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HT45F5Q Datasheet(PDF) 70 Page - Holtek Semiconductor Inc |
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HT45F5Q Datasheet(HTML) 70 Page - Holtek Semiconductor Inc |
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70 / 114 page  Rev. 1.10 70 De�e��e� 1�� �01� Rev. 1.10 71 De�e��e� 1�� �01� HT45F5Q Charger Flash MCU HT45F5Q Charger Flash MCU Single Pulse Mode Toselectthismode,bitsST0M1andST0M0intheSTM0C1registershouldbesetto10 respectivelyandalsotheST0IO1andST0IO0bitsshouldbesetto11respectively.TheSinglePulse OutputMode,asthenamesuggests,willgenerateasingleshotpulseontheSTMoutputpin. ThetriggerforthepulseoutputleadingedgeisalowtohightransitionoftheST0ONbit,which canbeimplementedusingtheapplicationprogram.HoweverintheSinglePulseMode,theST0ON bitcanalsobemadetoautomaticallychangefromlowtohighusingtheexternalSTCK0pin, whichwillinturninitiatetheSinglePulseoutput.WhentheST0ONbittransitionstoahighlevel, thecounterwillstartrunningandthepulseleadingedgewillbegenerated.TheST0ONbitshould remainhighwhenthepulseisinitsactivestate.Thegeneratedpulsetrailingedgewillbegenerated whentheST0ONbitisclearedtozero,whichcanbeimplementedusingtheapplicationprogramor whenacomparematchoccursfromComparatorA. S/W Co��and SET“ST0ON” o� STCK0 Pin T�ansition T�ailing Edge S/W Co��and CLR“ST0ON” o� CCRA Co�pa�e Mat�h STP0 Output Pin Pulse Width = CCRA Value Leading Edge ST0ON �it 0 → 1 ST0ON �it 1 → 0 Single Pulse Generation Counte� Value CCRP CCRA ST0ON ST0PAU ST0POL CCRP Int. Flag STMP0F CCRA Int. Flag STMA0F STM O/P Pin (ST0OC=1) Ti�e Counte� stopped �y CCRA Pause Resu�e Counte� Stops �y softwa�e Counte� Reset when ST0ON �etu�ns high ST0M [1:0] = 10 ; ST0IO [1:0] = 11 Pulse Width set �y CCRA Output Inve�ts when ST0POL = 1 No CCRP Inte��upts gene�ated STM O/P Pin (ST0OC=0) STCK0 pin Softwa�e T�igge� Clea�ed �y CCRA �at�h STCK0 pin T�igge� Auto. set �y STCK0 pin Softwa�e T�igge� Softwa�e Clea� Softwa�e T�igge� Softwa�e T�igge� Single Pulse Mode Note:1.CounterstoppedbyCCRAmatch 2.CCRPisnotused 3.ThepulseistriggeredbysettingtheST0ONbithigh 4.IntheSinglePulseMode,ST0IO[1:0]mustbesetto“11”andcannotbechanged. |
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