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HT16L21 Datasheet(PDF) 1 Page - Holtek Semiconductor Inc |
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HT16L21 Datasheet(HTML) 1 Page - Holtek Semiconductor Inc |
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1 / 36 page  Rev. 1.00 1 November 16, 2011 Rev. 0.00 PB November 16, 2011 HT16L21 RAM Mapping 32×4 LCD Driver Feature • Logicoperatingvoltage:1.8V~5.5V • LCDoperatingvoltage(VLCD):2.4V~6.0V • ExternalVLCDpintosupplyLCDoperatingvoltage • Internal32kHzRCoscillator • Bias:1/2or1/3;Duty:1/4 • InternalLCDbiasgenerationwithvoltage-follower buffers • IntegratedregulatortoadjustLCDoperatingvoltage: 3.0V,3.2V,3.3V,3.4V,4.4V,4.5V,4.6V,5.0V • IntegratedLEDdriver • SupportI2CorSPI3-wireserialinterface controlledbyIFSpin • FourselectableLCDframefrequencies: 64Hzor85.3Hzor128Hzor170.6Hz • 32×4bitsRAMfordisplaydatastorage • Max.32×4pixel:32segmentsand4commons • Supporttwodriveroutputmodesegment/LEDon SEG24~SEG31/LED7~LED0 • Versatileblinkingmodes:off,0.5Hz,1Hz,2Hz • R/Waddressautoincrement • Lowpowerconsumption • ManufacturedinsilicongateCMOSprocess • Packagetypes:44LQFP Applications • Leisureproducts • Games • Telephonedisplay • Audiocombodisplay • Videoplayerdisplay • Kitchenappliancedisplay • Measurementequipmentdisplay • Householdappliance • Consumerelectronics General Description TheHT16L21deviceisamemorymappingand multi-functionLCDcontroller/driver.Thedisplay segmentsofthedeviceare128patterns(32segments and4commons)display.ItcanalsosupportLED driveoutputsoncertainSegmentpins.Thesoftware configuration feature of the HT16L21 device makesitsuitableformultipleLCDapplications includingLCDmodulesanddisplaysubsystems. The HT16L21 device communicates with most microprocessors/microcontrollersviaatwo-wire bidirectionalI2Corathree-wireSPIinterface. |
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