G8181数G17728G6454器（G36G39C）、G17902G16771G3818设（IA1CG22113G18SPIG22113G18USG37G18CG36G49G12483G2487和G47IG49USG36G53TS）、在G13459G1030G15904G13546G12255（INCIRCUITSERIALPRG82G74RAMMING74G22113）技术以及G2265G6336PG40G40CG19390G4396（在更G4497的工作G9213度G14551G3272下，G8611G1022G4396G1660单G1815可实G10628G20652达100G987G8437G6842G1901G2620G7411）、G40G40PG53G50M、一G8437G5627G13546G12255（G50TP）和G2494G16847G4396G1660器（G53G50M）等在G1881的G4396G1660技术。下G19766我G4570要G1183G13473的是我的G8617G1006设计。在G17837G8437的G8617G1006设计中我说要设计的G16850G20076是G457信号的数G6466G18331集系统与G7246能G6523G2058G458。4/21第二章电动机信号的数据采集系统与智能控制21PIC16F946单片机PIC16F946为G12946G12628G6363G1208集（G53SIC）的单片机G1881G18108集成了G16780G3822功能G8181G3371，他的分频比为4分频与51单片机相比PIC16F946单片机的G3809G1313方式为低G11017G5191G3809G1313，G2375在MCG47G53G12483G2487为0时单片机，G1881G18108还有G1881G18108时G19059，低频G8181式时G13434为31G78HG93，G20652频时能G3827达到8MHZ的晶体振G14645G6940G7536,G40G40PG53G50MG8181G3371，G5194G1000可以G17839G15904G1030G15904G17902G16771，G5194G15904G17902G16771，也可以G17839G15904I2CG17902G16771，G6329有G36G39G17728G6454G8181G3371，还有G4462时器0，1，2，G9094晶G20549G2172G8181G3371。PIC16F946单片机G1881G18108G13479构G3282G3926下G726G12483G2487G53G360G97G53G365G2464G2533G17767入G17767出G2487，其方G2533由TG53ISG36G314G290G33寄G4396器来G6523G2058，G1563G3926G12483G2487G36的方G2533设G13634为低G3247G1313G17767出，TG53ISG36G320G590FG2029为,也就是说，当G12483G2487G1552为1时，G12483G2487为G17767入G10378G5589，也就是IN，为0时为G17767出G10378G5589，也就是G14533G7003字G8609G82UT；G12483G2487G36还可以为G8181拟量G17767入G2487，其G17902过G36G39C寄G4396器G17839G15904G18209G13634。5/216/2122时钟源PIC16F946具有大量的时G19059G9316G17885G6333特G5627，使其能G3827G5483到广泛的G5224用，同时能G1260G2282G5627能，G19489低功G13803。上G3282G13485出了PIC16F946时G19059G9316的G7706G3282。可使用G3818G18108振G14645器G18209G13634时G19059G9316，可使用的振G14645器有G11719G14533振G14645器，晶振G16868振器，G19530G10955振G14645器和G19471G4493振G14645器。G8504G3818还可以使用G1016G1022G1881G18108振G14645器中的一G1022G18209G13634系统时G19059G9316，G5194可以G17902过G17731G1226G17885G6333时G19059速G10587。其他时G19059特G5627G2265G6336G7261G17902过G17731G1226G17885G6333G3818G18108G6122G1881G18108系统时G19059G9316。（G66G66CG50G49FIG42G11G12）2G2464速时G19059G2563G2172G8181式G4570G3818G18108时G19059和G1207码G6203G15904之间的G5322时G13565到最小。3G1457G6264时G19059G9316G11429G16282器G999用于G7828G8991G3818G18108时G19059G9316（G47P,G59T,HS,G40CG6122G53C）的G6937G19568，是系统时G19059G2011G6454到G1881G18108振G14645器。