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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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HT69F360 데이터시트(PDF) 166 Page - Holtek Semiconductor Inc |
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HT69F360 데이터시트(HTML) 166 Page - Holtek Semiconductor Inc |
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166 / 235 page  Rev. 1.30 1�� �ove��e� 1�� �01� Rev. 1.30 1�7 �ove��e� 1�� �01� HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM HT69F340/HT69F350/HT69F360 TinyPowerTM I/O Flash MCU with LCD & EEPROM Bit2 RXIF:ReceiveRXRdataregisterstatus 0:RXRdataregisterisempty 1:RXRdataregisterhasavailabledata TheRXIFflagisthereceivedataregisterstatusflag.Whenthisreadonlyflagis“0”, itindicatesthattheRXRreaddataregisterisempty.Whentheflagis“1”,itindicates thattheRXRreaddataregistercontainsnewdata.Whenthecontentsoftheshift registeraretransferredtotheRXRregister,aninterruptisgeneratedifRIE=1inthe UCR2register.Ifoneormoreerrorsaredetectedinthereceivedword,theappropriate receive-relatedflagsNF,FERR,and/orPERRaresetwithinthesameclockcycle.The RXIFflagisclearedwhentheUSRregisterisreadwithRXIFset,followedbyaread fromtheRXRregister,andiftheRXRregisterhasnodataavailable. Bit1 TIDLE:Transmissionidle 0:Datatransmissionisinprogress(databeingtransmitted) 1:Nodatatransmissionisinprogress(transmitterisidle) TheTIDLEflagisknownasthetransmissioncompleteflag.Whenthisreadonly flagis“0”,itindicatesthatatransmissionisinprogress.Thisflagwillbesetto“1” whentheTXIFflagis“1”andwhenthereisnotransmitdataorbreakcharacterbeing transmitted.WhenTIDLEisequalto“1”,theTXpinbecomesidlewiththepinstate inlogichighcondition.TheTIDLEflagisclearedbyreadingtheUSRregisterwith TIDLEsetandthenwritingtotheTXRregister.Theflagisnotgeneratedwhenadata characterorabreakisqueuedandreadytobesent. Bit0 TXIF:TransmitTXRdataregisterstatus 0:Characterisnottransferredtothetransmitshiftregister 1:Characterhastransferredtothetransmitshiftregister(TXRdataregisterisempty) TheTXIFflagisthetransmitdataregisteremptyflag.Whenthisreadonlyflagis“0”, itindicatesthatthecharacterisnottransferredtothetransmittershiftregister.When theflagis“1”,itindicatesthatthetransmittershiftregisterhasreceivedacharacter fromtheTXRdataregister.TheTXIFflagisclearedbyreadingtheUARTstatus register(USR)withTXIFsetandthenwritingtotheTXRdataregister.Notethat whentheTXENbitisset,theTXIFflagbitwillalsobesetsincethetransmitdata registerisnotyetfull. |
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