 |
поискавой системы для электроныых деталей |
|
|
поискавой системы для электроныых деталей |
|
HT67F488 датащи(PDF) 93 Page - Holtek Semiconductor Inc |
|
|
|||||||||||||||||||||||||||||
HT67F488 датащи(HTML) 93 Page - Holtek Semiconductor Inc |
|
|
93 / 171 page  Rev. 1.60 93 �ove��e� ��� �016 HT67F488/HT67F489 TinyPowerTM A/D Flash MCU with LCD & EEPROM Register Name Bit 7 6 5 4 3 2 1 0 ADRL(ADRFS=0) D3 D� D1 D0 — — — — ADRL(ADRFS=1) D7 D6 D5 D4 D3 D� D1 D0 ADRH(ADRFS=0) D11 D10 D9 D8 D7 D6 D5 D4 ADRH(ADRFS=1) — — — — D11 D10 D9 D8 ADCR0 START EOCB ADOFF ADRFS ACS3 ACS� ACS1 ACS0 ADCR1 ACS4 VBGE� — VREFS — ADCK� ADCK1 ADCK0 ACERL ACE7 ACE6 ACE5 ACE4 ACE3 ACE� ACE1 ACE0 ACERH — — — — — — ACE9 ACE8 A/D Converter Register List A/D Converter Data Registers – ADRL, ADRH Thedevices,whichhaveaninternal12-bitA/Dconverter,requiretwodataregisters,ahighbyte register,knownasADRH,andalowbyteregister,knownasADRL.Aftertheconversionprocess takesplace,theseregisterscanbedirectlyreadbythemicrocontrollertoobtainthedigitised conversionvalue.Asonly12bitsofthe16-bitregisterspaceisutilised,theformatinwhichthedata isstorediscontrolledbytheADRFSbitintheADCR0registerasshownintheaccompanyingtable. D0~D11aretheA/Dconversionresultdatabits.Anyunusedbitswillbereadaszero. ADRFS ADRH ADRL 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D� D1 D0 0 0 0 0 1 0 0 0 0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D� D1 D0 A/D Data Registers A/D Converter Control Registers – ADCR0, ADCR1, ACERL, ACERH TocontrolthefunctionandoperationoftheA/Dconverter,fourcontrolregistersknownas ADCR0,ADCR1,ACERLandACERHareprovided.These8-bitregistersdefinefunctionssuch astheselectionofwhichanalogchannelisconnectedtotheinternalA/Dconverter,thedigitised dataformat,theA/DclocksourceaswellascontrollingthestartfunctionandmonitoringtheA/D converterendofconversionstatus.TheACS3~ACS0bitsintheADCR0registerandtheACS4bit intheADCR1registerdefinetheADCinputchannelnumber.Asthedevicecontainsonlyoneactual analogtodigitalconverterhardwarecircuit,eachoftheindividual8analoginputsmustberoutedto theconverter.ItisthefunctionoftheACS4~ACS0bitstodeterminewhichanalogchannelinputpin orinternalVBGisactuallyconnectedtotheinternalA/Dconverter. TheACERHandACERLcontrolregisterscontaintheACE9~ACE0bitswhichdeterminewhich pinsonPBandPEPortsareusedasanaloginputsfortheA/Dconverterinputandwhichpinsare nottobeusedastheA/Dconverterinput.SettingthecorrespondingbithighwillselecttheA/D inputfunction,clearingthebittozerowillselecteithertheI/Oorotherpin-sharedfunction.When thepinisselectedtobeanA/Dinput,itsoriginalfunctionwhetheritisanI/Oorotherpin-shared functionwillberemoved.Inaddition,anyinternalpull-highresistorsconnectedtothesepinswillbe automaticallyremovedifthepinisselectedtobeanA/Dinput. |
|
ссылки URL |
| Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | Ссылка на техническое описание | обмен ссыками | поиск по производителю 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 |
Russian ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
