HT66F0185 datasheet(13/207 Pages) HOLTEK

13 / 207 page

Rev. 1.40

1�

De�e��e� 0�� 01�

Rev. 1.40

De�e��e� 0�� 01�

HT66F0175/HT66F0185

A/D Flash MCU with EEPROM

HT66F0175/HT66F0185

A/D Flash MCU with EEPROM

Pad Name

Function

OPT

I/T

O/T

Description

PC�/SDO/SSEG0/

SCOM0

PC�

PCPU

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

SDO

SIMC0

IFS

—

CMOS SPI data output

SSEG0

SLCDC0

SLCDC1

—

SSEG Softwa�e �ont�olled LCD seg�ent output

SCOM0

SLCDC0

SLCDC1

—

SCOM Softwa�e �ont�olled LCD �o��on output

PC3/SDI/SDA/

SSEG19

PC3

PCPU

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

SDI

SIMC0

IFS

—

SPI data input

SDA

SIMC0

IFS

NMOS I�C data line

SSEG19

SLCDC3

—

SSEG Softwa�e �ont�olled LCD seg�ent output

PC4/SCK/SCL/

SSEG1/SCOM1

PC4

PCPU

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

SCK

SIMC0

IFS

CMOS SPI se�ial �lo�k

SCL

SIMC0

IFS

NMOS I�C �lo�k line

SSEG1

SLCDC0

SLCDC1

—

SSEG Softwa�e �ont�olled LCD seg�ent output

SCOM1

SLCDC0

SLCDC1

—

SCOM Softwa�e �ont�olled LCD �o��on output

PC5/[INT1]/

SSEG11

PC5

PCPU

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

[INT1]

INTEG

IFS

—

Exte�nal Inte��upt 1

SSEG11

SLCDC�

—

SSEG Softwa�e �ont�olled LCD seg�ent output

PC�/[INT0]/

SSEG1�

PC�

PCPU

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

[INT0]

INTEG

IFS

—

Exte�nal Inte��upt 0

SSEG1�

SLCDC�

—

SSEG Softwa�e �ont�olled LCD seg�ent output

VDD&AVDD

VDD

—

PWR

—

Positive powe� supply

AVDD

—

PWR

—

A/D �onve�te� positive powe� supply

VSS&AVSS

VSS

—

PWR

—

Negative powe� supply� g�ound.

AVSS

—

PWR

—

A/D �onve�te� negative powe� supply� g�ound.

Note:I/T:Inputtype;

O/T:Outputtype;

OPT:Optionalbyconfigurationoption(CO)orregisteroption;

CO:Configurationoption;

ST:SchmittTriggerinput; AN:Analoginput;

CMOS:CMOSoutput;

NMOS:NMOSoutput;

AO:Analogoutput;

SSEG:SoftwarecontrolledLCDSEG;

SCOM:SoftwarecontrolledLCDCOM;

HXT:Highfrequencycrystaloscillator;

LXT:Lowfrequencycrystaloscillator

PWR:Power

*TheAVDDpinisinternallybondedtogetherwiththeVDDpinwhiletheAVSSpinisinternallybonded

togetherwiththeVSSpin.

AsthePinDescriptionSummarytableappliestothepackagetypewiththemostpins,notalloftheabovelisted

pinsmaybepresentonpackagetypeswithsmallernumbersofpins.

HT66F0185

Pad Name

Function

OPT

I/T

O/T

Description

PA0/TP0/ICPDA/

OCDSDA

PA0

PAWU

PAPU

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

wake-up.

TP0

TMPC

CMOS TM0 input/output

ICPDA

—

CMOS ICP Data/Add�ess pin

OCDSDA

—

CMOS OCDS Data/Add�ess pin� fo� EV �hip only.

HT66F0185 Datasheet(PDF) 13 Page - Holtek Semiconductor Inc

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