RESET芯片SP706TCN资料.docx
RESET芯片SP706TCN资料芯片简介：DlPandSoIC-RXDHSip(SP706P/R/S/T8WDOTlRESETZRESEr】、电源引脚及电压范围:PARAMETERMIN.TYP.MAX.UNITSCONOmONSOperatingVonageRange.v;(.TFv2、管脚功能说明:管脚序号管脚标记管脚功能说明1MR手动复位一当此引脚的输入电压低于0.8V时,此引脚将会触发一个复位脉冲2VOC电源输入3GNDGround4PFI电源监控榆入引脚一当输入此引脚的电压低千125V时，电源监控输出引脚将会输出低电平。当不运用此引脚时，应当把此引货接地或布连接Vcc5/PFO电源监控输出引脚-此引脚只花在电源监控输入引脚的电压低于1.25V时，才会输出低电平,否则总保存而电平状杰;6WDI看门狗输入引脚一当此引脚保持低电平或向电平状杰超过1.6s时，芯片内部的定时器将会起作用使看门狗输出引脚变成低电平；7/RESET夏代输出一当触发信号处于低电平状态或者Vcc低于峋值电质时，亚位输出将会处于低电平达200ms,此时Vcc电乐上升至闷值电乐之上或先手动身位输入从低电压变为而电平常，此管脚的输出电平仍IH会保持200ms的低电平状态;8/WDO行门的输出引脚一当芯片内部的看门狗定时器完成1.6s的计时时，这个钻出引脚始终处于低电平状态，直到看门狗被清除;2、内部功能结构图:（因原资料中没有706T的，只能引用706P的功能结构图便于测试时参与）3、3门狗作用时序图:Flgnrt/5.TitntttfDittfr.*、rff11WTrhMtfd.ThfKESETONTtahZavrtzM/Jb<.lfv<>rm4、实测时间叁数级脉冲宽度参数:SPECIFICATIONSV.27Vto55VbrSP70.P.RVr10to55VfarSP70.S.Vfi3l5Vlo5.5VfcrSF70J.T4TmtoTea-toTwurtof¼mctedPARAMETERMIN.TYP.MAX.UNITSCONDITIONSOpvabngVoltageRangatVcc1055VSpdyCure<rt.I-2540SMR=V8orFk>3ng.WDIFtoaDnQResetThreshold2552853002632933.082703003.15VSP70PRSP70.SSP70.TResetThresholdHysiefests20mVNote2ResetPu»$tWnh.%140200280mNo2RESETOutputVOaag%VdV-Vd。取V”Vcc.1,50304VV.36V.IcoUw=500AV.zzWy，36V.lg"211A45V<Vcc<55V.tcu=800MA45V<Vc<55V,w=32f11ARESETOutputV<W3Qe%Vave-Vd36VJ50304V36V.JAV*，XWc36VJ=12(11A45VtVoc<55V.Itcaiet=800mA45V<V6c<55V.Iac1=32mAWacchdogTimeoutPenOd.J1.1602.25Svee<3.vWDiPuiseWknr)1.50nsVu=04V,V=O8xVcWDlInputThreshold.XV-07%350608V:温vcc=5OVVcc三5.0VWDlinputCurrent-10021AWDI:OBVSPECIFICATIONS(continued)V.27Vg>qVIor5FT1.PW4tf20M59Vf5P70>.V*c3693SVrSF7Q.T.T.J9T_toT_5M*w<HnoMPARAMETERMIN.TYP.MAX.UNITSCONDITIONSWDOOutputvoltageVJVdVoMVd08XVeC%150.304Vvmnw<Vcc<3.V.Iaftxice=500Av.-wuu.*Vc4.*3V,ltt=12mA45V-vcj55V.IaiCj800MA45v*ve55V.J三32mAMRPN-UpCurrent25170250250600AMR=W.JWyQeVMR-(JV.45V<Vc4<55VMRPuoWk,J500150n汰过淇产MRinputThreshold$Q07xVe20060VX湍4vV45V<Vee-55VMRtoRoMtOutDolay.Jt750250nsV.,3j<V4<36V.NOTE245XV<5V,NOTE2PFllrjtThreshold1i01.25130yV-3OVtorth©SP70PRVy-33VformeSP70.S,PFlOligPFlInputCurrent25.00125nAPTOOutputVCHUgeVXVdVJ08xVccVy150304Vvm-mMo*Vc<3.V.aovc=SooMA7-vc-36V.Wfas45V*Vcc<55V.Iaca=8O0A45V*V<55V.-32mAPFl和PFO触发更位实测波形及电路图:E糖us尸。HSrT<cmprMD«-«rsSfzrMnRcpomCTime.6、PFI和PFo狂位后亚原实测波形及电路图;FifwrfSAAmeFwOmjMrMV.4frti0nRrPotnfTimf.DzceSrKekKMrwAiifrrtCff庶内7m.7、Vcc和RESET实测复位波形及实测电路图;Ta=*25*CJgnd：；2KQFttnrf6&CircuitrXSPFRESETOutfitW<f<rSRPapfftfFB6,SrwJrESfT/Wrrx$«W»68、Vcc和RESET实测复位后复原波形及测试电路图;Fignre以OrcuHfareSKRR1.S1.TTimt
