HT45F65 datasheet(64/231 Pages) HOLTEK

64 / 231 page

Rev. 1.60

6�

�ove��e� �� 01�

Rev. 1.60

6�

�ove��e� �� 01�

HT45F65/HT45F66/HT45F67

Glucose Meter 8-Bit Flash MCU

Watchdog Time-out Reset during Normal Operation

TheWatchdogtime-outResetduringnormaloperationisthesameasahardwareRESpinreset

exceptthattheWatchdogtime-outflagTOwillbesetto"1".

t RS TD + t SST

WD T Ti me - out

In te r nal R es et

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 - out

In te r nal R es et

WDT Time-out Reset during Sleep Timing Chart

Note:ThetSSTis15~16clockcyclesifthesystemclocksourceisprovidedbyERCorHIRC.The

tSSTis1024clockforHXTorLXT.ThetSSTis1~2clockforLIRC.

Reset Initial Conditions

Thedifferenttypesofresetdescribedaffecttheresetflagsindifferentways.Theseflags,known

asPDFandTOarelocatedinthestatusregisterandarecontrolledbyvariousmicrocontroller

operations,suchastheSLEEPorIDLEModefunctionorWatchdogTimer.Theresetflagsare

showninthetable:

PDF

Reset Conditions

Powe�-on �eset

RES o� LVR �eset du�ing �o��al o� SLOW Mode ope�ation

WDT ti�e-out �eset du�ing �o��al 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 counting

Ti�e�/Event Counte�

Ti�e� Counte� will �e tu�ned off

Input/Output Po�ts

I/O po�ts will �e setup as inputs

Stack Pointe�

Stack Pointe� will point to the top of the stack

HT45F65 Arkusz danych(PDF) 64 Page - Holtek Semiconductor Inc

HT45F65 Arkusz danych(HTML) 64 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

Arkusz danych Pobierz

Link URL