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PI6C49014 Datasheet(PDF) 2 Page - Pericom Semiconductor Corporation |
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PI6C49014 Datasheet(HTML) 2 Page - Pericom Semiconductor Corporation |
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2 / 12 page ![]() 2 02/16/2012 PI6C49014 Networking Clock Generator Pin Description Pin # Pin Name Pin Type Pin Description 1 GNDO_200M Power Groundfor200MHzoutput 2 IREF Output Connect475-OhmresistortosetHCSLoutputdrivecurrent 3 NC - NoConnect,leaveopen 4 NC - NoConnect,leaveopen 5 SCLK Input SMBuscompatibleinputclock.Supportsfastmode400kHzinputclock 6 SDATA I/O SMBuscompatibledataline 7 GND_25M Power Groundfor25MHzoutput 8 25M_Out1 Output 25MHzLVCMOSoutput.Whendisabled,outputistrisatedandhasanormal 110kOhmpull-down 9 25M_Out2 Output 25MHzLVCMOSoutput.Whendisabled,outputistrisatedandhasanormal 110kOhmpull-down 10 VDDO_25M Power 3.3Vsupplyfor25MHzoutput 11 GND_32M Power Groundfor32MoutputandrelatedPLL 12 VDDO_32M Power 3.3Vsupplyfor32MoutputandrelatedPLL 13 32.256M_Out Output 32.256MHzLVCMOSoutput.Whendisabled,outputistrisatedandhasanormal 110kOhmpull-down 14 GND_XTAL Power GroundforXTAL 15 PD_RESET Input Poweronreset,whenlowallPLLsarepowereddownandoutputtrisated.SMBus registersareresettodefaultvalues 16 X1 Input Crystalinput.Integrated6pfcapacitance 17 X2 Output Crystaloutput.Integrated6pfcapacitance 18 VDD_XTAL Power 3.3VsupplyforXTAL 19 GND_D Power GroundforallinputandfeedbackdividerofPLL 20 VDD_D Power 3.3VsupplyforallinputandfeedbackdividerofPLL 21 NC - NoConnect,leaveopen 22 GND_200M Power Groundfor200MHzrelatedPLLandI2Cinterface 23 VDD_200M Power 3.3Vsupplyfor200MHzrelatedPLLandI2Cinterface 24 VDDO_200M Power 3.3Vsupplyfor200MHzoutputbuffer 25 NC - NoConnect,leaveopen 26 NC - NoConnect,leaveopen 27 200M_Q- Output 200MHzHCSLoutput 28 200M_Q+ Output 200MHzHCSLoutput 11-0146 |
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