001.6:1527.[3] 张原.可编程逻辑器件设计及应用[M].北京:机械工业出版社,2003.2:3540.[4] 王振红.VHDL数字电路设计与应用实践教程[M].北京:机械工业出版社,2003.6:3945.[5] 潘松,黄继业.EDA技术实用教程[M].北京:科学出图5 TUXNIT电路结构外观版社,2003.7:1115.[6] 周立功,夏宇闻.单片机与CPLD综合应用技术[M].北京航空航天大学出版社,2003.9:2023.[7] 林容益.CPU/SOC及外围电路应用设计—基于FPGA/CPLD[M].北京航空航天大学出版社,2004.7:6572.图6 RXUNIT电路结构外观[责任编辑、校对:高启明]SerialUARTInterfaceCircuitDesigningBasedonCPLD/FPGACHUHaiyan(DepartmentofElectricEngineering,Xi’anAerotechnicalCollege,710077,Xi’an,Shaanxi,China)Abstract:UART(UniversalAsynchronousReceiverTransmitter)municationontheseriallinkcircuit.WiththeapplicationofEDAtechnology,apparatusdesigningandrealizationbasedontheCPLD/FPGAtorealizeUARTbaudratecreator,transmitter,receiverandintegratedcircuit,aimingtoutilizeVHDLlanguageandapplicationofCPLDchip.KeyWords:VHDL;CPLD/FPGA;UARTInterfaceCircuit