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HT45F4MA bảng dữ liệu(PDF) 58 Page - Holtek Semiconductor Inc

tên linh kiện HT45F4MA
Giải thích chi tiết về linh kiện  Power Bank Flash MCU
PDF  145 Pages
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nhà sản xuất  HOLTEK [Holtek Semiconductor Inc]
Trang chủ  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F4MA bảng dữ liệu(HTML) 58 Page - Holtek Semiconductor Inc

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Rev. 1.20
58
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Rev. 1.20
59
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HT45F4MA/HT45FH4MA/HT45FH4MA-1
Power Bank Flash MCU
HT45F4MA/HT45FH4MA/HT45FH4MA-1
Power Bank Flash MCU
Function
STM
PTM
Ti�e�/Counte�
√
√
I/P Captu�e
√
√
Co�pa�e Mat�h Output
√
√
PWM Channels
1
1
Single Pulse Output
1
1
PWM Align�ent
Edge
Edge
PWM Adjust�ent Pe�iod & Duty
Duty o� Pe�iod
Duty o� Pe�iod
TM Function Summary
TM0
TM1
1�-�it STM
10-�it PTM
TM Name/Type Reference
TM Operation
ThetwodifferenttypesofTMsofferadiverserangeoffunctions,fromsimpletimingoperations
toPWMsignalgeneration.ThekeytounderstandinghowtheTMoperatesistoseeitintermsof
afreerunningcounterwhosevalueisthencomparedwiththevalueofpre-programmedinternal
comparators.Whenthefreerunningcounterhasthesamevalueasthepre-programmedcomparator,
knownasacomparematchsituation,aTMinterruptsignalwillbegeneratedwhichcanclearthe
counterandperhapsalsochangetheconditionoftheTMoutputpin.TheinternalTMcounteris
drivenbyauserselectableclocksource,whichcanbeaninternalclockoranexternalpin.
TM Clock Source
TheclocksourcewhichdrivesthemaincounterineachTMcanoriginatefromvarioussources.
TheselectionoftherequiredclocksourceisimplementedusingtheTnCK2~TnCK0bitsintheTM
controlregisters.TheclocksourcecanbearatioofthesystemclockfSYSortheinternalhighclock
fH,thefTBCclocksourceortheexternalTCKnpin.TheTCKnpinclocksourceisusedtoallowan
externalsignaltodrivetheTMasanexternalclocksourceorforeventcounting.
TM Interrupts
ThetwodifferenttypesofTMshavetwointernalinterrupts,theinternalcomparatorAorcomparator
P,whichgenerateaTMinterruptwhenacomparematchconditionoccurs.WhenaTMinterruptis
generated,itcanbeusedtoclearthecounterandalsotochangethestateoftheTMoutputpin.



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