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HT45F56 Datasheet(PDF) 7 Page - Holtek Semiconductor Inc |
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HT45F56 Datasheet(HTML) 7 Page - Holtek Semiconductor Inc |
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7 / 90 page  Rev. 1.11 6 April 11, 2017 Rev. 1.11 7 April 11, 2017 HT45F56 Shock Detector Flash MCU HT45F56 Shock Detector Flash MCU Pin Descriptions Withtheexceptionofthepowerpinsandsomerelevanttransformercontrolpins,allpinsonthese devicescanbereferencedbytheirPortname,e.g.PA.0,PA.1etc,whichrefertothedigitalI/O functionofthepins.HoweverthesePortpinsarealsosharedwithotherfunctionsuchastheAnalog toDigitalConverter,TimerModulepinsetc.Thefunctionofeachpinislistedinthefollowingtable, howeverthedetailsbehindhoweachpinisconfigurediscontainedinothersectionsofthedatasheet. Pad Name Function OPT I/T O/T Description PA0/CTP/ICPDA PA0 PAWU PAPU PSEL ST CMOS General purpose I/O. Register enabled pull-up and wake-up. CTP PSEL — CMOS CTM output ICPDA — ST CMOS ICP Data/Address pin PA1/AD1 PA1 PAWU PAPU PSEL ST CMOS General purpose I/O. Register enabled pull-up and wake-up. AD1 PSEL AN — Threshold adjustment input PA2/CTCK/ICPCK PA2 PAWU PAPU PSEL ST CMOS General purpose I/O. Register enabled pull-up and wake-up. CTCK — ST — CTM clock input ICPCK — ST CMOS ICP Clock pin PA5/SEN PA5 PAWU PAPU PSEL ST CMOS General purpose I/O. Register enabled pull-up and wake-up. SEN PSEL AN — Shock sensor analog input PA6/AD2 PA6 PAWU PAPU PSEL ST CMOS General purpose I/O. Register enabled pull-up and wake-up. AD2 PSEL AN — Threshold adjustment input PA7/RES PA7 PAPU PSEL ST CMOS General purpose I/O. Register enabled pull-up and wake-up. RES RSTC ST — External reset input OCDSDA OCDSDA — ST CMOS OCDS Data/Address pin, for EV chip only. OCDSCK OCDSCK — ST — OCDS Clock pin, for EV chip only. VDD VDD — PWR — Positive power supply VSS VSS — PWR — Negative power supply, ground. Legend: I/T:Inputtype O/T:Outputtype OPT:Optionalbyconfigurationoption(CO)orregisteroption ST:SchmittTriggerinput CMOS:CMOSoutput AN:Analoginput PWR:Power |
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