HT66F20 datasheet(157/298 Pages) HOLTEK

157 / 298 page

Rev. 1.90

156

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Rev. 1.90

157

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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

Co�nte� Val�e

0x��

CCRP

CCRA

TnON

TnPAU

TnAPOL

CCRP Int.

�lag TnP�

CCRA Int.

�lag TnA�

TPnA O/P

Time

CCRA=0

CCRA = 0

Co�nte� ove�flow

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

Pa�se

Res�me

Stop

Co�nte� Resta�t

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

O�tp�t pin set to

initial Level Low

if TnAOC=0

O�tp�t Toggle with

TnA� flag

Note TnAIO [1:0] = 10

Active High O�tp�t select

He�e TnAIO [1:0] = 11

Toggle O�tp�t select

O�tp�t not affected ��

TnA� flag. Remains High

�ntil �eset �� TnON �it

O�tp�t Pin

Reset to Initial val�e

O�tp�t cont�olled ��

othe� pin-sha�ed f�nction

O�tp�t Inve�ts

when TnAPOL is high

TnP� not

gene�ated

No TnA� flag

gene�ated on

CCRA ove�flow

O�tp�t does

not change

ETM CCRA Compare Match Output Mode – TnCCLR=1

Note:1.WithTnCCLR=1,aComparatorAmatchwillclearthecounter

2.TheTPnAoutputpiniscontrolledonlybytheTnAFflag

3.TheTPnAoutputpinisresettoitsinitialstatebyaTnONbitrisingedge

4.TheTnPFflagisnotgeneratedwhenTnCCLR=1

HT66F20 Datasheet(PDF) 157 Page - Holtek Semiconductor Inc

HT66F20 Datasheet(HTML) 157 Page - Holtek Semiconductor Inc

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