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HT45F5Q-2 Datasheet(PDF) 67 Page - Holtek Semiconductor Inc |
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HT45F5Q-2 Datasheet(HTML) 67 Page - Holtek Semiconductor Inc |
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67 / 117 page  Rev. 1.00 �� ���� 0�� �01� Rev. 1.00 �� ���� 0�� �01� HT45F5Q-2 Charger Flash MCU HT45F5Q-2 Charger Flash MCU • SADC0 Register Bit 7 6 5 4 3 2 1 0 Name START ADBZ ADCEN ADRFS SACS3 SACS� SACS1 SACS0 R/W R/W R R/W R/W R/W R/W R/W R/W POR 0 0 0 0 0 0 0 0 Bit7 START:StarttheA/Dconversion 0→1→0:StartA/Dconversion ThisbitisusedtoinitiateanA/Dconversionprocess.Thebitisnormallylowbutifset highandthenclearedlowagain,theA/Dconverterwillinitiateaconversionprocess. Bit6 ADBZ:A/Dconverterbusyflag 0:A/Dconversionendedornoconversion 1:A/Disbusy ThisreadonlyflagisusedtoindicatewhethertheA/Dconversionisinprogressor not.WhentheSTARTbitissetfromlowtohighandthentolowagain,theADBZflag willbesetto1toindicatethattheA/Dconversionisinitiated.TheADBZflagwillbe clearedas0aftertheA/Dconversioniscomplete. Bit5 ADCEN:A/Dconverterenable/disablecontrol 0:Disable 1:Enable ThisbitcontrolstheA/Dinternalfunction.ThisbitshouldbesettoonetoenabletheA/D converter.Ifthebitissetlow,thentheA/Dconverterwillbeswitchedoffreducingthe devicepowerconsumption.WhentheA/Dconverterfunctionisdisabled,thecontents oftheA/DdataregisterpairknownasSADOHandSADOLwillbeunchanged. Bit4 ADRFS:A/Doutputdataformatselectionbit 0:ADCoutputdataformat→SADOH=D[11:4];SADOL=D[3:0] 1:ADCoutputdataformat→SADOH=D[11:8];SADOL=D[7:0] Thisbitcontrolstheformatofthe12-bitconvertedA/DvalueinthetwoA/Ddata registers.DetailsareprovidedintheA/Dconverterdataregistersection. Bit3~0 SACS3~SACS0:A/Dconverterexternalanaloginputchannelselection 0000:AN0 0001:AN1 0010:AN2 0011:AN3 0100:AN4 0101:AN5 0110~1111:Non-existedchannel,theinputwillbefloatingifselected |
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