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HT45F4M датащи(PDF) 69 Page - Holtek Semiconductor Inc

номер детали HT45F4M
подробное описание детали  Lithium Battery Backup Power ASSP MCU
PDF  138 Pages
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производитель  HOLTEK [Holtek Semiconductor Inc]
домашняя страница  http://www.holtek.com
Logo HOLTEK - Holtek Semiconductor Inc

HT45F4M датащи(HTML) 69 Page - Holtek Semiconductor Inc

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Rev. 1.10
68
�an�a�� 1�� �01�
Rev. 1.10
69
�an�a�� 1�� �01�
HT45F4M
Lithium Battery Backup Power ASSP MCU
HT45F4M
Lithium Battery Backup Power ASSP MCU
Leadi ng Ed ge
Tn ON b it
0 ® 1
S/ W Co mm an d
SET " Tn ON "
or
TC Kn P in T ra ns it io n
Tn ON b it
1 ® 0
S/ W Co mm an d
CL R "T nO N"
or
CCR A Ma tc h C om pa re
Pu ls e Wi dt h = CCRA V al ue
Tr a ili ng E dge
TM n Ou tp ut P in
Single Pulse Generation (n= 0)
CCRA
CCRP
CCRP Int.
FlagTnPF
CCRA Int.
FlagTnAF
TM O/P Pin
TnOC = 1
TnON
üüüüü
set b� CCRA
TnIO1� TnIO0 = 11
No CCRP
Inte���pt
gene�ated
Co�nte� Stops
b� softwa�e
Co�nte� �eset
whenTnON
�et��ns high
Time
TnPOL
O�tp�t Inve�ts
When TnPOL = 1
TM O/PPin
TnOC = 0
TnPAU
Res�me
Pa�se
Softwa�e
T�igge�
TCn pin
Clea�ed b�
CCRA match
TCKn pin
T�igge�
A�to. set
b� TCKn pin
Softwa�e
Clea�
Softwa�e
T�igge�
Softwa�e
T�igge�
TnM [1:0] = 10; TnIO [1:0] = 11
Co�nte� Val�e
üüüüüüü
b� CCRA
TnIO1� TnIO0 = 11 Single P�lse O�tp�t
TnIO1� TnIO0 = 00
üüüüüüü
Softwa�e
T�igge�
Single Pulse Mode
Note:1.CounterstoppedbyCCRAmatch
2.CCRPisnotused
3.ThepulseistriggeredbytheTCKnpinorsettingtheTnONbithigh
4.ATCKnpinactiveedgewillautomaticallysettheTnONbithigh
5.IntheSinglePulseMode,TnIO[1:0]mustbesetto“11”andcannotbechanged.
6.n=0



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