HT45F75 datasheet(85/190 Pages) HOLTEK

85 / 190 page

Rev. 1.10

8�

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Rev. 1.10

De�e��e� 1�� 01�

HT45F75

Body Fat Scale Flash MCU

HT45F75

Body Fat Scale Flash MCU

Periodic Type TM – PTM

ThePeriodicTypeTMcontainsfiveoperatingmodes,whichareCompareMatchOutput,Timer/

EventCounter,CaptureInput,SinglePulseOutputandPWMOutputmodes.ThePeriodicTMcan

becontrolledwithanexternalinputpinandcandrivetwoexternaloutputpin.

Name

TM No.

TM Input Pin

TM Output Pin

10-�it PTM

1� �

TCK1� TCK�

TP1_0� TP1_1

TP�_0� TP�_1

Periodic TM Operation

Atitscoreisa10-bitcount-upcounterwhichisdrivenbyauserselectableinternalorexternalclock

source.Therearetwointernalcomparatorswiththenames,ComparatorAandComparatorP.These

comparatorswillcomparethevalueinthecounterwiththeCCRAandCCRPregisters.

Theonlywayofchangingthevalueofthe10-bitcounterusingtheapplicationprogram,isto

clearthecounterbychangingtheTnONbitfromlowtohigh.Thecounterwillalsobecleared

automaticallybyacounteroverfloworacomparematchwithoneofitsassociatedcomparators.

Whentheseconditionsoccur,aTMinterruptsignalwillalsousuallybegenerated.ThePeriodic

TypeTMcanoperateinanumberofdifferentoperationalmodes,canbedrivenbydifferentclock

sourcesincludinganinputpinandcanalsocontroltheoutputpin.Alloperatingsetupconditionsare

selectedusingrelevantinternalregisters.

CCRP

CCRA

Tn CC LR

Co mp ar at or P M at ch

Co mp ar at or A Ma tc h

Tn CK 2~ Tn CK 0

Tn ON

Tn PA U

b0 ~b 9

10 -b it C om pa ra to r P

10 -b it

Co mp ar at or A

C oun te r Cl ea r

10 -b it C ount -u p Co un te r

Tn PF In te rr upt

Tn AF In te rru pt

TP n Pi n

I npu t/ Ou tp ut

b0 ~b 9

E dge

De te ct or

Tn IO 1, T nI O0

Tn M1 , Tn M0

Tn IO 1, T nI O0

Tn PO L

Tn OC

Po l ar it y

C ont ro l

Ou tp ut

C ont ro l

TP n_ 0

TC Kn

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 SU B

Re se rv ed

TP n_0 or T P n_1

TP n_ 1

Tn C APT S

Periodic Type TM Block Diagram (n=1 or 2)

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