HT66F019 datasheet(9/175 Pages) HOLTEK

9 / 175 page

Rev. 1.00

De�e��e� 01� �01�

Rev. 1.00

De�e��e� 01� �01�

HT66F019

A/D Flash MCU with EEPROM

HT66F019

A/D Flash MCU with EEPROM

Pin Assignment

HT66F019/HT66V019

20 NSOP-A

VSS

PC0/OSC1

PC1/OSC�

PC�

PA0/STP/ICPDA/OCDSDA

PA1/SDO

PA�/ICPCK/OCDSCK

PA3/SDI/SDA/CX

PB6/SCK/SCL/C+

PB5/SCS/C-

VDD

PB0/INT0/AN0/XT1

PB1/INT1/AN1/XT�

PB�/STCK/AN�

PA4/PTCK/AN3

PA5/AN4/VREF

PA6/TX/CTCK/AN5

PA�/RX/PTP/AN6

PB3/[TX]/CTP/AN�

PB4/[RX]/CLO

�0

1�

�

Notes:1.Bracketedpinnamesindicatenon-defaultpinoutremappinglocations.Thedetailedinformationcanbe

referencedtotherelevantchapter.

2.Ifthepin-sharedpinfunctionshavemultipleoutputssimultaneously,itspinnamesattherightsideof

the"/"signcanbeusedforhigherpriority.

3.TheOCDSDAandOCDSCKpinsaresuppliedfortheOCDSdedicatedpinsandassuchonlyavailable

fortheHT66V019devicewhichistheOCDSEVchipfortheHT66F019device.

Pin Description

Withtheexceptionofthepowerpinsandsomerelevanttransformercontrolpins,allpinsonthe

devicecanbereferencedbytheirPortname,e.g.PA0,PA1etc.,whichrefertothedigitalI/O

functionofthepins.HoweverthesePortpinsarealsosharedwithotherfunctionsuchastheTimer

Modulepinsetc.Thefunctionofeachpinislistedinthefollowingtable,howeverthedetailsbehind

howeachpinisconfigurediscontainedinothersectionsofthedatasheet.

Pin Name

Function

OPT

I/T

O/T

Description

PA0/STP/ICPDA/

OCDSDA

PA0

PAPU

PAWU

CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high

and wake-up

STP

TMPC

CMOS STM input/output

ICPDA

—

CMOS In-�i��uit p�og�a��ing add�ess/data pin

OCDSDA

—

CMOS OCDS data/add�ess pin� fo� EV �hip only

PA1/SDO

PA1

PAPU

PAWU

CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high

and wake-up

SDO

SIMC0

—

CMOS SPI se�ial data output

PA�/ICPCK/

OCDSCK

PA�

PAPU

PAWU

CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high

and wake-up

ICPCK

—

In-�i��uit p�og�a��ing �lo�k pin

OCDSCK

—

OCDS �lo�k pin� fo� EV �hip only

PA3/SDI/SDA/CX

PA3

PAPU

PAWU

CMOS Gene�al pu�pose I/O. Registe� ena�led pull-high

and wake-up

SDI

SIMC0

—

SPI se�ial data input

SDA

SIMC0

NMOS I�C data line

CPC

—

CMOS Co�pa�ato� output

HT66F019 Datasheet(PDF) 9 Page - Holtek Semiconductor Inc

HT66F019 Datasheet(HTML) 9 Page - Holtek Semiconductor Inc

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