HT45F65 datasheet(130/231 Pages) HOLTEK

130 / 231 page

Rev. 1.60

130

�ove��e� �� 01�

Rev. 1.60

131

�ove��e� �� 01�

HT45F65/HT45F66/HT45F67

Glucose Meter 8-Bit Flash MCU

Counte� Value

0x3FF

CCRB

CCRA

TnO�

TnPAU

TnBPOL

CCRB Int.

Flag TnBF

CCRA Int.

Flag TnAF

TPnB O/P

Ti�e

CCRA=0

CCRA = 0

Counte� ove�flow

CCRA > 0 Counte� clea�ed �y CCRA value

Pause

Resu�e

Stop

Counte� Resta�t

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

Output pin set to

initial Level Low

if TnBOC=0

Output Toggle with

TnBF flag

�ote TnBIO [1:0] = 10

Active High Output select

He�e TnBIO [1:0] = 11

Toggle Output select

Output not affected �y

TnBF flag. Re�ains High

until �eset �y TnO� �it

Output Pin

Reset to Initial value

Output cont�olled �y

othe� pin-sha�ed function

Output Inve�ts

when TnBPOL is high

�o TnAF flag

gene�ated on

CCRA ove�flow

ETM CCRB Compare Match Output Mode – TnCCLR = 1

Note:1.WithTnCCLR=1aComparatorAmatchwillclearthecounter

2.TheTPnBoutputpiniscontrolledonlybytheTnBFflag

3.TheTPnBoutputpinisresettoitsinitialstatebyaTnONbitrisingedge

4.TheTnPFflagisnotgeneratedwhenTnCCLR=1

Timer/Counter Mode

Toselectthismode,bitsT1AM1,T1AM0andT1BM1,T1BM0intheTM1C1andTM1C2register

shouldbesetto11respectively.TheTimer/CounterModeoperatesinanidenticalwaytothe

CompareMatchOutputModegeneratingthesameinterruptflags.TheexceptionisthatintheTimer/

CounterModetheTMoutputpinisnotused.ThereforetheabovedescriptionandTimingDiagrams

fortheCompareMatchOutputModecanbeusedtounderstanditsfunction.AstheTMoutputpin

isnotusedinthismode,thepincanbeusedasanormalI/Opinorotherpin-sharedfunction.

HT45F65 Datasheet(PDF) 130 Page - Holtek Semiconductor Inc

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