 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
HT66F019 Datasheet(PDF) 133 Page - Holtek Semiconductor Inc |
|
|
|||||||||||||||||||||||||||||
HT66F019 Datasheet(HTML) 133 Page - Holtek Semiconductor Inc |
|
|
133 / 175 page  Rev. 1.00 13� De�e��e� 01� �01� Rev. 1.00 133 De�e��e� 01� �01� HT66F019 A/D Flash MCU with EEPROM HT66F019 A/D Flash MCU with EEPROM • TXR_RXR Register TheTXR_RXRregisteristhedataregisterwhichisusedtostorethedatatobetransmittedonthe TXpinorbeingreceivedfromtheRXpin. Bit 7 6 5 4 3 2 1 0 Na�e TXRX� TXRX6 TXRX5 TXRX4 TXRX3 TXRX� TXRX1 TXRX0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR x x x x x x x x "x": unknown Bit7~0 TXRX7~TXRX0:UARTTransmit/ReceiveDatabit7~bit0 • USR Register TheUSRregisteristhestatusregisterfortheUART,whichcanbereadbytheprogramtodetermine thepresentstatusoftheUART.AllflagswithintheUSRregisterarereadonly.Furtherexplanation oneachoftheflagsisgivenbelow: Bit 7 6 5 4 3 2 1 0 Na�e PERR NF FERR OERR RIDLE RXIF TIDLE TXIF R/W R R R R R R R R POR 0 0 0 0 1 0 1 1 Bit7 PERR:Parityerrorflag 0:Noparityerrorisdetected 1:Parityerrorisdetected ThePERRflagistheparityerrorflag.Whenthisreadonlyflagis"0",itindicatesa parityerrorhasnotbeendetected.Whentheflagis"1",itindicatesthattheparityofthe receivedwordisincorrect.ThiserrorflagisapplicableonlyifParitymode(oddoreven) isselected.Theflagcanalsobeclearedto0byasoftwaresequencewhichinvolvesa readtothestatusregisterUSRfollowedbyanaccesstotheTXR_RXRdataregister. Bit6 NF:Noiseflag 0:Nonoiseisdetected 1:Noiseisdetected TheNFflagisthenoiseflag.Whenthisreadonlyflagis"0",itindicatesnonoise condition.Whentheflagis"1",itindicatesthattheUARThasdetectednoiseonthe receiverinput.TheNFflagissetduringthesamecycleastheRXIFflagbutwill notbesetinthecaseofasoverrun.TheNFflagcanbeclearedto0byasoftware sequencewhichwillinvolveareadtothestatusregisterUSRfollowedbyanaccessto theTXR_RXRdataregister. Bit5 FERR:Framingerrorflag 0:Noframingerrorisdetected 1:Framingerrorisdetected TheFERRflagistheframingerrorflag.Whenthisreadonlyflagis"0",itindicates thatthereisnoframingerror.Whentheflagis"1",itindicatesthataframingerrorhas beendetectedforthecurrentcharacter.Theflagcanalsobeclearedto0byasoftware sequencewhichwillinvolveareadtothestatusregisterUSRfollowedbyanaccessto theTXR_RXRdataregister. Bit4 OERR:Overrunerrorflag 0:Nooverrunerrorisdetected 1:Overrunerrorisdetected TheOERRflagistheoverrunerrorflagwhichindicateswhenthereceiverbufferhas overflowed.Whenthisreadonlyflagis"0",itindicatesthatthereisnooverrunerror. Whentheflagis"1",itindicatesthatanoverrunerroroccurswhichwillinhibitfurther transferstotheTXR_RXRreceivedataregister.Theflagisclearedto0byasoftware sequence,whichisareadtothestatusregisterUSRfollowedbyanaccesstothe TXR_RXRdataregister. |
|
Link URL |
| Does ALLDATASHEET help your business so far? [ DONATE ] |
About Alldatasheet | Advertisement | Contact us | Privacy Policy | Link to Datasheet | Link Exchange | Manufacturer List All Rights Reserved©Alldatasheet.com |
| Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
|
Family Site : ic2ic.com |
icmetro.com |
English ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
