поискавой системы для электроныых деталей |
|
HT45R4U датащи(PDF) 21 Page - Holtek Semiconductor Inc |
|
HT45R4U датащи(HTML) 21 Page - Holtek Semiconductor Inc |
21 / 105 page Rev. 1.10 �0 �a��� 1�� �01� Rev. 1.10 �1 �a��� 1�� �01� HT45R4U TinyPowerTM A/D Type e-Banking ASSP OTP MCU with LCD Data Memory TheDataMemoryisavolatileareaof8-bitwideRAMinternalmemoryandisthelocationwhere temporaryinformationisstored.Dividedintothreesections,thefirstoftheseisanareaofRAM wherespecialfunctionregistersarelocated.Theseregistershavefixedlocationsandarenecessary forcorrectoperationofthedevice.Manyoftheseregisterscanbereadfromandwrittentodirectly underprogramcontrol,however,someremainprotectedfromusermanipulation.Thesecondareaof DataMemoryisreservedforgeneralpurposeuse.Alllocationswithinthisareaarereadandwrite accessibleunderprogramcontrol.ThethirdareaisreservedfortheLCDMemory.Thisspecial areaofDataMemoryismappeddirectlytotheLCDdisplaysodatawrittenintothismemoryarea willdirectlyaffectthedisplayeddata.TheaddressesoftheLCDMemoryareaoverlapthosein theGeneralPurposeDataMemoryarea.SwitchingbetweenthedifferentDataMemorybanksis achievedbysettingtheBankPointertothecorrectvalue. Structure TheDataMemoryissubdividedintoseveralbanks,allofwhichareimplementedin8-bitwide RAM.TheDataMemorylocatedinBank0issubdividedintotwosections,theSpecialPurpose DataMemoryandtheGeneralPurposeDataMemory. ThestartaddressoftheDataMemoryforalldevicesistheaddress″00H″.Registerswhichare commontoallmicrocontroller,suchasACC,PCL,etc.,havethesameDataMemoryaddress.The LCDMemoryismappedintoBank1.Banks2to6containonlyGeneralPurposeDataMemoryfor thosedeviceswithlargerDataMemorycapacities.AstheSpecialPurposeDataMemoryregisters aremappedintoallbankareas,theycansubsequentlybeaccessedfromanybanklocation. Ge ne ra l Pu r pos e Da ta M em or y S pec ia l Pu rp os e Da ta M em or y 00H 40H FF H 3F H Ba nk 0 Ba nk 2 Ba nk 1 LC D Me mo ry Ba nk 3 Ba nk 6 Data Memory Structure Data Memory Capacity Banks Spe�ial Pu�pose 64×8 Common to Bank 0 ~ 6: 00H ~ 3FH Gene�al Pu�pose 11��×8 0: 40H ~ FFH 1: 40H ~ �FH (fo� LCD only) �: 40H ~ FFH : : 6: 40H ~ FFH Data Memory Content |
Аналогичный номер детали - HT45R4U |
|
Аналогичное описание - HT45R4U |
|
|
ссылки URL |
Конфиденциальность |
ALLDATASHEETRU.COM |
Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | 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 |