CP2102 USB转串口芯片

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1、CP2102SINGLE-CHIPUSBTOUARTBRIDGESingle-ChipUSBtoUARTDataTransferVirtualCOMPortDeviceDriverszIntegratedUSBtransceiver;noexternalresistorszWorkswithexistingCOMPortPCapplicationsrequiredzRoyalty-freedistributionlicensezIntegratedclock;noexternalcrystalrequiredzWindows98SE/2

2、000/XPzIntegrated1024-ByteEEPROMforvendorID,productzMACOS-9ID,serialnumber,powerdescriptor,releasenumber,zMACOS-XandproductdescriptionstringszLinux2.40andgreaterzOn-chippower-onresetcircuitUSBXpress™DirectDriverSupportzOn-chipvoltageregulator:3.3Voutputz100%pinandsoftwar

3、ecompatiblewithCP2101ExampleApplicationszUpgradeofRS-232legacydevicestoUSBUSBFunctionControllerzCellularphoneUSBinterfacecablezUSBSpecification2.0compliant;full-speed(12Mbps)zPDAUSBinterfacecablezUSBsuspendstatessupportedviaSUSPENDpinszUSBtoRS-232serialadapterAsynchronou

4、sSerialDataBUS(UART)SupplyVoltagezAllhandshakingandmodeminterfacesignalszSelf-powered:3.0to3.6VzDataformatssupported:zUSBbuspowered:4.0to5.25V-Databits:5,6,7,and8-Stopbits:1,1.5,and2Package-Parity:odd,even,mark,space,noparityzBaudrates:300bpsto1MbitszLeadfree28-pinMLP(5x

5、5mm)z576Bytereceivebuffer;640bytetransmitbufferOrderingPartNumberzHardwareorX-On/X-OffhandshakingsupportedzCP2102-GMzEventcharactersupportzLinebreaktransmissionTemperatureRange:–40to+85°CCP2102VDD7VoltageREGININRegulator9RSTOUT(toexternalcircuitry12forUSBsuspendSUSPEND3.

6、3Vstates)611VDDSUSPEND3GND2RI48MHz18DCDExternalRS-232VBUSOscillatorUSB28transceiverorDTRCONNECTORUARTcircuitry271DSRVBUSUART2526D-D-USBUSBFunctionTXD3D+4TransceiverController254D+RXDGND640B576B24651024BRTSD1D2D3TXRXEEPROM23BufferBufferCTSFigure1.ExampleSystemDiagramRev.1

7、.010/04Copyright©2004bySiliconLaboratoriesCP2102CP21022Rev.1.0CP2102TABLEOFCONTENTSSectionPage1.SystemOverview.........................................................42.AbsoluteMaximumRatings................................................53.GlobalDCElectricalCharacteri

8、stics.........................................54.PinoutandPackageDefinitions...........................