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时间: 2019-12-24 17:12
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利用STM32USART实现对RS-485和IO-Link的驱动使能信号的管理AN3070ApplicationnoteManagingtheDriverEnablesignalforRS-485andIO-LinkcommunicationswiththeSTM32’sUSARTIntroductionRS-485andIO-Linkarehalf-duplexcommunicationprotocolsthatoffereasywaysofimplementingthephysicallayerinindustrialnetworks.TheSTM32F10x,whichcomeswithupto5UARTinterfacesandfeaturesfastDMAtransferandlowinterruptlatency,meetstheRS-485andIO-Linktimingspecifications.Thisapplicationnoteaimsatprovidingtimingmeasurementsofth……