[毕业设计精品]电话远程控制家用电器系统

目录前言1第一章系统方案设计211系统设计要求212系统方案设计213方案比较及论证3第二章各单元模块电路设计421振铃检测模块422双音多频信号收发功能模块523模拟摘机、挂机电路924语音控制电路1025系统上线离线/复位电路1326温度检测以及AD转换模块1427液晶显示模块1728单片机控制模块2029电源模块22第三章软件设计2431软件设计结构2432程序流程框图2533DTMF信号解码程序框图2634DTMF信号发送程序框图28第四章系统调试2941振铃检测2942模拟摘机电路3043DTMF双音多频检测3044DTMF信号发送3145语音电路3246液晶显示3347温度采集3448系统联调35第五章设计总结35第六章致谢36第七章参考文献37附录系统程序及总框图38系统总图551前言随着科学技术的飞速发展，各种高技术不断涌入我们的生活、工作，也改变着我们的认识。融入一定智G5947的各G12879智能技术，G8503G3324G5720G5720G17220G17829我们，G5194G4570G1262G6116G1038G991一G1022发展的G9921G9538。随着G10628G1207G4490G5249G4490G11004电G3132设G3803的G3698多G2656G17902G16771线路的发展，G2045G11004G10628G7389的G17902G16771设G3803G2656线路G4557G4490G11004电G3132G2656G1214G15932G17839G15904G17840程控制，G5062G13475G6116G1038G7422G7481的发展G17247G2195。G10628G1207电G16817G13605G13488G7171G11013G1144换机G2656电G16817G1268G17767线G1861G2528G13464G6116，G4439的G5627能G5062G13475G10628G1207电G16817G13605G13488G7171G11013G1144换机G2656电G16817G1268G17767线G1861G2528G13464G6116，G4439的G5627能G5062G13475G7389G1114G5468G3835的G17839展，G13792G1000G2499G19764G5627G19762G5132高。G17977控技术G7171G17902G17819一定的G6175G8585G4557G15999控G10301G1319G4466G7057一定G17329离的控制，G5132G11004的方G5347G7389G7092线电G17977控、G7389线G17977控、G13430G3818线G2656G17241G3780G8886G17977控G12573。G7092线电G17977控G7094G7171G2045G11004G7092线电信号G4557G15999控G10301G1319G4466G7057G17840G17329离控制。G7092线电G17977控不G2499G18003G1825的G20047G2356G11004一定的G7092线电频G10587G17176源，G17908G6116电G11925G8757G7591G727G5132G16280的G7389线G17977控G19668G17839G15904G999G19388的G5079线，G3698G2164G1114G6249入G727G13792G13430G3818线、G17241G3780G8886G17977控G2029G2475G17329离G6164G19492。G10628G7389的G17977控方G5347G1025，G17836G7389G17745G8886G17902信控制G6175G8585G2656G3534G1122G7092线G4559G2640的G17977控方G5347。G17745G8886方G5347G2375G17902G17819电G2159线G1268G17894信G5699，G16825方G5347G2494能G4628G19492G1122G2528一变电G6164、G2528一变G2399G3132G6164G17770G14551G3272G1881。G3252G8504也G4396G3324G17329离G19394题，应G11004G14551G3272G7389G19492。G3534G1122G7092线G4559G2640的G17977控方G5347G2045G11004G1114G10628G7389的G4559G2640频G10587G17176源，不G19668G2356G11004额G3818的频谱。G13792G1000，随着G4559G2640G13605的全国联G13605，其G17977控的G17329离G3534本不G2475G19492制。但G16825方G5347的G2475控方动作滞后G1122控制方的操作，不具G3803G4466时G5627，G13792G1000不具G3803G5468高的G2499G19764G5627。