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HT45R2K-C 数据表(PDF) 32 Page - Holtek Semiconductor Inc |
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HT45R2K-C 数据表(HTML) 32 Page - Holtek Semiconductor Inc |
32 / 105 page Rev. 1.40 3� �a��� 1�� �01� Rev. 1.40 33 �a��� 1�� �01� HT45R2K-C/-B/-A Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale HT45R2K-C/-B/-A Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale Co nt ro l Logi c WD T So ur ce Co nf ig ur at io n Op ti on CL R WD T1 F la g CL R WD T2 F la g 1/ 2 In st ru ct i ons f SY S /4 f LI RC WD T PW R LI RC OS C V OC HP V OR EG LI RC OS C En ab le f S1 15 -B it C oun te r WD T Di vi si on WS 2~ WS 0 CL R 2 8 /f S , 2 9 /f S , 2 10 /f S , 2 11 /f S , 2 12 /f S , 2 13 /f S , 2 14 /f S , 2 15 /f S b4~ b11 WD T EN /D IS WD T Ti me -o ut Da ta B us LX T OS C LX T OS C En ab le f LX T Watchdog Timer WDTC Register Bit 7 6 5 4 3 2 1 0 Name WS� WS1 WS0 — LIRCEN1 LIRCEN0 LIRCPWR1 LIRCPWR0 R/W R/W R/W R/W — R/W R/W R/W R/W POR 1 1 1 — s s 0 1 Bit7~5 WS2~WS0:WDTprescalerrateselect 000:28/fS 001:2 9/fS 010:2 10/fS 011:2 11/fS 100:2 12/fS 101:213/fS 110:2 14/fS 111:2 15/fS Bit4 unimplemented,readas"0" Bit3~2 LIRCEN1~ LIRCEN0:LIRCoscillatorenable/disablecontrolbits 00:LIRCoscillatorisenabled 01:LIRCoscillatorisdisabled 10:LIRCoscillatorisenabled 11:LIRCoscillatorisenabled Itisstronglyrecommendedtouse“10”forWDTOSCenable Bit1~0 LIRCPWR1~ LIRCPWR0:LIRCPowerSourceSelect 00:WDTpowercomesfromVOCHP 01:WDTpowercomesfromVOCHP 10:WDTpowercomesfromRegulator 11:WDTpowercomesfromVOCHP Itisstronglyrecommendedtouse“01”forVOCHPtopreventthenoisetoletthe WDTlosethepower TheWDTclock(fS)isfurtherdividedbyaninternalcountertogivelongerwatchdog time-outperiod.Inthisdevice,thedivisionratiocanbevariedbyselectingdifferent valuesofWS2~WS0bitstogive28/fSto215/fSdivisionratiorange. |
类似零件编号 - HT45R2K-C_15 |
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类似说明 - HT45R2K-C_15 |
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