HT45F3W datasheet(10/167 Pages) HOLTEK

10 / 167 page

Rev. 1.50

De�e��e� 01� �01�

Rev. 1.50

De�e��e� 01� �01�

HT45F3W

R-Type Blood Pressure Meter Flash MCU

HT45F3W

R-Type Blood Pressure Meter Flash MCU

Pin Name

Function

OPT

I/T

O/T

Description

PB3/S1CK/

TP�_0/AN3

PB3

PBPU

CMOS

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

If the pull-high is ena�led� the pin will �e �onne�ted

via a �esisto� to VOCHP. (It is �e�o��ended that the

�ha�ge pu�p is ena�led to p�event leakage.)

S1CK

SPI1C0

—

SPI1 Se�ial Clo�k

TP�_0

—

CMOS TM� output

AN3

ADCR

—

A/D �hannel 3

PB4

PBPU

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

PB5/AUD

PB5

PBPU

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

AUD

—

CMOS Audio DAC output

PC0/INT1/

TCK1

PC0

PCPU

CMOS

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

If the pull-high is ena�led� the pin will �e �onne�ted

via a �esisto� to VOCHP. (It is �e�o��ended that the

�ha�ge pu�p is ena�led to p�event leakage.)

INT1

—

Exte�nal Inte��upt 1

TCK1

TM1C0

—

TM1 input

PC1/SCKO/

TP1_1

PC1

PCPU

CMOS

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

If the pull-high is ena�led� the pin will �e �onne�ted

via a �esisto� to VOCHP. (It is �e�o��ended that the

�ha�ge pu�p is ena�led to p�event leakage.)

SCKO

SCKOC

—

CMOS SCK output f�equen�y pin

TP1_1

—

CMOS TM1 output

PC�/S0CS/

TP1_0

PC�

PCPU

CMOS

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

If the pull-high is ena�led� the pin will �e �onne�ted

via a �esisto� to VOCHP. (It is �e�o��ended that the

�ha�ge pu�p is ena�led to p�event leakage.)

S0CS

SPI0C0

—

SPI0 Slave Sele�t

TP1_0

—

CMOS TM1 output

PC3/S0CK/

TCK0

PC3

PCPU

CMOS

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

If the pull-high is ena�led� the pin will �e �onne�ted

via a �esisto� to VOCHP. (It is �e�o��ended that the

�ha�ge pu�p is ena�led to p�event leakage.)

S0CK

SPI0C0

—

SPI0 Se�ial Clo�k

TCK0

TM0C0

—

TM0 input

PC4/S0DI/

TP0_1

PC4

PCPU

CMOS

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

If the pull-high is ena�led� the pin will �e �onne�ted

via a �esisto� to VOCHP. (It is �e�o��ended that the

�ha�ge pu�p is ena�led to p�event leakage.)

S0DI

SPI0C0

—

SPI0 Data input

TP0_1

—

CMOS TM0 output

PC5/S0DO/

TP0_0

PC5

PCPU

CMOS

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

If the pull-high is ena�led� the pin will �e �onne�ted

via a �esisto� to VOCHP. (It is �e�o��ended that the

�ha�ge pu�p is ena�led to p�event leakage.)

S0DO

SPI0C0

—

CMOS SPI0 Data output

TP0_0

—

CMOS TM0 output

PC�/CHPC�

PC�

PCPU

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

CHPC�

—

Capa�ito� �onne�ted �etween CHPC1 and CHPC�

PD0/SEG0~

PD7/SEG7

PDn

PDPU

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

SEGn

SEGCR

—

SEG LCD SEG0~SEG7 output

HT45F3W Datasheet(PDF) 10 Page - Holtek Semiconductor Inc

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