电G16817G17977控作G1038一较新的课题与G5132G16280的G17977控方G5347相比，显示出一定的优越G5627，不G19668G17839G15904G999G19388的G5079线，不G2356G11004G7092线电频G10587G17176源，G18003G1825G1114电G11925G8757G7591。G2528时，G11013G1122电G16817线路各地联G13605，G2499以充分G2045G11004G10628G7389的电G16817G13605，G3252G8504G17977控G17329离G2499跨省市，甚至跨越国G4490。电G16817属双工G17902信G6175G8585。G3252G8504，这G2499以G3835G3835G1319G10628出G2045G11004电G16817G17839G15904G17977控的更G3835优越G5627。操作者G2499以G17902G17819各种提示音G2375时G1114解G2475控G4557象的G7389关信G5699，从G13792G17839G15904G17839一步的操作2第一章系统方案设计11系统设计要求1G16825系统G2499G17902G17819G17840程电G16817或G6175机G7481G17839G15904G17977控操作2具G7389密码功能3具G7389语音提示功能4自动报警功能5具G7389监听功能6本系统不影响电G16817机的G8503G5132功能12系统方案设计电G16817G17840程控制G4490G11004电G3132系统主要完G6116的功能G7171G4557电G16817双音多频信号G17839G15904解码，G5194自动驱动G15999控电G3132设G3803G17839G15904指定操作，G2528时G11004户G2499G4557G15999控设G3803的工作状态G17839G15904查询，室温的检测，G11004户G2499G17902G17819电G16817查询温度值，以及当G7389紧急情况发生时G17902G17819拨预置的电G16817号码G17839G15904G17840程预警。G11013G1122本系统G7171G2045G11004电G16817G17839G15904G17840程控制，G6164以系统必G20047能识别电G16817线上的振铃信号，从G13792G4466G10628自动摘机。G2528时，本系统一般G3324G7092人值守的情况G991工作，G6164以必G20047能自动摘机、挂机，G1000G3324G11004户操作完毕忘记挂机时，必G20047能自动复位及关机，G1038G1114安全起见G17836G7389必要G3698G2164密码校验的功能G727要G17839G15904工作查询就必G20047G7389语音的提示G2656反馈，这样的系统才G3534本上合乎要求G3534G1122以上要求。方案一G11013两片单片机G13464G6116控制系统，一片G11004G1122信号检测、一片G11004G1122系统控制，两片单片机之间G11004串G15904G17902G16771连接，A1A0A2A3DTMFA5A4A7A8A9A10A11A12A13单片机单片机A7A6A2A3A15A16ADA17A18A19A20A21A14A2A3A23A24A12A13A7A8A22A25A26A27图1方案1系统原理图3主要G3132件选G11004单片机选G11004AT89S82，DTMF收发芯片选G11004MT8880，语音芯片选G11004ISD2560，温度检测选G11004AD590，A/D转换芯片选G11004ADC0809。方案2系统框图如图12主要G3132件选G11004A29A28A14A30A31A33A32A34A35A36A37A38A40A41A39A42A44A43A28A45A34A38A37A37A40A47A32A46A48A5A4A49A28A30A31A46A32A34A34A34A50A40A1A0A49A28A30A31A41A36A47A38A37A51A50A40A10A11A52A53A6A31A33A47A37A35A50A40A33A39A47A17A18A49A28A30A31A33A47A54A50A34A50A35A5613方案比较及论证1G3324功能上，两种方案相差不G3835，方案2采G11004新型单片机AT89S82,G2499以G4466G10628程序的G3324线G991G17745，这样就不G19668要G999G11004的烧写G3132G1114，G2528时也省去G1114反复取、插单片机的麻烦。G8504G3818单片机G17836G1881置看G19388狗电路，G2494G19668G4557程序G1025某些控制字G17839G15904设置看G19388狗就能G8503G5132工作G1114，这样就使得系统运G15904更G2164G2499G19764G1114。2方案2的电G3132控制电路G2656液晶显示G7171G17902G17819扩展一片8255G7481G4466G10628的，这比方案1另G2164一块单片机要方便的多。