HT45F3W datasheet(85/167 Pages) HOLTEK

85 / 167 page

Rev. 1.50

De�e��e� 01� �01�

Rev. 1.50

De�e��e� 01� �01�

HT45F3W

R-Type Blood Pressure Meter Flash MCU

HT45F3W

R-Type Blood Pressure Meter Flash MCU

Asthenameofthemodesuggests,afteracomparisonismade,theTMoutputpinwillchange

state.TheTMoutputpinconditionhoweveronlychangesstatewhenaTnAFinterruptrequestflag

isgeneratedafteracomparematchoccursfromComparatorA.TheTnPFinterruptrequestflag,

generatedfromacomparematchoccursfromComparatorP,willhavenoeffectontheTMoutput

pin.ThewayinwhichtheTMoutputpinchangesstatearedeterminedbytheconditionofthe

TnIO1andTnIO0bitsintheTMnC1register.TheTMoutputpincanbeselectedusingtheTnIO1

andTnIO0bitstogohigh,togolowortotogglefromitspresentconditionwhenacomparematch

occursfromComparatorA.TheinitialconditionoftheTMoutputpin,whichissetupafterthe

TnONbitchangesfromlowtohigh,issetupusingtheTnOCbit.NotethatiftheTnIO1andTnIO0

bitsarezerothennopinchangewilltakeplace.

Counte� Value

0x3FF

CCRP

CCRA

TnON

TnPAU

TnPOL

CCRP Int.

Flag TnPF

CCRA Int.

Flag TnAF

TM O/P Pin

Ti�e

CCRP=0

CCRP > 0

Counte� ove�flow

CCRP > 0

Counte� �lea�ed �y CCRP value

Pause

Resu�e

Stop

Counte�

Resta�t

TnCCLR = 0; TnM [1:0] = 00

Output pin set to

initial Level Low

if TnOC=0

Output Toggle with

TnAF flag

Note TnIO [1:0] = 10

A�tive High Output sele�t

He�e TnIO [1:0] = 11

Toggle Output sele�t

Output not affe�ted �y TnAF

flag. Re�ains High until �eset

�y TnON �it

Output Pin

Reset to Initial value

Output �ont�olled �y

othe� pin-sha�ed fun�tion

Output Inve�ts

when TnPOL is high

Compare Match Output Mode - TnCCLR = 0 (n=0 or 1)

Note:1.WithTnCCLR=0,aComparatorPmatchwillclearthecounter

2.TheTMoutputpiniscontrolledonlybytheTnAFflag

3.TheoutputpinisresettoitsinitialstatebyaTnONbitrisingedge

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