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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) 57 Page - Holtek Semiconductor Inc |
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HT68F005 датащи(HTML) 57 Page - Holtek Semiconductor Inc |
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57 / 93 page  Rev. 1.00 56 ��to�e� ��� �01� Rev. 1.00 57 ��to�e� ��� �01� HT68F005/HT68F006 Enhanced I/O Flash Type MCU HT68F005/HT68F006 Enhanced I/O Flash Type MCU Compact TM Operation Atitscoreisa10-bitcount-upcounterwhichisdrivenbyauserselectableinternalorexternalclock source.Therearealsotwointernalcomparatorswiththenames,ComparatorAandComparator P.ThesecomparatorswillcomparethevalueinthecounterwithCCRPandCCRAregisters.The CCRPis3-bitwidewhosevalueiscomparedwiththehighestthreebitsinthecounterwhilethe CCRAis10-bitwideandthereforecompareswithallcounterbits. Theonlywayofchangingthevalueofthe10-bitcounterusingtheapplicationprogram,isto clearthecounterbychangingtheTnONbitfromlowtohigh.Thecounterwillalsobecleared automaticallybyacounteroverfloworacomparematchwithoneofitsassociatedcomparators. Whentheseconditionsoccur,aTMinterruptsignalwillalsousuallybegenerated.TheCompact TypeTMcanoperateinanumberofdifferentoperationalmodes,canbedrivenbydifferentclock sourcesincludinganinputpinandcanalsocontrolanoutputpin.Alloperatingsetupconditionsare selectedusingrelevantinternalregisters. Compact Type TM Register Description OveralloperationoftheCompactTMiscontrolledusingseveralregisters.Areadonlyregister pairexiststostoretheinternalcounter10-bitvalue,whilearead/writeregisterpairexiststostore theinternal10-bitCCRAvalue.Theremainingtworegistersarecontrolregisterswhichsetupthe differentoperatingandcontrolmodesaswellasthethreeCCRPbits. Name Bit7 Bit6 Bit5 Bit4 Bit3 Bit2 Bit1 Bit0 TMPC — — — — T1CP1 T1CP0 T0CP1 T0CP0 TMnC0 TnPAU TnCK� TnCK1 TnCK0 Tn�N TnRP� TnRP1 TnRP0 TMnC1 TnM1 TnM0 TnI�1 TnI�0 Tn�C TnP�L TnDPX TnCCLR TMnDL D7 D6 D5 D4 D3 D� D1 D0 TMnDH — — — — — — D9 D8 TMnAL D7 D6 D5 D4 D3 D� D1 D0 TMnAH — — — — — — D9 D8 Compact TM Register List (n=0 or 1) TMnDL Register Bit 7 6 5 4 3 2 1 0 Name D7 D6 D5 D4 D3 D� D1 D0 R/W R R R R R R R R P�R 0 0 0 0 0 0 0 0 Bit7~0 TMnDL:TMnCounterLowByteRegisterbit7~bit0 TMn10-bitCounterbit7~bit0 TMnDH Register Bit 7 6 5 4 3 2 1 0 Name — — — — — — D9 D8 R/W — — — — — — R R P�R — — — — — — 0 0 Bit7~2 Unimplemented,readas"0" Bit1~0 TMnDH:TMnCounterHighByteRegisterbit1~bit0 TMn10-bitCounterbit9~bit8 |
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