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HT66F302 датащи(PDF) 9 Page - Holtek Semiconductor Inc |
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HT66F302 датащи(HTML) 9 Page - Holtek Semiconductor Inc |
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9 / 129 page ![]() Rev. 1.11 8 April 11, 2017 Rev. 1.11 9 April 11, 2017 HT66F302/HT66F303 Cost-Effective Flash MCU with EEPROM HT66F302/HT66F303 Cost-Effective Flash MCU with EEPROM Pin Description Withtheexceptionofthepowerpinsandsomerelevanttransformercontrolpins,allpinsonthe devicecanbereferencedbytheirPortname,e.g.PA0,PA1etc,whichrefertothedigitalI/O functionofthepins.HoweverthesePortpinsarealsosharedwithotherfunctionsuchastheAnalog toDigitalConverter,TimerModulepinsetc.Thefunctionofeachpinislistedinthefollowingtable, howeverthedetailsbehindhoweachpinisconfigurediscontainedinothersectionsofthedatasheet. HT66F302 Pin Name Function OPT I/T O/T Description PA0/[STPI]/ AN0/ICPDA PA0 PAWU PAPU PASR ST CMOS General purpose I/O. Register enabled pull-high and wake-up. STPI PASR IFS0 ST — STM input AN0 PASR AN — ADC input channel 0 ICPDA — ST CMOS ICP Address/Data PA1/AN1/VREFI PA1 PAWU PAPU PASR ST CMOS General purpose I/O. Register enabled pull-high and wake-up. AN1 PASR AN — ADC input channel 1 VREFI PASR AN — ADC VREF Input PA2/[INT]/[STCK]/ AN2/ICPCK PA2 PAWU PAPU PASR ST CMOS General purpose I/O. Register enabled pull-high and wake-up INT PASR IFS0 ST — External interrupt input STCK IFS0 ST — STM clock input AN2 PASR AN — ADC input channel 2 ICPCK — ST — ICP Clock pin PA3/INT/STCK/AN3 PA3 PAWU PAPU PASR ST CMOS General purpose I/O. Register enabled pull-high and wake-up. INT PASR IFS0 ST — External interrupt input STCK IFS0 ST — STM clock input AN3 PASR AN — ADC input channel 3 PA4/[INT]/PTCK/STP PA4 PAWU PAPU PASR ST CMOS General purpose I/O. Register enabled pull-high and wake-up. INT PASR IFS0 ST — External interrupt input PTCK PASR IFS0 ST — PTM clock input STP PASR — CMOS STM output PA5/[INT]/PTPI PA5 PAWU PAPU ST CMOS General purpose I/O. Register enabled pull-high and wake-up. INT IFS0 ST — External interrupt input PTPI IFS0 ST — PTM input |
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