HT69F360 datasheet(138/235 Pages) HOLTEK

138 / 235 page

Rev. 1.30

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Rev. 1.30

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HT69F340/HT69F350/HT69F360

TinyPowerTM I/O Flash MCU with LCD & EEPROM

HT69F340/HT69F350/HT69F360

TinyPowerTM I/O Flash MCU with LCD & EEPROM

PTMnRPH Register

Bit

�a�e

—

D�

R/W

—

R/W

POR

—

Bit7~2

Unimplemented,readas“0”

Bit1~0

D9~D8:PTMnCCRPRegisterbit1~bit0

PTMn10-bitCCRPbit9~bit8

Periodic Type TM Operating Modes

TheP-typeTMcanoperateinoneoffiveoperatingmodes,CompareMatchOutputMode,PWM

OutputMode,SinglePulseOutputMode,CaptureInputModeorTimer/CounterMode.The

operatingmodeisselectedusingthePTnM1andPTnM0bitsinthePTMnC1register.

Compare Output Mode

Toselectthismode,bitsPTnM1andPTnM0inthePTMnC1register,shouldbesetto00

respectively.Inthismodeoncethecounterisenabledandrunningitcanbeclearedbythree

methods.Theseareacounteroverflow,acomparematchfromComparatorAandacomparematch

fromComparatorP.WhenthePTnCCLRbitislow,therearetwowaysinwhichthecountercanbe

cleared.OneiswhenacomparematchfromComparatorP,theotheriswhentheCCRPbitsareall

zerowhichallowsthecountertooverflow.HerebothPTMnAFandPTMnPFinterruptrequestflags

forComparatorAandComparatorPrespectively,willbothbegenerated.

IfthePTnCCLRbitinthePTMnC1registerishighthenthecounterwillbeclearedwhenacompare

matchoccursfromComparatorA.However,hereonlythePTMnAFinterruptrequestflagwill

begeneratedevenifthevalueoftheCCRPbitsislessthanthatoftheCCRAregisters.Therefore

whenPTnCCLRishighnoPTMnPFinterruptrequestflagwillbegenerated.IntheCompareMatch

OutputMode,theCCRAcannotbesetto“0”.

Asthenameofthemodesuggests,afteracomparisonismade,theTMoutputpin,willchange

state.TheTMoutputpinconditionhoweveronlychangesstatewhenaPTMnAFinterruptrequest

flagisgeneratedafteracomparematchoccursfromComparatorA.ThePTMnPFinterruptrequest

flag,generatedfromacomparematchoccursfromComparatorP,willhavenoeffectontheTM

outputpin.ThewayinwhichtheTMoutputpinchangesstatearedeterminedbytheconditionof

thePTnIO1andPTnIO0bitsinthePTMnC1register.TheTMoutputpincanbeselectedusing

thePTnIO1andPTnIO0bitstogohigh,togolowortotogglefromitspresentconditionwhena

comparematchoccursfromComparatorA.TheinitialconditionoftheTMoutputpin,whichis

setupafterthePTnONbitchangesfromlowtohigh,issetupusingthePTnOCbit.Notethatifthe

PTnIO1andPTnIO0bitsarezerothennopinchangewilltakeplace.

HT69F360 датащи(PDF) 138 Page - Holtek Semiconductor Inc

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