HT66F25D datasheet(80/177 Pages) HOLTEK

80 / 177 page

Rev. 1.00

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Rev. 1.00

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A/D Flash Type 8-bit MCU with EEPROM

HT66F24D/HT66F25D

Co�nter Va��e

0x3FF

CCRP

CCRA

TnON

TnPAU

TnPOL

CCRP Int.

F�ag TnPF

CCRA Int.

F�ag TnAF

TM O/P Pin

Time

CCRP=0

CCRP > 0

Co�nter overf�ow

CCRP > 0

Co�nter c�eared b� CCRP va��e

Pa�se

Res�me

Stop

Co�nter

Restart

TnCCLR = 0; TnM [1:0] = 00

O�tp�t pin set to

initia� Leve� Low

if TnOC=0

O�tp�t Togg�e with

TnAF f�ag

Note TnIO [1:0] = 10

Active High O�tp�t se�ect

Here TnIO [1:0] = 11

Togg�e O�tp�t se�ect

O�tp�t not affected b� TnAF

f�ag. Remains High �nti� reset

b� TnON bit

O�tp�t Pin

Reset to Initia� va��e

O�tp�t contro��ed b�

other pin-shared f�nction

O�tp�t Inverts

when TnPOL is high

Compare Match Output Mode – TnCCLR=0

Note:1.WithTnCCLR=0,aComparatorPmatchwillclearthecounter

2.TheTMoutputpiniscontrolledonlybytheTnAFflag

3.TheoutputpinisresettoitsinitialstatebyaTnONbitrisingedge

HT66F25D Datasheet(PDF) 80 Page - Holtek Semiconductor Inc

HT66F25D Datasheet(HTML) 80 Page - Holtek Semiconductor Inc

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