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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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HT67F488 датащи(PDF) 44 Page - Holtek Semiconductor Inc |
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HT67F488 датащи(HTML) 44 Page - Holtek Semiconductor Inc |
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44 / 171 page  Rev. 1.60 44 �ove��e� ��� �016 HT67F488/HT67F489 TinyPowerTM A/D Flash MCU with LCD & EEPROM Bit1 IDLEN:IDLEModecontrol 0:Disable 1:Enable ThisistheIDLEModeControlbitanddetermineswhathappenswhentheHALT instructionisexecuted.Ifthisbitishigh,whenaHALTinstructionisexecutedthe devicewillentertheIDLEMode.IntheIDLE1ModetheCPUwillstoprunning butthesystemclockwillcontinuetokeeptheperipheralfunctionsoperational,if FSYSONbitishigh.IfFSYSONbitislow,theCPUandthesystemclockwillallstop inIDLE0mode.IfthebitislowthedevicewillentertheSLEEPModewhenaHALT instructionisexecuted. Bit0 HLCLK:Systemclockselection 0:fH/2~fH/64orfSUB 1:fH ThisbitisusedtoselectifthefHclockorthefH/2~fH/64orfSUBclockisusedas thesystemclock.WhenthebitishighthefHclockwillbeselectedandiflowthe fH/2~fH/64orfSUBclockwillbeselected.WhensystemclockswitchesfromthefH clocktothefSUBclockandthefHclockwillbeautomaticallyswitchedofftoconserve power. CTRL Register Bit 7 6 5 4 3 2 1 0 �a�e FSYSO� — — — FSUBF LVRF LRF WRF R/W R/W — — — R/W R/W R/W R/W POR 0 — — — 0 x 0 0 “x” unknown Bit7 FSYSON:fSYSControlinIDLEMode 0:Disable 1:Enable Bit6~4 Unimplemented,readas“0” Bit3 FSUBF:FSUBCControlregistersoftwareresetflag 0:Notoccur 1:Occurred Thisbitissetto1iftheFSUB6~FSUB0bitsintheFSUBCregistercontainsany undefinedvalues.Thisbitcanonlybeclearedto0bytheapplicationprogram. 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 0:Notoccur 1:Occurred Thisbitissetto1bytheWDTControlregistersoftwareresetandclearedbythe applicationprogram.Notethatthisbitcanonlybeclearedto0bytheapplication program. |
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