IG53CFG312G290G33G1881G18108时G19059频G10587G17885G6333G1313G17902过G18209G13634可以G17885G6333G993同的G1881G18108时G19059频G10587，他可以有8种时G19059G18209比方式，其G18209比方式G3926下G3282G11G3282221G127/21G3282（221）G50STSG726振G14645器超时G10378G5589G1313当G50STSG1313为1时器G1226使用FG50SCG312G290G33G4462义的G3818G18108时G19059当G50STSG1313为0时使用G1881G18108时G19059（IG49TG50SC）HTSG726（8MHZ125G46HZ）G20652速时G19059G12295G4462G1313G47TSG726低频（31G46HZ）时G19059G9316G12295G4462G1313SCSG726系统时G19059G9316G17885G6333G1313SCSG321时系统G17885G6333G1881G18108时G19059G9316SCSG320时，系统G17885G6333G3818G18108时G19059PIC16F946G17902过G66G66CG50G49FIG42G11G13G13G13G9G13G13G13G12G30可以G18209G13634在以下一种时G19059G8181式下工作G1375G3926G726G66G66CG50G49FIG42G11IG49TCG47G46G9G58G39TG39ISG12G30G18G18其G18209G13634方式G1313使用G1881G18108时G19059G9316，关G19393看门狗1G40CG252G3818G18108时G190592G47PG252低G3698G11422晶体G6122G19530G10955G16868振器振G14645G8181式3G59TG252中等G3698G11422G6122晶振G6122G19530G10955G16868振器振G14645G8181式4HSG252G20652G3698G11422晶振G6122G19530G10955G16868振器G8181式5G53CG252G3818G18108G19471G4493振G14645器6G53CIG50G252G3818G18108G19471G4493振G14645器G26IG49TG50SCG252G1881G18108振G14645器，FG50SCG1848IG49TG50SCIG50G252G1881G18108振G14645器23定时器0寄存器G4462时器0寄G4396器具有以下特点G72618G1313G4462时器G18计数器2可G16847G190138G1313可G17731G1226G13546G12255G20056分频寄G4396器4G1881G18108G6122G3818G18108G3999G13468G17885G6333（G4462时使用G1881G18108时G19059；计数时使用G3818G18108时G19059G17902过G18209G13634TG53ISG364,设G13634为G17767入G8181式实G10628计数功能）8/215G13059加计数方式，由FF到00G9334出中G70416G3818G18108时G19059G9316边沿G17885G6333计数方式（上升沿G6122是下G19489沿）与G4462时器0相关的寄G4396器G726（阴影G18108分未使用）TMG530G29TIMG530G8181G3371寄G4396器IG49TCG50G49G29中G7041G6523G2058寄G4396器G50PTIG50G49G29G17885项寄G4396器TG53ISG36G29G12483G2487方G2533G17885G6333寄G4396器（用于计数器G8181式时G18209比）24定时器1相关的寄存器A0A2A31A4A5A6A7A8A9A0A2A30A4A5A6A7A8A10A11A12A13A14A15A16A17A18A19A20A13A16A17A21A22A13A0A2A23A24A25A26A7A8A27A9A0A2A30A10A11A12A13A28A29A30A31A4A2A0A2A31A32A3316A34A35A36A37A38A3A13A25A26A2A15A39FFFFA400000A25A26A2325PWMA41A42A43A44A45A43A44TIME2A46A47A48A49A50A48A499/21A51A52A53A54A55A56A57A58A59A60A61A62A63A64PWMA65A66A67A53A54A68A69A70A57A58A59A60A71A72A73A74A75A76A77A78A79A80A67A81A82A83A84A85PWMA86A87A88A89A90A91A92A93A94A95A96A97A98A99A100A101A86A102A103A94A81A104A105A106CCPXHA107A108A109A110A111A112A113A114A107A108A108A109A110A111A106PWMA115A116A117A118A119A113A114A120A121A122A103A123PWMA86A87A85A124A125A126A127A94A128A129A130A131A132A133A134A85A135A117A136PWMA86A87A137A138A104A139A140A141A142A85A143A110A111A144A145A135A117A85A123CCP1LA146A110PWMA86A87A115A116A117A85A93A147