代理 48´8LCDControllerforI/OHT1623MCU 许先生 ********** PATENTED PATNo.:TW099352 TechnicalDocument · ApplicationNote Features · · · · · · · · · · · · Operatingvoltage:~ Built-inRCoscillator Built-inLCDdisplayRAM R/Waddressautoincrement Twoselectionbuzzerfrequencies(2kHzor4kHz) mandreducespowerconsumption Softwareconfigurationfeature mandmodeinstructions essingmodes VLCDpintoadjustLCDoperatingvoltage 100-pinLQFPpackage External crystal or 32kHz frequency sourceinput · · · · · · 1/4bias,1/8duty,framefrequencyis64Hz ´8patterns,8commons,48segments Built-ininternalresistortypebiasgenerator 3-wireserialinterface 8kindsoftimebaseorWDTselection TimebaseorWDToverflowoutput GeneralDescription HT1623isaperipheraldevicespeciallydesignedforI/O type MCU used to expand the display capability. The max. display segment of the device are 384 patterns (48´8).Italsosupportsserialinterface,buzzersound, watchdog timer or time base timer functions. The HT1623isamemorymappingandmulti-functionLCD controller. The software configuration feature of the HT1623makeitsuitableformultipleLCDapplications including LCD modules and display subsystems. Only three lines are required for the interface between the host controller and the HT1623. The HT162X series havemanykindsofproductsthatmatchvariousapplica- tions. SelectionTable HT162X HT1620 HT1621 HT1622 HT16220 HT1623 HT1625 HT1626 COM 4 32 ¾ Ö 4 32 Ö Ö 8 32 Ö 8 32 ¾ Ö 8 48 Ö Ö 8 64 Ö Ö 16 48 Ö SEG Built-inOsc. CrystalOsc. ¾ Ö
1 July22,2011 PATENTED HT1623 BlockDiagram O S C S O D i s p l a y R A M O S C I C C o i n t r o l C O M 0 7 a n d R D T C m i n u g W R i r c i t CeOr/M v L B C D D r i i a s C i r c S u E i G t 0 4 D A T A S E G 7 V D D V S S V L C D B Z W ua t c n h d B d y o g T I G i m Q en e