 |
Electronic Components Datasheet Search |
|
|
Electronic Components Datasheet Search |
|
HT45F5Q Datasheet(PDF) 21 Page - Holtek Semiconductor Inc |
|
|
|||||||||||||||||||||||||||||
HT45F5Q Datasheet(HTML) 21 Page - Holtek Semiconductor Inc |
|
|
21 / 114 page  Rev. 1.10 �0 De�e��e� 1�� �01� Rev. 1.10 �1 De�e��e� 1�� �01� HT45F5Q Charger Flash MCU HT45F5Q Charger Flash MCU In Circuit Programming TheprovisionofFlashtypeProgramMemoryprovidestheuserwithameansofconvenientandeasy upgradesandmodificationstotheirprogramsonthesamedevice.Asanadditionalconvenience, Holtekhasprovidedameansofprogrammingthemicrocontrollerin-circuitusinga4-pininterface. Thisprovidesmanufacturerswiththepossibilityofmanufacturingtheircircuitboardscompletewith aprogrammedorun-programmedmicrocontroller,andthenprogrammingorupgradingtheprogram atalaterstage.Thisenablesproductmanufacturerstoeasilykeeptheirmanufacturedproducts suppliedwiththelatestprogramreleaseswithoutremovalandre-insertionofthedevice. Holtek Writer Pins MCU Programming Pins Pin Description ICPDA PA0 Se�ial Data/Add�ess input/output ICPCK PA� Se�ial Clo�k VDD VDD Powe� Supply VSS VSS G�ound TheProgramMemoryandEEPROMdatamemorycanbothbeprogrammedseriallyin-circuitusing this4-wireinterface.Dataisdownloadedanduploadedseriallyonasinglepinwithanadditional linefortheclock.Twoadditionallinesarerequiredforthepowersupplyandground.Thetechnical detailsregardingthein-circuitprogrammingofthedevicearebeyondthescopeofthisdocument andwillbesuppliedinsupplementaryliterature. * * Wr it er _V DD IC PD A IC PC K Wr it er _ VSS To o th er C ir cu it PA 0 PA 2 VSS VD D Wr it er C onne ct or Si gnal s MC U Pr og ra mm in g Pi ns Note:*mayberesistororcapacitor.Theresistanceof*mustbegreaterthan1korthecapacitance of*mustbelessthan1nF. |
|
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 |
British ▼
English
Chinese
German
Japanese
Russian
Korean
Spanish
French
Italian
Portuguese
Polish
Vietnamese
Indian
Mexican
British
New Zealand