G3252G1038两G1022单片机之间要不断的G17902信，这样不仅降低G1114系统的速度，也降低G1114G6984G1022系统的G2499G19764G5627。3方案2采G11004G1114音频G13818合变G2399G3132上线，使系统G2656电G16817G13605G8821G7389电G8680的关系，这样系统就不G7143G2475G3818G11040的G5190G6212，从G13792更G2164安全G2499G19764。G17902G17819比较以上G1972G1022方G19766的优G13582G9869，我们采G11004方案2。A19A20A21A14A2单片机A7A6A2A3A10A11A12A13A55A57A58A59A60A61DTMFA5A4A1A0A2A3A7A8A9ADA17A15A16A23A24A12A13A44A43I/OA62A63A64A6A65A66A67A68图2方案2系统原理框图4第二章各单元模块电路设计21振铃检测模块G3324电G16817线路G8821G7389G7481铃时线路上G11013G1144换机提G1391G3835G1343450G57的G11464流电G2399。当G11004户G15999G2640G2495时，电G16817G1144换机发出铃流信号，振铃G103850G1023G1251的G8503G5370G8886，G16868铃G3845G11507不G3835G112210G8，电G2399G7389G6940值90G10215G57。振铃以5G12198G1038G2620G7411，G23751G12198送，4G12198断。G7693G6466系统设计G19668要TTG47电频，G6937G4570振铃信号送入G7737G3546振流，G1889G11004G12295G2399G1120G7509G12661G17839G15904G12295G2399，G5194G11004G53CG9400G8886，G9994后G17767入G1821电G13818合G3132。G13475G17819G1821G13818的G19560离转换，G17767出G7171G7643G1946的5G57方G8886信号，送入单片机T0G12483G2487，G11013程序G4557振铃信号计G6980。G3324本电路检测铃流信号时，以G1128G8437铃响G1038G1946，G2375G1128G8437振铃后G7092人摘机，便G11013单片机控制自动模拟摘机。电路图如图2112J3CON2C21UFC11UFR110KD215VC310UFR210KR510KT0VCC14AC2AC3B1QDU1OPTOISO1D1LEDA69A70A71A72A23A24A12A13A735参数计算、器件选择电G16817振铃信号G17902G17819电G4493C1、C2G19560离G11464流，G17902G17819G7737G3546振流、G1120G7509G12661G12295G2399、G53CG9400G8886G17767入G1821G13818。当G7389G1144流信号时信号G17902G17819振流、G12295G2399、G9400G8886使G1821G13818G4560G17902，G2528时G1821G13818G17767出5G57方G8886G2052单片机。G1821电G13818合G31324G4925以G1821电转换原理G1268G17767信G5699，G4439不仅使其一、G1120G8437G1403完全G19560离G9052G19512G5190G6212，G1000能G6245制电G11925G5190G6212。电G4493C1、C2G1038G19560G11464电G4493，但G1144流信号较高，G6937选G110041G56F/100G57的电G4493G727G12295G2399G1120G7509G12661G103816G57G12295G2399G1120G7509G12661G727G531、G532G10381G46的电G19471、C3G103810G56F/22G57电G4493G727G17902G17819示G8886G3132G16278G4531G1821G13818G17767出G8886G5430G5468G3921的方G8886，G1000单片机能识别。22双音多频信号收发功能模块G8504G18108分G7171G6984G1022系统的关G19202，G4439的工作情况G11464接G1927定G1114系统的G2499G19764G5627。DTMFG11DG88G68G79TG82G81G72MG88G79G87G76FG85G72G84G88G72G81G70G92G12双音多频信号解码电路G7171G11458G2081G3324G6365G19202电G16817G11G3278定电G16817、G12239动电G16817G12、程控G1144换机及G7092线G17902信设G3803G1025G5203G8879应G11004的集G6116电路。