HT45F4MA datasheet(74/145 Pages) HOLTEK

74 / 145 page

Rev. 1.20

7�

De�e��e� 1�� 201�

Rev. 1.20

De�e��e� 1�� 201�

HT45F4MA/HT45FH4MA/HT45FH4MA-1

Power Bank Flash MCU

HT45F4MA/HT45FH4MA/HT45FH4MA-1

Power Bank Flash MCU

Single Pulse Mode

Toselectthismode,bitsT0M1andT0M0intheTM0C1registershouldbesetto10respectively

andalsotheT0IO1andT0IO0bitsshouldbesetto11respectively.TheSinglePulseOutputMode,

asthenamesuggests,willgenerateasingleshotpulseontheTMoutputpin.

ThetriggerforthepulseoutputleadingedgeisalowtohightransitionoftheT0ONbit,whichcan

beimplementedusingtheapplicationprogram.HoweverintheSinglePulseMode,theT0ONbit

canalsobemadetoautomaticallychangefromlowtohighusingtheexternalTCK0pin,whichwill

inturninitiatetheSinglePulseoutput.WhentheT0ONbittransitionstoahighlevel,thecounter

willstartrunningandthepulseleadingedgewillbegenerated.TheT0ONbitshouldremainhigh

whenthepulseisinitsactivestate.Thegeneratedpulsetrailingedgewillbegeneratedwhenthe

T0ONbitisclearedtozero,whichcanbeimplementedusingtheapplicationprogramorwhena

comparematchoccursfromComparatorA.

Leadi ng Ed ge

Tn ON b it

0 ® 1

S/ W Co mm an d

SET " Tn ON "

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"

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)

HT45F4MA 데이터시트(PDF) 74 Page - Holtek Semiconductor Inc