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max7219数据手册.pdf

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19-4452;Rev3;7/97SeriallyInterfaced,8-DigitLEDDisplayDrivers_______________GeneralDescription____________________________FeaturesMAX7219/MAX7221TheMAX7219/pact,serialinput/out-♦mon-cathodedisplaydriversthatinterface♦microprocessors(µPs)to7-segmentnumericLEDdis-IndividualLEDSegmentControlplaysofupto8digits,bar-graphdisplays,or64indi-♦Decode/No--chipareaBCDcode-Bdecoder,multiplexscancircuitry,segmentanddigit♦150µALow-PowerShutdown(DataRetained)drivers,andan8x8staticRAMthatstoreseachdigit.♦DigitalandAnalogBrightnessControlOnlyoneexternalresistorisrequiredtosettheseg-♦DisplayBlankedonPower-UpwithSPI™,QSPI™,andMicrowire™,andhasslew-rate-♦mon-CathodeLEDDisplaylimitedsegmentdriverstoreduceEMI.♦Aconvenient3-wireserialinterfaceconnectstoallSlew-monµ(MAX7221)♦SPI,QSPI,MicrowireSerialInterface(MAX7221)MAX7219/MAX7221alsoallowtheusertoselectcode-♦Bdecodingorno--PinDIPandSOPackagesThedevicesincludea150µAlow-powershutdownmode,analoganddigitalbrightnesscontrol,ascan--PACKAGEdigits,°Cto+70°C24NarrowPlasticDIP________________________ApplicationsMAX7219CWG0°Cto+70°C24WideSOMAX7219C/D0°Cto+70°CDice*Bar-GraphDisplaysMAX7219ENG-40°Cto+85°C24NarrowPlasticDIP7-SegmentDisplaysMAX7219EWG-40°Cto+85°C24WideSOIndustrialControllersMAX7219ERG-40°Cto+85°*DicearespecifiedatTA=+25°++MAX7219DIG6520SEGC18MAX7221ISETDIG0–DIG7DIG2619V+8DIGITS1MAX7219DIG3718ISETMOSIDINMAX7221DIG7817SEGG12µPI/OLOAD(CS)GND916SEGB13SCKCLKSEGA–G,DIG51015SEGFSEGDP98SEGMENTSGNDDIG11114SEGAGND4LOAD(CS)1213CL

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max7219数据手册.pdf

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max7219数据手册

MAX7219驱动数码管显示

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MAX7219驱动数码管显示

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数据手册