G4439G2265G6336DTMF发送G3132与DTMF接G2475G3132,G2081者主要应G11004G1122G6365G19202电G16817作双音频信号发送G3132,发送一G13464双音多频信号,从G13792G4466G10628音频拨号。双音多频信号G7171一G13464G11013高频信号与低频信号G2484G2164G13792G6116的G13464合信号。221MT8880芯片功能介绍当G11004户G3324电G16817机的G19202G11436上G17767入密码或G6365G991控制G6365G19074后，这些信G5699G3355采G11004双音多频方G5347G17902G17819电G16817线发出。DTMF双音多频解码电路G7171系统的关G19202G18108分，其主要功能G7171从电G16817G13605上提取信G5699，G5194G4570系统拨号信G5699送上电G16817G13605，G17839G13792G4466G10628控制功能。使G11004电G16817G999G11004的双音多频解码芯片G17839G15904G17767入、G17767出双音频信号的解码，G7171比较G5132G11004的方G8873。使G11004集G6116电路不但G3818G3272电路G12628单，G13792G1000G2499G19764G5627高，信号G13475G17819转换变G1038G1120G17839制码便G1122单片机G16847取。G5132G11004电G16817双音多频解码G3132G73898870、8880、8888G12573，MT8880G7171具G7389检测G17902G16817G9400G8886G3132的单片DTMF调制解调G3132，应G11004G1114CMG50S技术使其具G7389低功G13803G2656高G2499G19764G5627。G1881G18108计G6980G3132提G1391G10481发模G5347，这种单音G10481发G2499G11004G12946G11842定时发送。G2499选G6333G2640G2495G17819程G9400G8886G3132，以便G5506G3800理机分G7524G2640G2495G17819程G1025的单音。提G1391G7643G1946G5506机接G2487G26566800系G2027G1872G4493，G5194G1813G16780G5506机选G3348一G1022状态G4504G4396G3132、两G1022控制G4504G4396G3132G2656两G1022G6980G6466G4504G4396G3132。结合本G8437设计要求我们选G11004MT8880完G6116G8437功能。6MT8880简介MT8880G7171MITG40IG1856G2508生G1147的DTMF发送与接收G3132，G4439G7171一种功能较G5390的DTMF发送与接收G3132G4439的G1881G18108G4504G4396G3132G2656控制接G2487、G6980G6466总线G3132，便G1122G4466G10628与G5506G3800理G3132的G11464接接G2487G2656G4557电路G17839G15904工作模G5347控制G14731得更多的功能G2656G9801活G5627G17902G17819G5506机接G2487G2499以G11013CG51，G53SG50，G53/G58，CS，D0D3G12573信号选G6333与G1881G18108G4504G4396G3132G5194控制电路的工作状态或工作模G5347。G50SC1，G50SC0时G19059或振G14645G3132G17767入G2656G17767出G12483G17902G5132两G12483G3818接358MG43G93晶G1319，IG49，IG49运放的G2528相G2656反相G17767入。GSG3698益选G6333G12483。G57G53G40FG3534G1946电G2399G17767出G12483，G4439G11013G57DDG57SSG1147生，G17902G5132G1038G57DD/2,作G1038运放G17767入偏置。TG50G49G40发送TG50G49G40信号的G17767出。G53/G58G16847、写控制信号G17767入，与TTG47G1872G4493。CS片选信号G17767入若G1038TTG47低电平，G2029G8504电路G15999选。G53SG50G4504G4396G3132选G6333G17767入，与TTG47电平G1872G4493。CF系统时G19059G17767入。D0D3控制DTMF信号发送G2656DTMF译码的4位G6980G6466G17767入/G17767出，与TTG47G1872G4493。IG53Q/CG51G4557G5506G3800理G3132的G1025断请求信号。