Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

Preview PDF HTML

HT45F56 Datasheet(PDF) 17 Page - Holtek Semiconductor Inc

Part # HT45F56
Description  Shock Detector Flash MCU
PDF  90 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F56 Datasheet(HTML) 17 Page - Holtek Semiconductor Inc

Back Button HT45F56 Datasheet HTML 13Page - Holtek Semiconductor Inc HT45F56 Datasheet HTML 14Page - Holtek Semiconductor Inc HT45F56 Datasheet HTML 15Page - Holtek Semiconductor Inc HT45F56 Datasheet HTML 16Page - Holtek Semiconductor Inc HT45F56 Datasheet HTML 17Page - Holtek Semiconductor Inc HT45F56 Datasheet HTML 18Page - Holtek Semiconductor Inc HT45F56 Datasheet HTML 19Page - Holtek Semiconductor Inc HT45F56 Datasheet HTML 20Page - Holtek Semiconductor Inc HT45F56 Datasheet HTML 21Page - Holtek Semiconductor Inc Next Button
Zoom Inzoom in Zoom Outzoom out
 17 / 90 page
background image
Rev. 1.11
16
April 11, 2017
Rev. 1.11
17
April 11, 2017
HT45F56
Shock Detector Flash MCU
HT45F56
Shock Detector Flash MCU
In Circuit Programming – ICP
TheprovisionofFlashtypeProgramMemoryprovidestheuserwithameansofconvenientand
easyupgradesandmodificationstotheirprogramsonthesamedevice.
Asanadditionalconvenience,Holtekhasprovidedameansofprogrammingthemicrocontrollerin-
circuitusinga4-pininterface.Thisprovidesmanufacturerswiththepossibilityofmanufacturing
theircircuitboardscompletewithaprogrammedorun-programmedmicrocontroller,andthen
programmingorupgradingtheprogramatalaterstage.Thisenablesproductmanufacturerstoeasily
keeptheirmanufacturedproductssuppliedwiththelatestprogramreleaseswithoutremovalandre-
insertionofthedevice.
Holtek Writer Pins
MCU Programming Pins
Pin Description
ICPDA
PA0
Programming Serial Data/Address
ICPCK
PA2
Programming Clock
VDD
VDD
Power Supply
VSS
VSS
Ground
TheProgramMemoryandEEPROMdatamemorycanbeprogrammedseriallyin-circuitusingthis
4-wireinterface.Dataisdownloadedanduploadedseriallyonasinglepinwithanadditionalline
fortheclock.Twoadditionallinesarerequiredforthepowersupply.Thetechnicaldetailsregarding
thein-circuitprogrammingofthedevicearebeyondthescopeofthisdocumentandwillbesupplied
insupplementaryliterature.
Duringtheprogrammingprocess,theusermusttakecareoftheICPDAandICPCKpinsfordata
andclockprogrammingpurposestoensurethatnootheroutputsareconnectedtothesetwopins.
*
*
Wr it er _V DD
IC PD A
IC PC K
Wr it er _V SS
To o th er C ir cu it
PA 0
PA 2
VS S
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.



Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90


Datasheet Download

Go To PDF Page


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


Mirror Sites
English : Alldatasheet.com  |   English : Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp
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