HT46R01B-1 Ver la hoja de datos (PDF) - Holtek Semiconductor

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HT46R01B-1

Small Package 8-Bit OTP MCU

Holtek Semiconductor 

HT46R01B-1/HT46R01N-1

HT48R01B-1/HT48R01N-1

Pin Description

The function of each pin is listed in the following tables, however the details behind how each pin is configured is con-

tained in the other individual peripheral function sections.

HT46R01B-1

Pin Name Function OPT I/T O/T

Description

PA0/AN0

PA0

PAPU

PAWK

ST

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

AN0 ADCR OPAI ¾ Analog to Digital Converter channel input 0

PA1/PFD/AN1

PA1

PFD

PAPU

PAWK

ST

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

CTRL0 ¾ CMOS PFD output

AN1 ADCR ¾ OPAO Analog to Digital Converter channel input 1

PA2/TC0/AN2

PA2

PAPU

PAWK

ST

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

TC0 TMR0C ST

¾ External Timer 0 clock input

AN2 ADCR ¾ OPAO Analog to Digital Converter channel input 2

PA3

PAPU

PAWK

ST

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

PA3/INT/AN3

INT

INTC0

CTRL1

ST

¾ External interrupt input

AN3 ADCR OPAI ¾ Analog to Digital Converter channel input 3

PA4/TC1/PWM

PA4

PAPU

PAWK

ST

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

TC1 TMR1C ST

¾ External Timer 1 clock input

PWM CTRL0 ¾ CMOS PWM output

PA5/OSC2

PA5

PAPU

PAWK

ST

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

OSC2 CO ¾ OSC Oscillator pin

PA6/OSC1

PA6

OSC1

PAPU

PAWK

ST

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

CO OSC ¾ Oscillator pin

PA7/RES

PA7

RES

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

CO ST

¾ Reset input

VDD

VDD

¾ PWR ¾ Power supply

VSS

VSS

¾ PWR ¾ Ground

Note:

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

I/T: Input type

O/T: Output type

CO: Configuration option

ST: Schmitt Trigger input

AN: analog input;

CMOS: CMOS output

NMOS: NMOS output

OSC: Oscillator pin

PWR: Power

*: AVDD is the ADC power supply and is bonded together internally with VDD while AVSS is the ADC ground

pin and is bonded together internally with VSS.

Rev.1.00

3

June 9, 2011

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