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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT45F4MA датащи(PDF) 95 Page - Holtek Semiconductor Inc |
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HT45F4MA датащи(HTML) 95 Page - Holtek Semiconductor Inc |
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95 / 145 page  Rev. 1.20 9� De�e��e� 1�� 201� Rev. 1.20 95 De�e��e� 1�� 201� HT45F4MA/HT45FH4MA/HT45FH4MA-1 Power Bank Flash MCU HT45F4MA/HT45FH4MA/HT45FH4MA-1 Power Bank Flash MCU ADCR0 Register Bit 7 6 5 4 3 2 1 0 Na�e START EOCB ADOFF ADRFS ACS3 ACS2 ACS1 ACS0 R/W R/W R R/W R/W R/W R/W R/W R/W POR 0 1 1 0 0 0 0 0 Bit7 START:StarttheA/Dconversion 0→1→0:start 0→1:resettheA/DconverterandsetEOCBto“1” ThisbitisusedtoinitiateanA/Dconversionprocess.Thebitisnormallylowbutifset highandthenclearedlowagain,theA/Dconverterwillinitiateaconversionprocess. WhenthebitissethightheA/Dconverterwillbereset. Bit6 EOCB:EndofA/Dconversionflag 0:A/Dconversionended 1:A/Dconversioninprogress ThisreadonlyflagisusedtoindicatewhenanA/Dconversionprocesshascompleted. Whentheconversionprocessisrunningthebitwillbehigh. Bit5 ADOFF:ADCmodulepoweron/offcontrolbit 0:ADCmodulepoweron 1:ADCmodulepoweroff ThisbitcontrolsthepowertotheA/Dinternalfunction.Thisbitshouldbecleared tozerotoenabletheA/Dconverter.IfthebitissethighthentheA/Dconverterwill beswitchedoffreducingthedevicepowerconsumption.AstheA/Dconverterwill consumealimitedamountofpower,evenwhennotexecutingaconversion,thismay beanimportantconsiderationinpowersensitivebatterypoweredapplications. Note:1.ItisrecommendedtosetADOFF=1beforeenteringIDLE/SLEEPModefor savingpower. 2.ADOFF=1willpowerdowntheADCmodule. Bit4 ADRFS:ADCDataFormatControl 0:ADCDataMSBisADRHbit7,LSBisADRLbit4 1:ADCDataMSBisADRHbit3,LSBisADRLbit0 Thisbitcontrolstheformatofthe12-bitconvertedA/DvalueinthetwoA/Ddata registers.DetailsareprovidedintheA/Ddataregistersection. Bit3~0 ACS3 ~ ACS0:SelectA/Dchannel(whenACS4is“0”) 0000:AN0 0001:AN1 0010:AN2 0011:AN3 0100:AN4 0101:AN5 0110:AN6 0111:AN7 1xxx:AN8(fromOPAoutputforOCP) ThesearetheA/Dchannelselectcontrolbits.AsthereisonlyoneinternalhardwareA/ DconvertereachoftheeightA/Dinputsmustberoutedtotheinternalconverterusing thesebits.IfbitACS4intheADCR1registerissethighthentheinternal1.25Vwillbe routedtotheA/DConverter. |
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