HT66F4530 datasheet(19/224 Pages) HOLTEK

19 / 224 page

Rev. 1.00

De�e��e� �1� �01�

Rev. 1.00

De�e��e� �1� �01�

HT66F4530/HT66F4540/HT66F4550

A/D Flash MCU with Dual Operational Amplifiers

HT66F4530/HT66F4540/HT66F4550

A/D Flash MCU with Dual Operational Amplifiers

Pin Name

Function

OPT

I/T

O/T

Description

PD0/C0XO/SCK/

SCL

PD0

PDPU

PDS0

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

C0XO

PDS0

—

Co�pa�ato� 0 output

SCK

PDS0

IFS

CMOS SPI se�ial �lo�k

SCL

PDS0

IFS

NMOS I�C �lo�k line

PD1/C0PI

PD1

PDPU

PDS0

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

C0PI

PDS0

—

Co�pa�ato� 0 non-inve�ting input pin

PD�/A0NI

PD�

PDPU

PDS0

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

A0NI

PDS0

—

Operational Amplifier 0 inverting input pin

PD3/A0PI

PD3

PDPU

PDS0

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

A0PI

PDS0

—

Operational Amplifier 0 non-inverting input pin

VDD/AVDD/

IOVDD*

VDD

—

PWR

—

Powe� Supply

AVDD

—

PWR

—

A/D Conve�te� Powe� Supply

IOVDD

—

PWR

—

I/O Po�t Powe� Supply

VSS/AVSS/

IOVSS**

VSS

—

PWR

—

G�ound

AVSS

—

PWR

—

A/D Conve�te� G�ound

IOVSS

—

PWR

—

I/O Po�t G�ound

Legend:I/T:Inputtype;

O/T:Outputtype;

OPT:Optionalbyregisteroption;

PWR:Power;

ST:SchmittTriggerinput;

CMOS:CMOSoutput;

NMOS:NMOSoutput;

AN:Analogsignal;

HXT:Highfrequencycrystaloscillator;

LXT:Lowfrequencycrystaloscillator;

*:TheAVDDandIOVDDpinsarebondedtogetherinternallywithVDD.

**:TheAVSSandIOVSSpinsarebondedtogetherinternallywithVSS.

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