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HT67F488 Datasheet(PDF) 6 Page - Holtek Semiconductor Inc |
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HT67F488 Datasheet(HTML) 6 Page - Holtek Semiconductor Inc |
6 / 171 page Rev. 1.60 6 �ove��e� ��� �016 HT67F488/HT67F489 TinyPowerTM A/D Flash MCU with LCD & EEPROM Features CPU Features • OperatingVoltage ♦ fSYS=4MHz:2.2V~5.5V ♦ fSYS=8MHz:2.2V~5.5V ♦ fSYS=12MHz:2.7V~5.5V ♦ fSYS=16MHz:4.5V~5.5V • Powerdownandwake-upfunctionstoreducepowerconsumption • Oscillators ♦ InternalRC–HIRC ♦ ExternalCrystal-HXT ♦ Internal32kHzRC–LIRC ♦ External32.768kHzCrystal–LXT • Fullyintegratedinternal8MHzoscillatorrequiresnoexternalcomponents • Multi-modeoperation:NORMAL,SLOW,IDLEandSLEEP • Allinstructionsexecutedin1~3instructioncycles • Bitmanipulationinstruction • 16-bitTableReadFunction • 115powerfulinstructions • SupportdualwordsinstructionsforRAMaccess • 8-levelsubroutinenesting Peripheral Features • FlashProgramMemory:4K×16~8K×16 • RAMDataMemory:256×8 • TrueEEPROMMemory:64×8(onlyforHT67F489) • WatchdogTimerfunction • 42bidirectionalI/Olines ♦ InlcudeLCD/LEDdrivingoutput • 4pin-sharedexternalinterrupts • MultipleTimerModulesfortimemeasure,inputcapture,comparematchoutput,PWMoutputor singlepulseoutputfunctions • DualTime-Basefunctionsforgenerationoffixedtimeinterruptsignals • 10-channel12-bitresolutionA/Dconverter • LCDdisplay ♦ 20SEG×4COM&20SEG×8COM ♦ 1/3or1/4bias • LEDdisplay:8SEG×8COM • Fully-duplexUniversalAsynchronousReceiverandTransmitterInterface--UART • LowVoltageResetfunction • LowVoltageDetectfunction • Packagetype:44-pinLQFP |
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