HT67F488 datasheet(6/171 Pages) HOLTEK

6 / 171 page

Rev. 1.60

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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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