HT45F65 datasheet(105/231 Pages) HOLTEK

105 / 231 page

Rev. 1.60

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HT45F65/HT45F66/HT45F67

Glucose Meter 8-Bit Flash MCU

Standard Type TM – STM

TheStandardTypeTMcontainsfiveoperatingmodes,whichareCompareMatchOutput,Timer/

EventCounter,CaptureInput,SinglePulseOutputandPWMOutputmodes.TheStandardTMcan

alsobecontrolledwithanexternalinputpinandcandrivetwoexternaloutputpins.

Device

Name

TM No.

TM Input Pin

TM Output Pin

HT��F6�

16-�it STM

�

TCK�

TP�_0� TP�_1

HT��F66/HT��F67

16-�it STM

�

TCK�

TP�_0� TP�_1

Standard TM Operation

Thereisa16-bitwideSTM.Atthecoreisa16-bitcount-upcounterwhichisdrivenbyauser

selectableinternalorexternalclocksource.Therearealsotwointernalcomparatorswiththenames,

ComparatorAandComparatorP.Thesecomparatorswillcomparethevalueinthecounterwith

CCRPandCCRAregisters.TheCCRPcomparatoris8-bitwidewhosevalueiscomparedthewith

highest8bitsinthecounterwhiletheCCRAisthesixteenbitsandthereforecomparesallcounter

bits.

Theonlywayofchangingthevalueofthe16-bitcounterusingtheapplicationprogram,isto

clearthecounterbychangingtheT2ONbitfromlowtohigh.Thecounterwillalsobecleared

automaticallybyacounteroverfloworacomparematchwithoneofitsassociatedcomparators.

Whentheseconditionsoccur,aTMinterruptsignalwillalsousuallybegenerated.TheStandard

TypeTMcanoperateinanumberofdifferentoperationalmodes,canbedrivenbydifferentclock

sourcesincludinganinputpinandcanalsocontrolanoutputpin.Alloperatingsetupconditionsare

selectedusingrelevantinternalregisters.

CCRP

CCRA

T2 CC LR

Co mp ar at or P M at ch

Co mp ar at or A Ma tc h

T2 CK 2~ T2 CK 0

T2 ON

T2 PAU

b8 ~b 15

8- bi t Co m par at or P

16 -b it C om par at or A

Co un te r Cl ea r

16 -b it C oun t- up C oun te r

T2 PF In te rru pt

T2 AF In te rru pt

TP 2 Pi n

In put /O ut pu t

b0 ~b 15

E dge

De te ct or

T2 IO 1, T 2I O0

T2 M1 , T2 M0

T2 IO 1, T 2I O0

T2 PO L

T2 OC

Po la ri ty

Co n tr ol

Ou t put

Co n tr ol

TP 2_0

TP 2_1

TC K2

11 1

00 0

00 1

01 0

01 1

10 0

10 1

11 0

f SYS /4

f SYS

f H /1 6

f H /6 4

f TB C

Re se rv ed

Standard Type TM Block Digram

HT45F65 Datasheet(PDF) 105 Page - Holtek Semiconductor Inc

HT45F65 Datasheet(HTML) 105 Page - Holtek Semiconductor Inc

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