HT56R23 데이터 시트보기 (PDF) - Holtek Semiconductor

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HT56R23

TinyPower™ A/D Type 8-Bit OTP MCU with DAC

Holtek Semiconductor 

HT56R22/HT56R23/HT56R24/HT56R25/HT56R26

Pin Name

PB1/SCS0/SCOM1

PB2/PCLK/SCOM2

PB3/PINT/SCOM3

PB4/BZ

PB5/BZ/AUD

PC0/OSC1

PC1/OSC2

PC2/XT1

PC3/XT2

PC7/RES

PD0/PWM0/SDI0/SDA

PD1/PWM1/SDO0

PD2/PWM2/SCS1

VDD

VSS

Function OPT

I/T O/T

Description

PB1

PBPU ST CMOS General purpose I/O. Register enabled pull-up.

SCS0

CO

ST CMOS SPI0 select control pin

SIMCTL0

SCOM1 SCOMC ¾ SCOM Software controlled 1/2 bias LCD COM

PB2

PBPU ST CMOS General purpose I/O. Register enabled pull-up.

PCLK

CO

¾

SIMCTL0

CMOS Peripheral clock output

SCOM2 SCOMC ¾ SCOM Software controlled 1/2 bias LCD COM

PB3

PBPU ST CMOS General purpose I/O. Register enabled pull-up.

PINT

¾

ST

¾ Peripheral interrupt input, falling edge trigger

SCOM3 SCOMC ¾ SCOM Software controlled 1/2 bias LCD COM

PB4

PBPU ST CMOS General purpose I/O. Register enabled pull-up.

BZ

CO

¾

¾ Buzzer output

PB5

PBPU ST CMOS General purpose I/O. Register enabled pull-up.

BZ

CO

¾

¾ Buzzer bar output

AUD

CO

DACTRL

AO Audio output

PC0

PCPU ST CMOS General purpose I/O. Register enabled pull-up.

OSC1

CO

AN

¾ Oscillator pin

PC1

PCPU ST CMOS General purpose I/O. Register enabled pull-up.

OSC2

CO

¾ CMOS Oscillator pin

PC2

PCPU ST CMOS General purpose I/O. Register enabled pull-up.

XT1

CO

¾ CMOS Oscillator pin

PC3

PCPU ST CMOS General purpose I/O. Register enabled pull-up.

XT2

CO

¾ LXT Oscillator pin

PC7

PCPU ST NMOS General purpose I/O. Register enabled pull-up.

RES

CO

ST

¾ Reset input

PD0

PDPU ST CMOS General purpose I/O. Register enabled pull-up.

PWM0 PINMAP ¾ CMOS PWM0 output

SDI0

CO

ST

SIMCTL0

¾ SPI0 serial data input

SDA

CO

ST

SIMCTL0

OD I2C data input or output

PD1

PDPU ST CMOS General purpose I/O. Register enabled pull-up.

PWM1 PINMAP ¾ CMOS PWM1 output

CO

SDO0

¾ CMOS SPI0 serial data output

SIMCTL0

PD2

PDPU ST CMOS General purpose I/O. Register enabled pull-up.

PWM2 PINMAP ¾ CMOS PWM2 output

SCS1

CO

ST CMOS SPI1 chip select pin

SPICTL0

VDD

¾

PWR ¾ Power supply

VSS

¾

PWR ¾ Ground

Rev. 1.30

6

December 26, 2014

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