Datenblatt-Suchmaschine für elektronische Bauteile
  German  ▼
ALLDATASHEETDE.COM

X  

HT45R2K-C Datenblatt(PDF) 51 Page - Holtek Semiconductor Inc

Teilenummer HT45R2K-C
Bauteilbeschribung  Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale
Download  105 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Hersteller  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45R2K-C Datenblatt(HTML) 51 Page - Holtek Semiconductor Inc

Back Button HT45R2K-C_15 Datasheet HTML 47Page - Holtek Semiconductor Inc HT45R2K-C_15 Datasheet HTML 48Page - Holtek Semiconductor Inc HT45R2K-C_15 Datasheet HTML 49Page - Holtek Semiconductor Inc HT45R2K-C_15 Datasheet HTML 50Page - Holtek Semiconductor Inc HT45R2K-C_15 Datasheet HTML 51Page - Holtek Semiconductor Inc HT45R2K-C_15 Datasheet HTML 52Page - Holtek Semiconductor Inc HT45R2K-C_15 Datasheet HTML 53Page - Holtek Semiconductor Inc HT45R2K-C_15 Datasheet HTML 54Page - Holtek Semiconductor Inc HT45R2K-C_15 Datasheet HTML 55Page - Holtek Semiconductor Inc Next Button
Zoom Inzoom in Zoom Outzoom out
 51 / 105 page
background image
Rev. 1.40
�0
�a��� 1�� �01�
Rev. 1.40
�1
�a��� 1�� �01�
HT45R2K-C/-B/-A
Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale
HT45R2K-C/-B/-A
Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale
Mode,thesecondistoensurethattheportcontrolregisterconfiguresthepinasaninput.Itshould
benotedthatintheeventcountingmode,eveniftheisinthePowerDownMode,theTimer/Event
CounterwillcontinuetorecordexternallychanginglogiceventsonthetimerinputTMRnpin.Asa
resultwhenthetimeroverflowsitwillgenerateatimerinterruptandcorrespondingwake-upsource.
Ex te rm al E v ent
In cr em en t
Ti me r Co nt ro ll er
Ti me r+ 1T im er +2
Ti me r+ 3
Event Counter Mode Timing Chart (TnE=1)
Pulse Width Measurement Mode
Inthismode,theTimer/EventCountercanbeutilisedtomeasurethewidthofexternalpulses
appliedtotheexternaltimerpin.Tooperateinthismode,theOperatingModeSelectbitpair,TnM1/
TnM0,intheTimerControlRegistermustbesettothecorrectvalueasshown.
ControlRegisterOperatingModeSelectBitsforthePulseWidthCaptureMode
Bit7
Bit6
1
1
Inthismodetheinternalclock,fSYS,fSYS/4,fLorfTCK,isusedastheinternalclockforthe8-bit
Timer/EventCounterandthe16-bitTimer/EventCounter.However,theclocksource,fSYSand
fSYS/4,forthe8-bittimerandthe16-bittimerarefurtherdividedbyaprescaler,thevalueofwhich
isdeterminedbythePrescalerRateSelectbitsTnPSC2~TnPSC0,whicharebits2~0intheTimer
ControlRegister.AftertheotherbitsintheTimerControlRegisterhavebeensetup,theenable
bitTnON,whichisbit4oftheTimerControlRegister,canbesethightoenabletheTimer/Event
Counter,howeveritwillnotactuallystartcountinguntilanactiveedgeisreceivedontheexternal
timerpin.
IftheActiveEdgeSelectbitTnE,whichisbit3oftheTimerControlRegister,islow,onceahigh
tolowtransitionhasbeenreceivedontheexternaltimerpin,theTimer/EventCounterwillstart
countinguntiltheexternaltimerpinreturnstoitsoriginalhighlevel.Atthispointtheenablebitwill
beautomaticallyresettozeroandtheTimer/EventCounterwillstopcounting.IftheActiveEdge
Selectbitishigh,theTimer/EventCounterwillbegincountingoncealowtohightransitionhas
beenreceivedontheexternaltimerpinandstopcountingwhentheexternaltimerpinreturnstoits
originallowlevel.Asbefore,theenablebitwillbeautomaticallyresettozeroandtheTimer/Event
Counterwillstopcounting.ItisimportanttonotethatinthepulsewidthmeasurementMode,the
enablebitisautomaticallyresettozerowhentheexternalcontrolsignalontheexternaltimerpin
returnstoitsoriginallevel,whereasintheothertwomodestheenablebitcanonlyberesettozero
underprogramcontrol.TheresidualvalueintheTimer/EventCounter,whichcannowbereadby
theprogram,thereforerepresentsthelengthofthepulsereceivedontheTMRnpin.Astheenable
bithasnowbeenreset,anyfurthertransitionsontheexternaltimerpinwillbeignored.Thetimer
cannotbeginfurtherpulsewidthmeasurementuntiltheenablebitissethighagainbytheprogram.
Inthisway,singleshotpulsemeasurementscanbeeasilymade.
ItshouldbenotedthatinthismodetheTimer/EventCounteriscontrolledbylogicaltransitions
ontheexternaltimerpinandnotbythelogiclevel.WhentheTimer/EventCounterisfulland
overflows,aninterruptsignalisgeneratedandtheTimer/EventCounterwillreloadthevaluealready
loadedintothepreloadregisterandcontinuecounting.Theinterruptcanbedisabledbyensuring
thattheTimer/EventCounterInterruptEnablebitinthecorrespondingInterruptControlRegister,is
resettozero.


