HT45FM2C datasheet(72/171 Pages) HOLTEK

72 / 171 page

Rev. 1.10

7�

�a� �0� �01�

Rev. 1.10

7�

�a� �0� �01�

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

HT45FM2C

Brushless DC Motor Flash Type 8-Bit MCU

Preliminar�

isgeneratedafteracomparematchoccursfromComparatorA.TheTnPFinterruptrequestflag,

generatedfromacomparematchoccursfromComparatorP,willhavenoeffectontheTMoutput

pin.ThewayinwhichtheTMoutputpinchangesstatearedeterminedbytheconditionofthe

TnIO1andTnIO0bitsintheTMnC1register.TheTMoutputpincanbeselectedusingtheTnIO1

andTnIO0bitstogohigh,togolowortotogglefromitspresentconditionwhenacomparematch

occursfromComparatorA.TheinitialconditionoftheTMoutputpin,whichissetupafterthe

TnONbitchangesfromlowtohigh,issetupusingtheTnOCbit.NotethatiftheTnIO1andTnIO0

bitsarezerothennopinchangewilltakeplace.

Counter Value

CCRP

CCRA

TnON

TnPAU

TnPOL

CCRP Int.

Flag TnPF

CCRA Int.

Flag TnAF

T� O/P Pin

Time

CCRP=0

CCRP > 0

Counter overflow

CCRP > 0

Counter cleared b� CCRP value

Pause

Resume

Stop

Counter

Restart

TnCCLR = 0; Tn� [1:0] = 00

Output pin set to

initial Level Low

if TnOC=0

Output Toggle with

TnAF flag

Note TnIO [1:0] = 10

Active High Output select

Here TnIO [1:0] = 11

Toggle Output select

Output not affected b� TnAF

flag. Remains High until reset

b� TnON bit

Output Pin

Reset to Initial value

Output controlled b�

other pin-shared function

Output Inverts

when TnPOL is high

0x�FF or 0xFFFF

Compare Match Output Mode – TnCCLR=0

Note:1.WithTnCCLR=0,aComparatorPmatchwillclearthecounter

2.TheTMoutputpiniscontrolledonlybytheTnAFflag

3.TheoutputpinisresettoitsinitialstatebyaTnONbitrisingedge

4.n=0,1,2,3,5

HT45FM2C 데이터시트(PDF) 72 Page - Holtek Semiconductor Inc

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