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HT46R066D

Enhanced A/D Type MCU with High Current LED Driver

Holtek Semiconductor 

HT46R064D/065D/066D

Enhanced A/D Type 8-Bit OTP MCU with LED Driver

Pin Description

HT46R064D

Pin Name

Function OPT I/T

O/T

Description

PA0

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

PAWK

PA0/INT/AN0

INT

¾

ST

¾ External interrupt input

ADCR

AN0

PCR AN

¾ A/D channel 0

PAPU

PA1

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

PA1/PFD/AN1

PFD CTRL0 ¾ CMOS PFD output

AN1

ADCR

PCR

AN

¾ A/D channel 1

PA2

PAPU

PAWK

ST

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

PA2/TC0/AN2

TC0

¾

ST

¾ External Timer 0 clock input

AN2

ADCR

PCR

AN

¾ A/D channel 2

PA3

PAPU

PAWK

ST

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

PA3/[INT]/[AN3]

INT

¾

ST

¾ External interrupt input

AN3

ADCR AN

PCR

¾ A/D channel 3

PA4/[PWM0]

PA4

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

PAWK

PWM0 CTRL0 ¾ CMOS PWM 0 output

PAPU

PA5

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

PA5/AN3/OSC2

ADCR

AN3

PCR AN

¾ A/D channel 3

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

¾ OSC Oscillator pin

PA7/PWM0/RES

PA7

PAPU

PAWK

ST

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

PWM0 CTRL0 ¾ CMOS PWM 0 output

RES

CO ST

¾ Reset input

PB0/[PFD]

PB0

PFD

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

CTRL0 ¾ CMOS PFD output

PB1/[INT]

PB1

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

INT

¾

ST

¾ External interrupt input

Rev. 1.00

4

January 12, 2011

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