A148A94CCP1CONA146A110A115A116A117A85A149A150A148A123PW2A106A151A152A153A154A135A117A143A110A111A123A155A104A153A154A156A157A158A104A89A81A114A143A110A111A159A160A91A85A123A153A154A156A157A104A139TMR2A143A110A111A159A160A91A85A94A153A154A156A157A161A162A85A163A164A165A166A104A167A168A169A166A170A171A136A172TME2A153A154A143A110A111A163A173A85A174A175CCPXLCCPXCONA146A176A85A177A148A174A178A179A153A94WPMA86A87A83A84A113A180A181A182A94A139A126A183A85A93A184A185A186A187A94A182A188A106A189A184A185A186A187A123A153A154A163A173A111A190A191A163A173A94A172A153A154A163A173A111A85A107A108A174A179A192PR2A85A146A176A174A153A94A193A194A195A98A141A196A197A85A198A168A1361A199A200A201A202A203A204A205A206A207A208A209A210A201A202A211A212A213A214A209A210A201A202A2152TMR2A216A217A218A219A220A221A222A203A223A224A225A226A227A228A229A230A231A232A233A2153PWMA199A200A220A221A222A207CCPXLA234A235A236A203A223A224A237A221A238CCPXHA239A240A241A242A207A243A244A245A246A247A248A249A250A209A210A201A202A204A208A209A210A201A202A238A214A209A210A201A202A211A212A218A251A252A209A210A253A254A207A255A199A201A202A15310/2126G36G39CG50G490寄G4396器G29其中G36G39CS0G97G36G39CS1为分频方式G17885G6333G1313下G19766是对照表G72611G32G53C振G14645器G17885G6333CHS2G97CHS0为G8181拟信号G17767入G2487G17885G6333G1313G42G50G18G39G50G49G42G42G50G8181拟G17728G6454G5332G3999G39G50G49G42G8181拟G17728G6454G13479束G36G39G50G49G36G39G17728G6454G6523G2058G1313，当G36G39G50G49G321时可以G36G39G17728G6454，G36G39G17728G6454禁止G36G39FMG36G39FMG321G17728G6454数G6466右对齐G36G39G53G40SH的G206526G1313G16847作0G1375G3926G726（000000XX）B；G36G39FMG320G17728G6454数G6466左对齐，G36G39G53G40SG47的低6G1313G16847作0G1375G3926（XX000000）B；XG32UNG78NG82WN；G36G39CS2G36G39CS2为时G19059G17885G6333G1313G3926G7536G36G39CS2G320时；分频为以上分频方式；G36G39CS2G321在G2419先的基础上再G17839G159042分频G2375G72611/21FCFG423G97FCFG420G12483G2487G53G36,G53G40G12483G2487功能G18209G13634G1313，G36G49G26G97G36G490为默认G8181拟量G17767入G2487，其功能是有FCF3G97FCF0寄G4396器所决G4462的，其G17885G6333方式共有16种，默认G10378G5589下，其G12483G2487为G8181拟量G17767入G12483，G3926G7536有特殊需G8726，也可以改变器G8181拟量G17767入G17767出G2487的功能G18209G13634，以适G5224于G993同的G5332G2469需要；其功能G18209G13634G3282G3926下G19766的表格G726VREF参G13783G11017压G17767入，VREF为参G13783G11017压接G3332G12483；G36G39G17728G6454有严格的时间限G2058,当G2563用G36G39G17728G6454G8181G3371时，我们要G13783G15397G36G39G17728G6454所使用的时间是G993符合G36G39G17728G6454时的最小时间要G8726，ADCON1ADCON寄G4396器时G19059G17885G6333G1313。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