HT45F5Q datasheet(49/114 Pages) HOLTEK

49 / 114 page

Rev. 1.10

De�e��e� 1�� 01�

Rev. 1.10

De�e��e� 1�� 01�

HT45F5Q

Charger Flash MCU

HT45F5Q

Charger Flash MCU

Bit0

WRF:WDTControlregistersoftwareresetflag

0:Notoccur

1:Occurred

Thisbitissetto1bytheWDTControlregistersoftwareresetandclearedbythe

applicationprogram.Notethatthisbitcanonlybeclearedto0bytheapplication

program.

Watchdog Time-out Reset during Normal Operation

TheWatchdogtime-outResetduringnormaloperationisthesameasanLVRresetexceptthatthe

Watchdogtime-outflagTOwillbesetto“1”.

t RS TD + t SST

WD T Ti me -o ut

In te r nal R es et

Note:tRSTDispower-ondelay,typicaltime=16.7ms

WDT Time-out Reset during Normal Operation Timing Chart

Watchdog Time-out Reset during SLEEP or IDLE Mode

TheWatchdogtime-outResetduringSLEEPorIDLEModeisalittledifferentfromotherkinds

ofreset.MostoftheconditionsremainunchangedexceptthattheProgramCounterandtheStack

Pointerwillbeclearedto“0”andtheTOflagwillbesetto“1”.RefertotheA.C.Characteristicsfor

tSSTdetails.

t SST

WD T Ti me -o ut

In te r nal R es et

WDT Time-out Reset during SLEEP or IDLE Timing Chart

Reset Initial Conditions

Thedifferenttypesofresetdescribedaffecttheresetflagsindifferentways.Theseflags,known

asPDFandTOarelocatedinthestatusregisterandarecontrolledbyvariousmicrocontroller

operations,suchastheSLEEPorIDLEModefunctionorWatchdogTimer.Theresetflagsare

showninthetable:

PDF

RESET Conditions

Powe�-on �eset

LVR �eset du�ing NORMAL o� SLOW Mode ope�ation

WDT ti�e-out �eset du�ing NORMAL o� SLOW Mode ope�ation

WDT ti�e-out �eset du�ing IDLE o� SLEEP Mode ope�ation

Note:“u”standsforunchanged

Thefollowingtableindicatesthewayinwhichthevariouscomponentsofthemicrocontrollerare

affectedafterapower-onresetoccurs.

Item

Condition After RESET

P�og�a� Counte�

Reset to ze�o

Inte��upts

All inte��upts will �e disa�led

WDT

Clea� afte� �eset� WDT �egins �ounting

Ti�e� Modules

Ti�e� Modules will �e tu�ned off

Input/Output Po�ts

I/O po�ts will �e setup as inputs

Sta�k Pointe�

Sta�k Pointe� will point to the top of the sta�k

HT45F5Q датащи(PDF) 49 Page - Holtek Semiconductor Inc

HT45F5Q датащи(HTML) 49 Page - Holtek Semiconductor Inc

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

датащи скачать

ссылки URL