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HT45R4U Datasheet(PDF) 7 Page - Holtek Semiconductor Inc |
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HT45R4U Datasheet(HTML) 7 Page - Holtek Semiconductor Inc |
7 / 105 page Rev. 1.10 6 �a��� 1�� �01� Rev. 1.10 7 �a��� 1�� �01� HT45R4U TinyPowerTM A/D Type e-Banking ASSP OTP MCU with LCD General Description TheTinyPowerTMA/DTypewithLCD8-bithighperformanceRISCarchitecturemicrocontrolleris specifically,designedforapplicationsthatinterfacedirectlytoanalogsignalsandwhichrequireanLCD interface.Thedeviceincludesanintegratedmulti-channelAnalogtoDigitalConverterandanLCD driver. ThebenefitsofintegratedA/DandLCDfunctions,inadditiontolowpowerconsumption,high performance,I/Oflexibilityandlow-cost,providesthedevicewiththeversatilityforawiderange ofproductsinthehomeapplianceandindustrialapplicationareas.Someoftheseproductscould includeelectronicmetering,environmentalmonitoring,handheldinstruments,electronically controlledtools,motordrivinginadditiontomanyothers. TheuniqueHoltekTinyPowertechnologyalsogivesthedeviceextremelylowcurrentconsumption characteristics,anextremelyimportantconsiderationinthepresenttrendforlowpowerbattery poweredapplications.TheusualHoltekMCUfeaturessuchaspowerdownandwake-upfunctions, oscillatoroptions,programmablefrequencydivider,etc.combinetoensureuserapplicationsrequire aminimumofexternalcomponents. Block Diagram OT P Pr ogr a mmi ng Ci rc ui tr y Wa tc hdog Ti me r 8- bi t RI SC MC U Co re Re se t Ci rc ui t In te rr upt C ont ro lle r Ex te rn al Cr yst al O sc illa to r A/ D C onv er te r Pr ogr am m abl e Fr equen cy G ene ra to r Ex te rn al R TC O sc illa to r In te r nal R C O sc ill at or I/O Po rt s RA M Da ta Me mo ry OT P Pr ogr am Me mo ry St ac k LC D Dr iv er Ti me rs Low Vo lt age Re se t Low Vo lt age De te ct Ti me Ba se s |
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