HT66F60 datasheet(17/298 Pages) HOLTEK

17 / 298 page

Rev. 1.90

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Rev. 1.90

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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

Pin Description

Withtheexceptionofthepowerpins,allpinsonthesedevicescanbereferencedbytheirPortname,

e.g.PA.0,PA.1etc,whichrefertothedigitalI/Ofunctionofthepins.HoweverthesePortpinsare

alsosharedwithotherfunctionsuchastheAnalogtoDigitalConverter,SerialPortpinsetc.The

functionofeachpinislistedinthefollowingtable,howeverthedetailsbehindhoweachpinis

configurediscontainedinothersectionsofthedatasheet.

ThefollowingtablesonlyincludethepinswhicharedirectlyrelatedtotheMCU.Thepin

descriptionsoftheadditionalperipheralfunctionsarelocatedattheendofthedatasheetalongwith

therelevantperipheralfunctionfunctionaldescription.

HT66F20

Pin Name

Function

I/T

O/T

Pin-Shared Mapping

PA0~PA7

Po�t A

PAWU

PAPU

CMOS

—

PB0~PB5

Po�t B

PBPU

CMOS

—

PC0~PC�

Po�t C

PCPU

CMOS

—

AN0~AN7

ADC inp�t

ACERL

—

PA0~PA7

VRE�

ADC �efe�ence inp�t

ADCR1

—

PB5

C0-� C1-

Compa�ato� 0� 1 inp�t

CP0C

CP1C

—

PA�� PC�

C0+� C1+

Compa�ato� 0� 1 inp�t

—

PA�� PC�

C0X� C1X

Compa�ato� 0� 1 o�tp�t

—

CMOS PA0� PA5

TCK0� TCK1

TM0� TM1 inp�t

—

PA�� PA4

TP0_0

TM0 I/O

TMPC0

CMOS PA0

TP1_0� TP1_1

TM1 I/O

TMPC0

CMOS PA1� PC0

INT0� INT1

Ext. Inte��pt 0� 1

—

PA�� PA4

PINT

Pe�iphe�al Inte��pt

—

PC�

PCK

Pe�iphe�al Clock o�tp�t

—

CMOS PC�

SDI

SPI Data inp�t

—

PA6

SDO

SPI Data o�tp�t

—

CMOS PA5

SCS

SPI Slave Select

—

CMOS PB5

SCK

SPI Se�ial Clock

—

CMOS PA7

SCL

I�C Clock

—

NMOS PA7

SDA

I�C Data

—

NMOS PA6

SCOM0~SCOM� SCOM0~SCOM�

SCOMC

—

SCOM PC0� PC1� PC�� PC�

OSC1

HXT/ERC pin

HXT

—

PB1

OSC�

HXT pin

—

HXT

PB�

XT1

LXT pin

LXT

—

PB�

XT�

LXT pin

—

LXT

PB4

RES

Reset inp�t

—

PB0

VDD

Powe� s�ppl�*

—

PWR

—

AVDD

ADC powe� s�ppl�*

—

PWR

—

VSS

G�o�nd**

—

PWR

—

AVSS

ADC g�o�nd**

—

PWR

—

Note:I/T:Inputtype;

O/T:Outputtype

OP:Optionalbyconfigurationoption(CO)orregisteroption

PWR:Power;

CO:Configurationoption; ST:SchmittTriggerinput

CMOS:CMOSoutput;

NMOS:NMOSoutput

SCOM:SoftwarecontrolledLCDCOM;

AN:Analoginputpin

HT66F60 Datasheet(PDF) 17 Page - Holtek Semiconductor Inc

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