 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
HT45F5Q Datasheet(PDF) 52 Page - Holtek Semiconductor Inc |
|
|
|||||||||||||||||||||||||||||
HT45F5Q Datasheet(HTML) 52 Page - Holtek Semiconductor Inc |
|
|
52 / 114 page  Rev. 1.10 5� De�e��e� 1�� �01� Rev. 1.10 5� De�e��e� 1�� �01� HT45F5Q Charger Flash MCU HT45F5Q Charger Flash MCU Input/Output Ports HoltekmicrocontrollersofferconsiderableflexibilityontheirI/Oports.Withtheinputoroutput designationofeverypinfullyunderuserprogramcontrol,pull-highselectionsforallportsand wake-upselectionsoncertainpins,theuserisprovidedwithanI/Ostructuretomeettheneedsofa widerangeofapplicationpossibilities. Thedeviceprovidebidirectionalinput/outputlineslabeledwithportnamePA.TheseI/Oports aremappedtotheRAMDataMemorywithspecificaddressesasshownintheSpecialPurpose DataMemorytable.AlloftheseI/Oportscanbeusedforinputandoutputoperations.Forinput operation,theseportsarenon-latching,whichmeanstheinputsmustbereadyattheT2risingedge ofinstruction“MOVA,[m]”,wheremdenotestheportaddress.Foroutputoperation,allthedatais latchedandremainsunchangeduntiltheoutputlatchisrewritten. I/O Control Register List Register Name Bit 7 6 5 4 3 2 1 0 PA PA7 PA� PA5 PA4 PA� PA� PA1 PA0 PAC PAC7 PAC� PAC5 PAC4 PAC� PAC� PAC1 PAC0 PAPU PAPU7 PAPU� PAPU5 PAPU4 PAPU� PAPU� PAPU1 PAPU0 PAWU PAWU7 PAWU� PAWU5 PAWU4 PAWU� PAWU� PAWU1 PAWU0 PASR PAS7 PAS� PAS5 PAS4 PAS� PAS� PAS1 PAS0 IFS0 — — — — — — INTPS1 INTPS0 Pull-high Resistors Manyproductapplicationsrequirepull-highresistorsfortheirswitchinputsusuallyrequiringthe useofanexternalresistor.Toeliminatetheneedfortheseexternalresistors,allI/Opins,when configuredasaninputhavethecapabilityofbeingconnectedtoaninternalpull-highresistor. Thesepull-highresistorsareselectedusingregisterPAPU,andareimplementedusingweakPMOS transistors. NotethatonlywhentheI/OportsareconfiguredasdigitalintputorNMOSoutput,theinternal pull-highfunctionscanbeenabledusingthePAPUregister.Inotherconditions,internalpull-high functionsaredisabled. PAPU Register Bit 7 6 5 4 3 2 1 0 Na�e PAPU7 PAPU� PAPU5 PAPU4 PAPU� PAPU� PAPU1 PAPU0 R/W R/W R/W R/W R/W R/W R/W R/W R/W POR 0 0 0 0 0 0 0 0 Bit7~0 I/OPortAbit7~bit0Pull-HighControl 0:Disable 1:Enable |
|
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
