标签: otp微控制器

INTRODUCTIONThetechnicalbriefdescribeshowtoimplementin-cir-cuitserialprogramming(ICSP™)usingthePIC12C5XXOTPPICmicro™MCU.ICSPisasimplewaytomanufactureyourboardwithanunprogrammedPICmicroandprogramthedevicejustbeforeshippingtheproduct.ProgrammingthePIC12C5XXMCUin-circuithasmanyadvantagesfordevelopingandmanufacturingyourproduct.•Reducesinventoryofproductswitholdfirmware.WithICSP,theusercanmanufactureproductwithoutprogrammingthePICmicroMCU.ThePICmicrowillbeprogrammedjustbeforetheproductisshipped.•ICSPinproduction.NewsoftwarerevisionsoradditionalsoftwaremodulescanbeprogrammedduringproductionintothePIC12C5XXMCU.•ICSPinthefield.Evenafteryourproducthasbeensold,aservicemancanupdateyourprogramwithnewprogrammodules.•Onehardwarewithdifferentsoftware.ICSPallowstheusertohaveonehardware,whereasthePIC12C5XXMCUcanbeprogrammedwithdifferenttypesofsoftware.•Lastminuteprogramming.Lastminutepro-grammingcanalsofacilitatequickturnaroundsoncustomordersforyourproducts.TB017HowtoImplementICSPUsingPIC12C5XXOTPMCUscustomordersforyourproducts.Author:ThomasSchmidtMicrochipTechnologyInc.IN-CIRCUITSERIALPROGRAMMINGToimplementICSPintoanapplication,theuserneedstoconsiderthreemaincomponentsofanICSPsystem:INTRODUCTIONApplicationCircuit,Prog……