HT46R005 データシートの表示（PDF） - Holtek Semiconductor

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HT46R005

Small Package 8-Bit OTP MCU

Holtek Semiconductor 

HT48R005/HT46R005

Pin Description

HT48R005

Pin Name

PA0/BZ

PA1/BZ

PA2/TMR/INT

PA5/OSC2

PA6/OSC1

PA7/RES

VDD

VSS

Function OPT I/T O/T

Description

PA0

PAPU ST CMOS General purpose I/O. Register enabled pull-up and wake-up.

PAWK

BZ CTRL0 ¾ CMOS Buzzer output pin

PA1

PAPU

PAWK

ST

CMOS General purpose I/O. Register enabled pull-up and wake-up.

BZ CTRL0 ¾

¾ Buzzer complementary output pin

PAPU

PA2

PAWK ST CMOS General purpose I/O. Register enabled pull-up and wake-up.

TMR

¾

ST

¾ External Timer clock input

INT

¾

ST

¾ External interrupt input

PAPU

PA5

PAWK ST CMOS General purpose I/O. Register enabled pull-up and wake-up.

OSC2

CO

¾ OSC Oscillator pin

PA6

PAPU ST CMOS General purpose I/O. Register enabled pull-up and wake-up.

PAWK

OSC1

CO OSC ¾ Oscillator pin

PA7 PAWK ST NMOS General purpose I/O. Register enabled wake-up.

RES

CO ST

¾ Reset input

VDD

¾ PWR ¾ Power supply

VSS

¾ PWR ¾ Ground

Note:

I/T: Input type

O/T: Output type

OPT: Optional by configuration option (CO) or register option

PWR: Power

CO: Configuration option

ST: Schmitt Trigger input

CMOS: CMOS output

Rev. 1.20

7

September 26, 2012

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