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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT68F005 датащи(PDF) 45 Page - Holtek Semiconductor Inc |
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HT68F005 датащи(HTML) 45 Page - Holtek Semiconductor Inc |
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45 / 93 page  Rev. 1.00 44 ��to�e� ��� �01� Rev. 1.00 45 ��to�e� ��� �01� HT68F005/HT68F006 Enhanced I/O Flash Type MCU HT68F005/HT68F006 Enhanced I/O Flash Type MCU LVRC Register Bit 7 6 5 4 3 2 1 0 Name LVS7 LVS6 LVS5 LVS4 LVS3 LVS� LVS1 LVS0 R/W R/W R/W R/W R/W R/W R/W R/W R/W P�R 0 1 0 1 0 1 0 1 Bit7~0 LVS7~LVS0:LVRVoltageSelectcontrol 01010101:2.1V 00110011:2.55V 10011001:3.15V 10101010:3.8V Anyothervalue:GeneratesMCUreset–registerisresettoPORvalue Whenanactuallowvoltageconditionoccurs,asspecifiedbyoneofthefourdefined LVRvoltagevaluesabove,anMCUresetwillbegenerated.Theresetoperationwill beactivatedafter2~3LIRCclockcycles.Inthissituationtheregistercontentswill remainthesameaftersucharesetoccurs. Anyregistervalue,otherthanthefourdefinedLVRvaluesabove,willalsoresultin thegenerationofanMCUreset.Theresetoperationwillbeactivatedafter2~3LIRC clockcycles.HoweverinthissituationtheregistercontentswillberesettothePOR value. CTRL Register Bit 7 6 5 4 3 2 1 0 Name FSYS�N — — — — LVRF LRF WRF R/W R/W R/W R/W R/W R/W R/W R/W R/W P�R 0 0 0 0 0 x 0 0 Bit7 FSYSON:fSYSControlinIDLEMode Describeelsewhere. Bit6~3 Unimplemented,readas0 Bit2 LVRF:LVRfunctionresetflag 0:Notoccur 1:Occurred Thisbitissetto1whenaspecificLowVoltageResetsituationconditionoccurs.This bitcanonlybeclearedto0bytheapplicationprogram. Bit1 LRF:LVRControlregistersoftwareresetflag 0:Notoccur 1:Occurred Thisbitissetto1iftheLVRCregistercontainsanynondefinedLVRvoltageregister values.Thisineffectactslikeasoftwareresetfunction.Thisbitcanonlybeclearedto 0bytheapplicationprogram. Bit0 WRF:WDTControlregistersoftwareresetflag Describeelsewhere. |
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