HT45F12 datasheet(6/104 Pages) HOLTEK

6 / 104 page

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HT45F12

8-Bit Flash MCU with Op Amps & Comparators

HT45F12

8-Bit Flash MCU with Op Amps & Comparators

Features

CPU Features

• Operatingvoltage:

♦

fSYS=910kHz:2.2V~5.5V

♦

fSYS=2MHz:2.2V~5.5V

♦

fSYS=4MHz:2.2V~5.5V

♦

fSYS=8MHz:3.3V~5.5V

♦

fSYS=12MHz:4.5V~5.5V

• TinyPowertechnologyforlowpoweroperation

• Powerdownandwake-upfunctionstoreducepowerconsumption

• Oscillatortypes:

♦

ExternalCrystal–HXT

♦

ExternalRC–ERC

♦

InternalRC–HIRC

♦

Internal32kHzRC–LIRC

• Multi-modeoperation:NORMAL,SLOW,IDLEandSLEEP

• Fullyintegratedinternal32kHz,910kHz,2MHz,4MHzand8MHzoscillatorrequiresnoexternal

components

• Allinstructionsexecutedinoneortwoinstructioncycles

• Tablereadinstructions

• 63powerfulinstructions

• 4-levelsubroutinenesting

• Bitmanipulationinstruction

Peripheral Features

♦

FlashProgramMemory:1K×15

♦

RAMdatamemory:64×8

♦

EEPROMMemory:32×8

♦

WatchdogTimerfunction

♦

Upto18bidirectionalI/Olines

♦

Multiplepin-sharedexternalinterrupts

♦

Single8-bitprogrammableTimer/EventCounterwithoverflowinterrupt

♦

DualTime-Basefunctions

♦

DualComparatorfunctions

♦

DualOperationalAmplifiersfunctions

♦

PFD/Buzzerforaudiofrequencygeneration

♦

Internal2.4V/3.3VLDO

♦

Lowvoltageresetfunction

♦

Package:16-pinNSOP,20-pinSSOP

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