若控制G4504G4396G3132G6980G6466设定电路G3800G1122G2640G2495G3800理G11CAG47G47G12模G5347G2656G1025断使能，G2029IG53Q/CG51G12483G17767出G1207G15932运放G17767入的方G8886信号音，G16825位信号频G10587必G20047落G3324G2640G2495G3800理G9400G8886G3132带宽G1881。G40ST初始控制G17767出G727若检测出G7389G6940的单音G4557时，G8503STG1038高电平G727若信号丢G3845，G2029G40ST返G1038低电平。ST/GT控制G17767入/G17767出时间监测G17767出若CI电G2399高G1122G19388G19492G57G85SG72G87时，电路G4504G4396G15999检测的DTMF单音G4557，G5194更新G17767出锁G4396G3132G1881G4493G727若电G2399低G1122G57G85G72SG87，G2029电路不接收一新单音G4557、GTG17767出的作G11004G7171设置G3818G18108监测时间G5132G6980。7222双音多频信号解码电G16817G17840程控制系统采G11004MITG40G47G1856G2508生G1147的MT8880DTMF接收G3132作G1038DTMF信号的解码核心G3132件。DTMF信号G13475G11013IG49G2656IG49G17767入，G13475G17819运算放G3835G5194G1000G9400G19512信号G1025的拨号音频G10587，G9994后发送G2052双音G9400G8886G3132，分离出低频G13464G2656高频G13464信号。G17902G17819G6980字计G6980的方G5347检出DTMF信号的频G10587，G5194G1000G17902G17819译码G3132译G6116四位G1120G17839制码。四位G1120G17839制编码G15999锁G4396G3324接收G6980G6466G4504G4396G3132G1025，G8504时状态G4504G4396G3132G1025的延时控制识别位复位，状态G4504G4396G3132G1025的接收G6980G6466G4504G4396G3132满G7643识位置位，G4557G3818G7481说，当G4504G4396G3132G1025的延时控制识别位复位时（G53Q/CI）G11013高电平变G1038低电平。如果G11004IG53QI/CG51作G1038单片机的G1025断信号，1G53QG47G11013高电平变G1038低电平，向CG51G56发出G1025断申请，当G1025断响应，G16847出G4504G4396G3132G1025的G6980G6466后，IG53QG47返回高电平。电G16817G6365G19202以相应的双音多频信号及相应译码G17767出G19202G11436012345译码101000010010001101000101G19202G114366789译码011001111000100110111100G1593221译码G159328223双音多频信号发送当MT8880作G1038DTMG51发送G3132时，G6980G6466总线D0D3上四位G1120G17839制码G15999锁G4396G3324发送G6980G6466G4504G4396G3132G1025，发送的DTMF信号频G10587G11013358MG43G93的晶振分频G1147生。分频G3132首先从G3534础频G10587分离出8G1022不G2528频G10587的G8503G5370G8886G15904G2027计G6980G3132G7693G6466发送G6980G6466G4504G4396G3132G1025的G6980G6466，以八取G1120方G5347分离出一G1022高频信号G2656一G1022低频信号，G13475开关电G4493作D/A转换，G3324G2164G8873G3132G1025合G6116DTMF信号，G5194从TG50G49G40G12483G17767出。1信号音判断的实现信号音判断的原理G7171G11013G1122电G16817系统信号音的拨号音、回铃音G2656忙音的频G10587G3355G1038425475G43G93的G8503G5370G8886，G2494G7171断续比不G2528G1000G3324时间上G7389明显的差异G11拨号音连续信号忙音G1038035SG17902，035S断，回铃G3780G10381SG17902，4S断G12。要判断信号音，首先应G4570G3800理DTMF信号的MT8880芯片设置G1038G2640G2495G3800理模G5347，当选G6333G2640G2495G3800理模G5347时，MT8880就不能G11004G1122检测DTMF信号G1114。