文档介绍：:PinNameITU-TDirDescription1GND101ShieldGround2TXD103TransmitData3RXD104ReceiveData4RTS105RequesttoSend5CTS106CleartoSend6DSR107DataSetReady7GND102SystemGround8CD109CarrierDetect9- -RESERVED10- -?????,引脚定义为:: PinNameDirDescription1/STROBEStrobe2D0DataBit03D1DataBit14D2DataBit25D3DataBit36D4DataBit47D5DataBit58D6DataBit69D7DataBit710/ACKAcknowledge11BUSYBusy12PEPaperEnd13SELSelect14/AUTOFDAutofeed15/ERRORError16/INITInitialize17/,外观为:PinNameDirDescription1DATAKeyData2n/c-Power,+5VDC5CLKClock6n/c-:PinNameDescriptionTechnical1CLOCKClockCLK/CTS,Open-collector2DATADa