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HT66F4530 데이터시트(PDF) 103 Page - Holtek Semiconductor Inc

부품명 HT66F4530
상세설명  A/D Flash MCU with Dual Operational Amplifiers
PDF  224 Pages
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제조업체  HOLTEK [Holtek Semiconductor Inc]
홈페이지  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT66F4530 데이터시트(HTML) 103 Page - Holtek Semiconductor Inc

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Rev. 1.00
10�
De�e��e� �1� �01�
Rev. 1.00
103
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,bitsSTnM1andSTnM0intheSTMnC1registershouldbesetto10
respectivelyandalsotheSTnIO1andSTnIO0bitsshouldbesetto11respectively.TheSinglePulse
OutputMode,asthenamesuggests,willgenerateasingleshotpulseontheSTMnoutputpin.
ThetriggerforthepulseoutputleadingedgeisalowtohightransitionoftheSTnONbit,which
canbeimplementedusingtheapplicationprogram.HoweverintheSinglePulseOutputMode,the
STnONbitcanalsobemadetoautomaticallychangefromlowtohighusingtheexternalSTCKn
pin,whichwillinturninitiatetheSinglePulseoutput.WhentheSTnONbittransitionstoahigh
level,thecounterwillstartrunningandthepulseleadingedgewillbegenerated.TheSTnONbit
shouldremainhighwhenthepulseisinitsactivestate.Thegeneratedpulsetrailingedgewillbe
generatedwhentheSTnONbitisclearedtozero,whichcanbeimplementedusingtheapplication
programorwhenacomparematchoccursfromComparatorA.
HoweveracomparematchfromComparatorAwillalsoautomaticallycleartheSTnONbitandthus
generatetheSinglePulseoutputtrailingedge.InthiswaytheCCRAvaluecanbeusedtocontrol
thepulsewidth.AcomparematchfromComparatorAwillalsogenerateaSTMninterrupt.The
countercanonlyberesetbacktozerowhentheSTnONbitchangesfromlowtohighwhenthe
counterrestarts.IntheSinglePulseOutputModeCCRPisnotused.TheSTnCCLRandSTnDPX
bitsarenotusedinthisMode.
STnON �it
0
1
S/W Co��and
SET“STnON”
o�
STCKn Pin
T�ansition
STnON �it
1
0
CCRA
T�ailing Edge
S/W Co��and
CLR“STnON”
o�
CCRA Co�pa�e
Mat�h
STPn Output Pin
Pulse Width = CCRA Value
CCRA
Leading Edge
Note:STCKnisnotavailableforHT66F4530.
Single Pulse Generation (n=0 or 1)



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