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HT66F4530 数据表(PDF) 109 Page - Holtek Semiconductor Inc

部件名 HT66F4530
功能描述  A/D Flash MCU with Dual Operational Amplifiers
PDF  224 Pages
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制造商  HOLTEK [Holtek Semiconductor Inc]
网页  http://www.holtek.com
标志 HOLTEK - Holtek Semiconductor Inc

HT66F4530 数据表(HTML) 109 Page - Holtek Semiconductor Inc

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Rev. 1.00
108
De�e��e� �1� �01�
Rev. 1.00
109
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
PTMnC1 Register
Bit
7
6
5
4
3
2
1
0
Na�e
PTnM1
PTnM0
PTnIO1 PTnIO0 PTnOC PTnPOL PTnCAPTS PTnCCLR
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
POR
0
0
0
0
0
0
0
0
Bit7~6
PTnM1~PTnM0:SelectPTMnOperatingMode
00:CompareMatchOutputMode
01:CaptureInputMode
10:PWMOutputModeorSinglePulseOutputMode
11:Timer/CounterMode
ThesebitssetuptherequiredoperatingmodeforthePTMn.Toensurereliable
operationthePTMnshouldbeswitchedoffbeforeanychangesaremadetothe
PTnM1andPTnM0bits.IntheTimer/CounterMode,thePTMnoutputpincontrol
mustbedisabled.
Bit5~4
PTnIO1~PTnIO0:SelectPTMnexternalpin(PTPnorPTCKn)function
CompareMatchOutputMode
00:Nochange
01:Outputlow
10:Outputhigh
11:Toggleoutput
PWMOutputMode/SinglePulseOutputMode
00:PWMOutputinactivestate
01:PWMOutputactivestate
10:PWMoutput
11:Singlepulseoutput
CaptureInputMode
00:InputcaptureatrisingedgeofPTCKn
01:InputcaptureatfallingedgeofPTCKn
10:Inputcaptureatfalling/risingedgeofPTCKn
11:Inputcapturedisabled
Timer/CounterMode
Unused
ThesetwobitsareusedtodeterminehowthePTMnoutputpinchangesstatewhena
certainconditionisreached.Thefunctionthatthesebitsselectdependsuponinwhich
modethePTMnisrunning.
IntheCompareMatchOutputMode,thePTnIO1andPTnIO0bitsdeterminehowthe
PTMnoutputpinchangesstatewhenacomparematchoccursfromtheComparatorA.
ThePTMnoutputpincanbesetuptoswitchhigh,switchlowortotoggleitspresent
statewhenacomparematchoccursfromtheComparatorA.Whenthebitsareboth
zero,thennochangewilltakeplaceontheoutput.TheinitialvalueofthePTMn
outputpinshouldbesetupusingthePTnOCbitinthePTMnC1register.Notethat
theoutputlevelrequestedbythePTnIO1andPTnIO0bitsmustbedifferentfromthe
initialvaluesetupusingthePTnOCbitotherwisenochangewilloccuronthePTMn
outputpinwhenacomparematchoccurs.AfterthePTMnoutputpinchangesstate,
itcanberesettoitsinitiallevelbychangingthelevelofthePTnONbitfromlowto
high.
InthePWMOutputMode,thePTnIO1andPTnIO0bitsdeterminehowthePTMn
outputpinchangesstatewhenacertaincomparematchconditionoccurs.ThePWM
outputfunctionismodifiedbychangingthesetwobits.Itisnecessarytoonlychange
thevaluesofthePTnIO1andPTnIO0bitsonlyaftertheTMhasbeenswitchedoff.
UnpredictablePWMoutputswilloccurifthePTnIO1andPTnIO0bitsarechanged
whenthePTMnisrunning.



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