PIC16C5X的RS-232自动波特率驱动

Thisapplicationnotedescribesanimplementationofa

RS-232AutobaudroutineonaPIC16C54Bmicrocon-troller.

Manymicrocontrollerapplicationsrequirechip-to-chip

serialcommunication.SincethePIC16C54Bhasno

USART,serialcommunicationmustbeperformedin

software.Someapplicationsusemultipletransmission

rates.Multipletransmissionratesrequiresoftware

whichdetectsthetransmissionrateandadjuststhe

receiveandtransmitroutinesaccordingtothetrans-missionrate.AN712RS-232AutobaudforthePIC16C5XDevicesEXAMPLE1:BAUDRATECALCULATIONAuthor:ThomasSchmidtMicrochipTechnology1-=104stone