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HT1622/HT1622GRAMMapping32´8LCDControllerforI/OMCUPATENTEDPATNo.:099352Features·················Operatingvoltage:2.7V~5.2VBuilt-inRCoscillatorR/WaddressautoincrementTwoselectablebuzzerfrequencies(2kHzor4kHz)PowerdowncommandreducespowerconsumptionSoftwareconfigurationfeatureDatamodeandCommandmodeinstructionsThreedataaccessingmodesVLCDpintoadjustLCDoperatingvoltage1/4bias,1/8duty,framefrequencyis64HzMax.32´8patterns,8commons,32segmentsBuilt-ininternalresistortypebiasgenerator3-wireserialinterface8kindsoftimebaseorWDTselectionTimebaseorWDToverflowoutputBuilt-inLCDdisplayRAM44/52/64-pinLQFPpackagesHT1622G:GoldbumpedchipGeneralDescriptionHT1622isaperipheraldevicespeciallydesignedforI/OtypeMCUusedtoexpandthedisplaycapability.Themax.displaysegmentofthedeviceare256patterns(32´8).Italsosupportsserialinterface,buzzersound,WatchdogTimerortimebasetimerfunctions.TheHT1622isamemorymappingandmulti-functionLCDcontroller.ThesoftwareconfigurationfeatureoftheHT1622makeitsuitableformultipleLCDapplicationsin-cludingLCDmodulesanddisplaysubsystems.OnlythreelinesarerequiredfortheinterfacebetweenthehostcontrollerandtheHT1622.TheHT162Xserieshavemanykindsofproductsthatmatchvariousapplications.SelectionTableHT162XHT1620HT1621HT1622HT16220HT1623HT1625HT1626COM432¾Ö432ÖÖ832Ö832¾Ö848ÖÖ864ÖÖ1648ÖSEGBuilt-inOsc.CrystalOsc.¾ÖRev.2.601October31,2013PATENTEDHT1622/HT1622GBlockDiagramDisplayRAMOSCICSCointrolCOMM07andRDTCminugWRircitLBCDDrivCeOruEiGt/iasCircS03DATASVELG1VDDVSSCDBZWaaetecnhdcBdyaogTimerToGneFreTtqunIRQneneraomrBZiseGeeratorPinAssignment443344849401233333456733SCRSDR12345678911EEEEEEEEEEEG12103332221098SSSSSGGGGGGGGGG1198765432WDVATAVSSHT1622OSCI44LQFP-A6666061234555525354555678945590148VDD27SCNRSCDR1T1234SSSSSSSSSSSSSNNNEEEEEEEEEEEEEGGGGGGGGGGGGG11111111119879876543210LCD22226543SSSS4444476543IRQTT1201WDA5A121314151617181920VOV222SDSDQ6789SCI4244333331098765HT1L622VLCZD64QFP-AIR10B111111123456NCBZTTT123C34CC445585901244456744440412343532CRSDR13333339SSSSSSSSSSSSSEEEEEEEEEEEEEG11111111198768765432101712801291222322943203163227282345678987654GGGGGGGGGGGGWDVATAVSSOSCIHT1L622VDD3352QFP-A2LCD333222IRQ109872TTT12310111123COM01415161721382149250226122Rev.2.602October31,2013PATENTEDHT1622/HT1622GPadAssignment545352515049484746454443CS142SSSSSSSSSSEEEEEEEEEEGGGGGGGGGG1111111111987654321041RD234309WR38DVATA43333376543VSS567OSCIVDDLCD832SSSEEEGGG987(0,0)IRQ93130BZ10BZ11T112TT2111134563CCOM0OM117181920212223242526272829Chipsize:94´98(mil)2Bumpheight:18mm±3mmMin.Bumpspacing:23.102mmBumpsize:76´76mm2*TheICsubstrateshouldbeconnectedtoVDDinthePCBlayoutartwork.Rev.2.603October31,2013PATENTEDHT1622/HT1622GPadCoordinatesUnit:mmPadNo.XYPadNo.XY12-1077.075-1077.075-1077.075-1077.075-1077.037-1077.075-1077.037-1077.075-1077.075-1077.075-1077.075-1077.075-1077.075-1077.075-1077.075-1077.075-589.281-490.179-304.799-205.699-20.31978.7361090.589905.211806.109594.542359.680260.745162.71063.734-34.789-238.247-519.705-677.315-776.416-875.435-974.536-1073.554-1129.575-1129.575-1129.575-1129.575-1129.575-1129.575-1129.575-1129.575-1129.575-1129.575-1129.575282930313233343536373839404142434445464748495051525354721.077820.0951076.9001076.9001076.9001076.9001076.9001076.9001076.9001076.9001076.9001076.9001076.9001076.9001076.900213.669114.65015.550-83.469-182.570-281.590-380.690-479.710-578.810-677.829-776.931-875.949-1129.575-1129.575-141.904-42.88556.215155.234254.335353.354452.456551.474650.576749.594848.695947.7141046.8161127.1501127.1501127.1501127.1501127.1501127.1501127.1501127.1501127.1501127.1501127.1501127.1503456789101112131415161718192021222324252627225.736324.836423.856522.957621.975PadDescriptionPadNo.PadNameI/ODescriptionChipselectioninputwithPull-highresistor.WhentheCSislogichigh,thedataandcommandreadfromorwrittentotheHT1622aredisabled.These-rialinterfacecircuitisalsoreset.ButifCSisatlogiclowlevelandisinputtotheCSpad,thedataandcommandtransmissionbetweenthehostcontrollerandtheHT1622areallenabled.1CSIREADclockinputwithPull-highresistor.DataintheRAMoftheHT1622areclockedoutonthefallingedgeoftheRDsignal.Theclockedoutdatawillap-pearonthedataline.Thehostcontrollercanusethenextrisingedgetolatchtheclockedoutdata.23RDWRIIWRITEclockinputwithPull-highresistor.DataontheDATAlinearelatchedintotheHT1622ontherisingedgeoftheWRsignal.45DATAVSSI/OSerialdatainputoroutputwithPull-highresistorNegativepowersupply,ground¾Ifthesystemclockcomesfromanexternalclocksource,theexternalclocksourceshouldbeconnectedtotheOSCIpad.6OSCII7VDDVLCDIRQ¾IPositivepowersupply8LCDoperatingvoltageinputpadTimebaseorWatchdogTimeroverflowflag,NMOSopendrainoutput2kHzor4kHztonefrequencyoutputpairNotconnected9OOI10,1112~1415~2223~54BZ,BZT1~T3COM0~COM7SEG0~SEG31OOLCDcommonoutputsLCDsegmentoutputsRev.2.604October31,2013PATENTEDHT1622/HT1622GAbsoluteMaximumRatingsSupplyVoltage...........................VSS-0.3VtoVSS+5.5VStorageTemperature............................-50°Cto125°COperatingTemperature...........................-40°Cto85°CInputVoltage.............................VSS-0.3VtoVDD+0.3VNote:Thes
本文标题:HT1622液晶驱动IC
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