HT66F019 datasheet(94/175 Pages) HOLTEK

94 / 175 page

Rev. 1.00

De�e��e� 01� �01�

Rev. 1.00

De�e��e� 01� �01�

HT66F019

A/D Flash MCU with EEPROM

HT66F019

A/D Flash MCU with EEPROM

generatedevenifthevalueoftheCCRPbitsislessthanthatoftheCCRAregisters.Thereforewhen

PTCCLRishighnoPTMPFinterruptrequestflagwillbegenerated.IntheCompareMatchOutput

Mode,theCCRAcannotbesetto"0".

IftheCCRAbitsareallzero,thecounterwilloverflowwhenitsreachesitsmaximum10-bit,3FF

Hex,value,howeverherethePTMAFinterruptrequestflagwillnotbegenerated.

Asthenameofthemodesuggests,afteracomparisonismade,thePTMoutputpinwillchange

state.ThePTMoutputpinconditionhoweveronlychangesstatewhenaPTMAFinterruptrequest

flagisgeneratedafteracomparematchoccursfromComparatorA.ThePTMPFinterruptrequest

flag,generatedfromacomparematchoccursfromComparatorP,willhavenoeffectonthePTM

outputpin.ThewayinwhichthePTMoutputpinchangesstatearedeterminedbytheconditionof

thePTIO1andPTIO0bitsinthePTMC1register.ThePTMoutputpincanbeselectedusingthe

PTIO1andPTIO0bitstogohigh,togolowortotogglefromitspresentconditionwhenacompare

matchoccursfromComparatorA.TheinitialconditionofthePTMoutputpin,whichissetupafter

thePTONbitchangesfromlowtohigh,issetupusingthePTOCbit.NotethatifthePTIO1and

PTIO0bitsarezerothennopinchangewilltakeplace.

Counte� Value

0x3FF

CCRP

CCRA

PTON

PTPAU

PTPOL

CCRP Int. Flag

PTMPF

CCRA Int. Flag

PTMAF

PTM 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

Output pin set to

initial Level Low if

PTOC=0

Output Toggle

with PTMAF flag

Note PTIO [1:0] = 10

A�tive High Output sele�t

He�e PTIO [1:0] = 11

Toggle Output sele�t

Output not affe�ted �y

PTMAF flag. Re�ains High

until �eset �y PTON �it

Output Pin

Reset to Initial value

Output �ont�olled �y othe�

pin-sha�ed fun�tion

Output Inve�ts when

PTPOL is high

PTCCLR = 0; PTM [1:0] = 00

Compare Match Output Mode – PTCCLR = 0

Notes:1.WithPTCCLR=0,aComparatorPmatchwillclearthecounter

2.ThePTMoutputpiniscontrolledonlybythePTMAFflag

3.TheoutputpinisresettoitsinitialstatebyaPTONbitrisingedge

HT66F019 Datasheet(PDF) 94 Page - Holtek Semiconductor Inc

HT66F019 Datasheet(HTML) 94 Page - Holtek Semiconductor Inc

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Datasheet Download

Link URL