MT8880的G2640G2495G3800理G9400G8886G3132G7171一G1022带G17902G9400G8886G3132，G17902频带G1038300510G43G93，当信号G17767入G12483G7389信号音G17767入时，如果MT8880工作G3324CG51模G5347，G3324IG53Q脚就G17767出一高电平。使电G16817G2640G2495G17819程G1025的各种信号音G13475MT8880G9400G8886，G19492幅后得G2052方G8886，G5194G11013MT8880的IG53QG17767出。G9994后G4557MT8880G17767出的IG53Q信号计G69805S，拨号音的计G6980上G19492G1038G1145025G1252375，拨号音的计G6980G991G19492G1038G1145025G1252175。G2528理，忙音的计G6980G14551G3272G103810411212，回铃音的计G6980G14551G3272G1038425475，G7092信号的计G6980应G10380。2MT8880与单片机接口MT8880采G11004G1114G7643G1946的G5506G3800理G3132接G2487，这样使得信号的接收G2656发送变得G12628单。MT8880G1881G18108G73895G1022G4504G4396G3132，这5G1022G4504G4396G3132G2499分G1038G6980G6466暂G4396G4504G4396G3132、收发控制G4504G4396G3132G2656收发G3132状态G4504G4396G3132。G6980G6466暂G4396G4504G4396G3132G7389接收G6980G6466G4504G4396G3132G2656发送G6980G6466G4504G4396G3132接收G6980G6466G4504G4396G3132G11004G1122G4396放最后一G8437接收G2052的G7389G6940值G7171一G1022G2494G16847G4504G4396G3132G727发送G6980G6466G4504G4396G3132G1025的G6980G6466G1927定要发送的双音频信号的频G10587G13464G6116，我们G2494能向发送G6980G6466G4504G4396G3132G1025写人G6980G6466。G3324程序的开始G2656G2164电、系统复位时、G3324软件上要G4557控制G4504G4396G3132G17839G15904初始化。3硬件接口电路G5120G5123分别接人MT8880的D0D3单片机的G5124G5127分别接MT8880的G46S0、CS、G53/G58、CG46。MT8880每接收一G1022G3818G18108信号IG53QG47G11013高变低一G8437，单片机G3324G1025断G7411间G4570G6980G6466D0D3从MT8880G16847入G1881G18108G6980G6466G4396储G3132，G1025断服务完G6116后。G53QIG11013低变高，开始接收G991一G1022信号G11设计时应注意G1025断服务时间小G1122拨号G1881G18108G6980字时间间G19560G12。当9G4557G3818发G5079命令时。8051G4570G1881G18108G6980G6466D0D3G1268送G2052G510G2487。G9994后G1889从G510G2487G1268送G2052MT8880的D0D3，G6980G6466G3324MT8880G1025G13475双音频调制后从TG50G49G40脚G17767出DTMF信号。MT8880控制线的片选信号CSIG17902G17819与G19762G19388与G5125相连，G51251，选G1025MT8880，G51250选G1025程序G4396储G31322716时G19059信号G110138051的信号提G1391G16847写信号G53/G58G11013G5126提G1391，G4504G4396G3132片选信号G11013G5127提G1391。G50SC1、G50SC2接3528MG43G93晶振。18G265619G12483G3818接G53C积分电路，使解码G6980G6466G1147生一G1022延时，让CG51G56G2499G8503G11842G16847取。DTMF收发功能模块电路图如G9914参数计算G538、G5310、G5320、G5323G1038100G46电G19471G727晶振G1038358MG43G93G727使G11004运算放G3835G3132G47M324G4557G17767出的DTMF信号放G3835G72723模拟摘机、挂机电路IN1IN2OSC16R/W9CS10RS011CLK212GS3VREF4OSC27TONE8EST18ST/GT19IRQ/CP13VSS5D014D115D216D317VDD20U7MT8880AC120R8100KC10104R20100KY2358R21347KC17104VCCR221KC16001UF121314U9DLM324P20P21P22P23P24P27P26P25INT1R23100KR10100KR12100KR13300R1933KVCCC1801UFC1101UFOUTOUT图22DTMF收发功能模块电路图10G7693G6466国G4490G7389关G7643G1946G16280定不论任何电G16817机，摘机状态的G11464流电G19471应600，G7389“G53”G19202的电子电G16817机的摘机状态G11464流电G19471应600。