HT67F488 datasheet(12/171 Pages) HOLTEK

12 / 171 page

Rev. 1.60

1�

�ove��e� �� 016

HT67F488/HT67F489

TinyPowerTM A/D Flash MCU with LCD & EEPROM

Pin Name

Function

OPT

I/T

O/T

Description

PE5/A�5/COM5/

TCK�

PE5

PEPU

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

A�5

ACERL

A�

—

A/D channel 5

COM5

LCDC0

—

CMOS LCD co��on output

TCK�

—

TM� input

PE6/A�6/COM6

PE6

PEPU

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

A�6

ACERL

A�

—

A/D channel 6

COM6

LCDC0

—

CMOS LCD co��on output

PE7/A�8/COM7

PE7

PEPU

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

A�8

ACERH

A�

—

A/D channel 8

COM7

LCDC0

—

CMOS LCD co��on output

PF4/SEG16/RX

PF4

PFPU

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

SEG16

SEGCR�

—

CMOS LCD seg�ent output

—

Exte�nal UART RX se�ial data input pin

PF5/SEG17/TX

PF5

PFPU

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

SEG17

SEGCR�

—

CMOS LCD seg�ent output

—

CMOS Exte�nal UART TX se�ial data output pin

PF6/SEG18/I�T0

PF6

PFPU

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

SEG18

SEGCR�

—

CMOS LCD seg�ent output

I�T0

—

Exte�nal Inte��upt 0

PF7/SEG19/

I�T1/TP0_1

PF7

PFPU

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

SEG19

SEGCR�

—

CMOS LCD seg�ent output

I�T1

—

Exte�nal Inte��upt 1

TP0_1

TMPC

CMOS TM0 I/O

AVDD

—

PWR

—

ADC Powe� Supply

VDD

—

PWR

—

Powe� Supply

AVSS

—

PWR

—

ADC G�ound

VSS

—

PWR

—

G�ound

Note:I/T:Inputtype;

O/T:Outputtype

OPT:Optionalbyregisteroption

PWR:Power;

ST:SchmittTriggerinput

CMOS:CMOSoutput;

AN:AnalogSignal

LXT:Lowfrequencycrystaloscillator

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