HT66F4530 datasheet(117/224 Pages) HOLTEK

117 / 224 page

Rev. 1.00

11�

De�e��e� �1� �01�

Rev. 1.00

117

De�e��e� �1� �01�

HT66F4530/HT66F4540/HT66F4550

A/D Flash MCU with Dual Operational Amplifiers

HT66F4530/HT66F4540/HT66F4550

A/D Flash MCU with Dual Operational Amplifiers

Single Pulse Output Mode

Toselectthismode,bitsPTnM1andPTnM0inthePTMnC1registershouldbesetto10

respectivelyandalsothePTnIO1andPTnIO0bitsshouldbesetto11respectively.TheSinglePulse

OutputMode,asthenamesuggests,willgenerateasingleshotpulseonthePTMnoutputpin.

ThetriggerforthepulseoutputleadingedgeisalowtohightransitionofthePTnONbit,which

canbeimplementedusingtheapplicationprogram.HoweverintheSinglePulseOutputMode,the

PTnONbitcanalsobemadetoautomaticallychangefromlowtohighusingtheexternalPTCKn

pin,whichwillinturninitiatetheSinglePulseoutput.WhenthePTnONbittransitionstoahigh

level,thecounterwillstartrunningandthepulseleadingedgewillbegenerated.ThePTnONbit

shouldremainhighwhenthepulseisinitsactivestate.Thegeneratedpulsetrailingedgewillbe

generatedwhenthePTnONbitisclearedtozero,whichcanbeimplementedusingtheapplication

programorwhenacomparematchoccursfromComparatorA.

HoweveracomparematchfromComparatorAwillalsoautomaticallyclearthePTnONbitandthus

generatetheSinglePulseoutputtrailingedge.InthiswaytheCCRAvaluecanbeusedtocontrol

thepulsewidth.AcomparematchfromComparatorAwillalsogenerateaPTMninterrupt.The

countercanonlyberesetbacktozerowhenthePTnONbitchangesfromlowtohighwhenthe

counterrestarts.IntheSinglePulseOutputModeCCRPisnotused.ThePTnCCLRbitisnotused

inthisMode.

PTnON �it

S/W Co��and

SET“PTnON

”

o�

PTCKn Pin

T�ansition

PTnON �it

CCRA

T�ailing Edge

S/W Co��and

CLR“PTnON”

o�

CCRA Co�pa�e

Mat�h

PTPn Output Pin

Pulse Width = CCRA Value

CCRA

Leading Edge

Single Pulse Generation (n=0 or 1)

HT66F4530 Datasheet(PDF) 117 Page - Holtek Semiconductor Inc

HT66F4530 Datasheet(HTML) 117 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 Descarga

Enlace URL