G3324挂机状态G991，其漏电流5A。当G11004户摘机时，电G16817机G17902G17819叉簧接上G13434600的负G17745，使G6984G1022电G16817线回路流G17819G13434300MA的电流。G1144换机检测G2052G16825电流后便停止铃流发送，G5194G4570线路电G2399变G103810G57左右的G11464流。G7693G6466G7389关技术指G7643，模拟摘挂机电路设计如图23摘机电路主要G11013一G1022G51G49G51型三G7509G12661控制，当8255的17脚G17767出高电平时G1821G13818G4560G17902，G51G49G51型三G7509G12661G4560G17902，电G19471G534接入电G16817线G13605达G2052摘机G11458的。24语音控制电路系统G2045G11004语音控制电路G4466G10628G11004户G2656系统的G1144流。语音控制电路预先G4396储若G5190G8585系统提示音,提示G11004户G17839G15904系统操作，G1025央G3800理单元电路判断G11004户发送的DTMF信号后,G4557语音提示电路G17839G15904G4559G3348,播放相应的提示音,从G13792向G11004户反馈信G5699提示G991一步G16825如何操作。提高G1114系统的智能化程度。本G8437设计选G11004美国ISDG1856G2508的语音芯片ISD2560。美国ISDG1856G2508生G1147的ISD系G2027语音芯片，采G11004模拟G6980G6466G3324半G4560G1319G4396贮G3132G11464接G4396贮的G999G2045技术，G2375G4570模拟语音G6980G6466G11464接写入单G1022G4396储单元，不G19668G13475G17819A/D或D/A转换，G3252G8504能够较G3921地G11507G4466G1889G10628语音的自G9994G6940果，G18003G1825一般G3278G1319语音电路G3252G1038量化G2656G2399缩G6164G17908G6116的量化噪G3780G2656G3845G11507G10628象。另G3818芯片功能G5390G3835G2375录G2375放、语音G2499掉电保G4396、G790万G8437的擦写寿命、G6175动操作G2656CG51G56控制G1872G4493、G2499多片级连、G7092G20047开发系统G12573，G11842G4466给欲G4466G10628语音功能的14AC2AC3B2QDT1TRANS1C501UFD4ZENER2D3ZENER2R91KPC3R42KR330KQ1PNPOUTU5OPTOISO1C41UFD8LED12JCON2图23模拟摘机、挂机电路11单片机应G11004设计人员提G1391G1114单片机的解G1927方案。241ISD2560介绍ISD2560采G11004G11464接电平G4396储技术，省去G1114A/D、D/A转换G3132，录音时间G103860S。ISD2560集G6116度较高，G1881G18108G2265G6336G2081置放G3835G3132、G1881G18108时G19059、定时G3132、采样时G19059、G9400G8886G3132、自动G3698益控制、逻辑控制、模拟收发G3132、解码G3132G2656480G46字节的G40G40G51G53G50MG12573G12573。ISD2560控制电平与TTG47电平G1872G4493，接G2487G12628单，使G11004方便。G4396储单元G3324写入语音信号的G2528时，自动清G19512G1114G16825G4396储单元原G7389的语音信号，从G13792G4466G10628G1114ISD系G2027G3132件的自动抹音。AG50A9G1038地G3348线，G1861G73891024种G13464合状态。最G2081G19766的600G1022状态作G1038G1881G18108G4396储G3132的G4559G3348G11004，最后256G1022状态作G1038操作模G5347。ISD2560支持G11004户G4557语音信G5699G11464接地G3348操作。但长达10位的地G3348线G4557单片机G7481说显得G2487线G2356G11004太多，带G7481要扩展接G2487的麻烦。