Ähnliche Teilenummer - HT45R2K-C_15

HerstellerTeilenummerDatenblattBauteilbeschribung
logo
Holtek Semiconductor In...
HT45R2K-C HOLTEK-HT45R2K-C Datasheet
1Mb / 105P
   Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale
More results

Ähnliche Beschreibung - HT45R2K-C_15

HerstellerTeilenummerDatenblattBauteilbeschribung
logo
Holtek Semiconductor In...
HT45R2K-C HOLTEK-HT45R2K-C Datasheet
1Mb / 105P
   Dual Slope 16K/8K/4K ASSP MCU for Body Fat Scale
HT45F77 HOLTEK-HT45F77 Datasheet
7Mb / 203P
   Body Fat Scale Flash MCU
HT45F75 HOLTEK-HT45F75 Datasheet
8Mb / 190P
   Body Fat Scale Flash MCU
BH66F2650 HOLTEK-BH66F2650 Datasheet
8Mb / 223P
   Body Fat Measurment Flash MCU
logo
Cypress Semiconductor
CYDC256B16 CYPRESS-CYDC256B16 Datasheet
610Kb / 26P
   1.8V 4k/8k/16k x 16 and 8k/16k x 8 ConsuMoBL Dual-Port Static RAM
CYDM256A16 CYPRESS-CYDM256A16 Datasheet
499Kb / 25P
   1.8V 4K/8K/16K x 16 and 8K/16K x 8 MoBL짰 Dual-Port Static RAM
CYDM064B16 CYPRESS-CYDM064B16_09 Datasheet
571Kb / 24P
   1.8V 4K/8K/16K x 16 and 8K/16K x 8 MoBL Dual-Port Static RAM
CYDM064B16 CYPRESS-CYDM064B16_08 Datasheet
548Kb / 24P
   1.8V 4K/8K/16K x 16 and 8K/16K x 8 MoBL짰 Dual-Port Static RAM
logo
Catalyst Semiconductor
CAT24WC03 CATALYST-CAT24WC03 Datasheet
43Kb / 8P
   2K/4K/8K/16K-Bit Serial E2PROM
logo
Cypress Semiconductor
CYDM256B16 CYPRESS-CYDM256B16 Datasheet
889Kb / 25P
   1.8V 4K/8K/16K x 16 MoBL짰 Dual-Port Static RAM
More results


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 91 92 93 94 95 96 97 98 99 100  ...More


Datenblatt Download

Go To PDF Page


Link URL




Privatsphäre und Datenschutz
ALLDATASHEETDE.COM
War ALLDATASHEET hilfreich?  [ DONATE ] 

Über Alldatasheet   |   Werbung   |   Kontakt   |   Privatsphäre und Datenschutz   |   Linktausch   |   Hersteller
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