Electronic Components Datasheet Search
  English  ▼
ALLDATASHEET.NET

X  

Preview PDF HTML

HT45F5Q Datasheet(PDF) 36 Page - Holtek Semiconductor Inc

Part # HT45F5Q
Description  Charger Flash MCU
PDF  114 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Manufacturer  HOLTEK [Holtek Semiconductor Inc]
Direct Link  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F5Q Datasheet(HTML) 36 Page - Holtek Semiconductor Inc

Back Button HT45F5Q Datasheet HTML 32Page - Holtek Semiconductor Inc HT45F5Q Datasheet HTML 33Page - Holtek Semiconductor Inc HT45F5Q Datasheet HTML 34Page - Holtek Semiconductor Inc HT45F5Q Datasheet HTML 35Page - Holtek Semiconductor Inc HT45F5Q Datasheet HTML 36Page - Holtek Semiconductor Inc HT45F5Q Datasheet HTML 37Page - Holtek Semiconductor Inc HT45F5Q Datasheet HTML 38Page - Holtek Semiconductor Inc HT45F5Q Datasheet HTML 39Page - Holtek Semiconductor Inc HT45F5Q Datasheet HTML 40Page - Holtek Semiconductor Inc Next Button
Zoom Inzoom in Zoom Outzoom out
 36 / 114 page
background image
Rev. 1.10
��
De�e��e� 1�� �01�
Rev. 1.10
�7
De�e��e� 1�� �01�
HT45F5Q
Charger Flash MCU
HT45F5Q
Charger Flash MCU
System Operation Modes
Therearesixdifferentmodesofoperationforthemicrocontroller,eachonewithitsown
specialcharacteristicsandwhichcanbechosenaccordingtothespecificperformanceand
powerrequirementsoftheapplication.Therearetwomodesallowingnormaloperationofthe
microcontroller,theNORMALModeandSLOWMode.Theremainingfourmodes,theSLEEP0,
SLEEP1,IDLE0andIDLE1modesareusedwhenthemicrocontrollerCPUisswitchedoffto
conservepower.
Operating
Mode
Description
CPU
fSYS
fLIRC
fTBC
NORMAL �ode
On
fH~fH/�4
On
On
SLOW �ode
On
fL
On
On
IDLE0 �ode
Off
Off
On
On
IDLE1 �ode
Off
On
On
On
SLEEP0 �ode
Off
Off
Off
Off
SLEEP1 �ode
Off
Off
On
Off
NORMAL Mode
Asthenamesuggeststhisisoneofthemainoperatingmodeswherethemicrocontrollerhasall
ofitsfunctionsoperationalandwherethesystemclockisprovidedthehighspeedoscillator.This
modeoperatesallowingthemicrocontrollertooperatenormallywithaclocksourcewillcomefrom
thehighspeedoscillatorHIRC.Thehighspeedoscillatorwillhoweverfirstbedividedbyaratio
rangingfrom1to64,theactualratiobeingselectedbytheCKS2~CKS0andHLCLKbitsinthe
SMODregister.Althoughahighspeedoscillatorisused,runningthemicrocontrolleratadivided
clockratioreducestheoperatingcurrent.
SLOW Mode
Thisisalsoamodewherethemicrocontrolleroperatesnormallyalthoughnowwithaslower
speedclocksource.TheclocksourceusedwillbefromthelowspeedoscillatorLIRC.Running
themicrocontrollerinthismodeallowsittorunwithmuchloweroperatingcurrents.IntheSLOW
Mode,thefHisoff.
SLEEP0 Mode
TheSLEEPModeisenteredwhenanHALTinstructionisexecutedandwhentheIDLENbitinthe
SMODregisterislow.IntheSLEEP0modetheCPUwillbestopped,andthefLIRCclockwillbe
stoppedtoo,andtheWatchdogTimerfunctionisdisabled.
SLEEP1 Mode
TheSLEEPModeisenteredwhenanHALTinstructionisexecutedandwhentheIDLENbitinthe
SMODregisterislow.IntheSLEEP1modetheCPUwillbestopped.HoweverthefLIRCclockswill
continuetooperateiftheWatchdogTimerfunctionisenabled.
IDLE0 Mode
TheIDLE0ModeisenteredwhenaHALTinstructionisexecutedandwhentheIDLENbitinthe
SMODregisterishighandtheFSYSONbitintheSMOD1registerislow.IntheIDLE0Modethe
systemoscillatorwillbeinhibitedfromdrivingtheCPUbutsomeperipheralfunctionswillremain
operationalsuchastheWatchdogTimerandTM.IntheIDLE0Mode,thesystemoscillatorwillbe
stopped.



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


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