HT45F5N datasheet(87/202 Pages) HOLTEK

87 / 202 page

Rev. 1.00

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Rev. 1.00

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HT45F5N/HT45FH5N

Power Bank ASSP Flash MCU

HT45F5N/HT45FH5N

Power Bank ASSP Flash MCU

Counte� Value

CCRP

CCRA

STO�

STPAU

STPOL

CCRP Int.

Flag STMPF

CCRA Int.

Flag STMAF

STM O/P

Pin (STOC=1)

Ti�e

Counte� stopped

�y CCRA

Pause

Resu�e

Counte� Stops

�y softwa�e

Counte� Reset when

STO� �etu�ns high

STM [1:0] = 10 ; STIO [1:0] = 11

Pulse Width

set �y CCRA

Output Inve�ts

when STPOL = 1

�o CCRP Inte��upts

gene�ated

STM O/P

Pin (STOC=0)

STCK pin

Softwa�e

T�igge�

Clea�ed �y

CCRA �atch

STCK pin

T�igge�

Auto. set �y

STCK 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.ThepulseistriggeredbytheSTCKpinorsettingtheSTONbithigh

4.IntheSinglePulseMode,STIO[1:0]mustbesetto"11"andcannotbechanged.

HoweveracomparematchfromComparatorAwillalsoautomaticallycleartheSTONbitandthus

generatetheSinglePulseoutputtrailingedge.InthiswaytheCCRAvaluecanbeusedtocontrolthe

pulsewidth.AcomparematchfromComparatorAwillalsogenerateaSTMinterrupt.Thecounter

canonlyberesetbacktozerowhentheSTONbitchangesfromlowtohighwhenthecounter

restarts.IntheSinglePulseModeCCRPisnotused.TheSTCCLRandSTDPXbitsarenotusedin

thisMode.

HT45F5N Datasheet(PDF) 87 Page - Holtek Semiconductor Inc

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