G3921G3324ISD语音芯片的操作模G5347给设计人员提G1391G1114G5468G3835G4466G11004G5627G2656G9801活G5627，使设计者G3324G4557语音信G5699G8585G17839G15904操作G2656语音G13464合时G7693本G7092G20047知道其地G3348，G13792仅G20047知道语音G8585的相G4557序号G2375G2499。ISD2560的最高地G3348位A8G11脚9G12、A9G11脚10G12置G1038高电平时，芯片G2375G17839入操作模G5347状态。操作模G5347G7693G6466引脚A1A8的高低电平不G2528G13464合总G1861分G10386种不G2528的模G5347，G4466G10628不G2528的功能。G5506G3800理G3132接G2487G12483G51/G53录放音控制G12483，G8504G12483G1038高电平时G1038放音状态，低电平时G1038录音状态G727CG40G12483G11004G1122录放音时的启停控制，G17902G5132与G51/G53G12483配合使G11004G727G40G50MG12483G1038每G8585信G5699结束信号G17767出G12483，G1038负向信号，时间G1038125MS，上升沿G7643志信G5699结束。先G11004G19766G2265板搭G3921录音电路，电路图如图24RRES2RRES2RRES2RRES2SSWPBSSWSPDTCCAPCCAPCELECTRO1CELECTRO1A01VCCA16A12VCCD28A23VSSD13A34VSSA13A45AUXIN11A56ANAOUT11A67ANAIN20A78MIC17A89MICREF18A910SP1415PD2422CE23EOM25P/R27U8VCCVCCLSMKMICROPHONE2CCAPCCAPVCC12采G11004DIG5128脚插座放置芯片G17839G15904语音的录入，G17836G2499随时G17839G15904改写。G1038减G4581G7446音，要求电源的G13453G8886较小。G3324G6365G19202模G5347G991G12661脚CG40、G51D、G40G50M的定G1053G7389G6164不G2528，G8504时G111G12CG40的G991降沿控制操作的开始G2656暂停，低G14045G1926G7389G6940，起G1062G1063G19202作G11004，操作一G8437G2375G5430G6116一G8585语音，芯片自动G3324每G8585语音结G4626G3800放置结G4626G7643志G40G50M。暂停后G1881G18108地G3348G5194不复位，G991一G1022G991降沿G14045G1926后从暂停G3800的地G3348G13499续操作。G112G12G51D的上升沿停止当G2081录放操作，G5194使地G3348指G19036复位。G113G12G40G50M指示录放操作G8503G3324G17839G15904，高电平G7389G6940。G2499驱动发G1821G1120G7509G12661G17839G15904指示。G4570G6164G19668的语音G17902G17819开始G6365G19074一G8585一G8585从G16817G12582录入芯片，G2494G19668记G1315各G8585的序号G2375G2499。G1563设G3324芯片G1025G17902G17819G16817G12582G1393G8437录入G111414G8585语音如G991G111G12“一”G727G112G12“G1120”G727G113G12“三”G727G114G12“四”G30G115G12“G1128”G727G116G12“G1857”G727G117G12“G983”G727G118G12“八”G727G119G12“G1073”G727G1110G12“G2325”G727G1111G12“G19658”G30G1112G12“G11346”G727G1113G12“度”G727G1114G12“G10628G3324温度”。如果要系统放出语音“G10628G3324温度一G11346G1128G2325八度”G16825如何G13464合控制G2614G34（1）先G4570芯片的录放控制G51/G53G20042G12483置高，地G3348位A4、A0置高，G10628G3324芯片G2375G3800G1122信G5699检G13046模G5347的信G5699G16847状态。（2）接着G3324CG40G12483G2164一不G3835G112210G51S的低G14045G1926，芯片G2375以G8503G5132速度的800G1505向G2081G6207G6563G4396贮G3132，G6640G13046G40G50M结束G7643志位，G8504时不G17767出音频信