HT66F20 datasheet(136/298 Pages) HOLTEK

136 / 298 page

Rev. 1.90

1�6

�e��a�� 18� �01�

Rev. 1.90

1�7

�e��a�� 18� �01�

HT66F20/HT66F30/HT66F40/HT66F50/HT66F60

HT66FU30/HT66FU40/HT66FU50/HT66FU60

Enhanced A/D Flash Type 8-Bit MCU with EEPROM

HT66F20/HT66F30/HT66F40/HT66F50/HT66F60

HT66FU30/HT66FU40/HT66FU50/HT66FU60

Enhanced A/D Flash Type 8-Bit MCU with EEPROM

CCRP

CCRA

0x��/

0x��

CCRA = 0

Co�nte� ove�flows

CCRP Int.

�lag TnP�

CCRA Int.

�lag TnA�

CCRA > 0 Co�nte� clea�ed �� CCRA val�e

TM O/P Pin

TnON �it

Pa�se

Co�nte�

Reset

O�tp�t Pin

Reset to initial val�e

O�tp�t Pin set

to Initial Level

Low if TnOC = 0

O�tp�t Toggle

with TnA� flag

He�e TnIO1� TnIO0 = 11

Toggle O�tp�t Select

Now TnIO1� TnIO0 = 10

Active High O�tp�t

Select

TnPAU �it

Res�me

Stop

Time

TnP� not

gene�ated

No TnA� flag

gene�ated on

CCRA ove�flow

O�tp�t does

not change

CCRA = 0

O�tp�t inve�ts

when TnPOL is high

TnPOL �it

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

O�tp�t cont�olled ��

othe� pin-sha�ed f�nction

O�tp�t not affected ��

TnA� flag �emains High

�ntil �eset �� TnON �it

Co�nte� Val�e

Compare Match Output Mode – TnCCLR=1

Note:1.WithTnCCLR=1,aComparatorAmatchwillclearthecounter

2.TheTMoutputpiniscontrolledonlybytheTnAFflag

3.TheoutputpinisresettoitsinitialstatebyaTnONbitrisingedge

4.ATnPFflagisnotgeneratedwhenTnCCLR=1

HT66F20 Datasheet(PDF) 136 Page - Holtek Semiconductor Inc

HT66F20 Datasheet(HTML) 136 Page - Holtek Semiconductor Inc

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