Pin Assignment

Pin Description

HT46R01T3

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

AN

¾

A/D channel 0

PA1/PFD/AN1

PA1

PAPU

PAWK

ST

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

PFD

CTRL0

¾

CMOS PFD output

AN1

ADCR

AN

¾

A/D channel 1

PA2/TMR0/AN2

PA2

PAPU

PAWK

ST

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

TC0

¾

ST

¾

External Timer 0 clock input

AN2

ADCR

AN

¾

A/D channel 2

PA3/INT/AN3

PA3

PAPU

PAWK

ST

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

INT

¾

ST

¾

External interrupt input

AN3

ADCR

AN

¾

A/D channel 3

PA4/TMR1/PWM

PA4

PAPU

PAWK

ST

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

TC1

¾

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

PAPU

PAWK

ST

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

OSC1

CO

OSC

¾

Oscillator pin

PA7/RES

PA7

PAWK

ST

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

RES

CO

ST

¾

Reset input

Rev. 1.30

4

November 23, 2010

HT46R01T3/HT48R01T3

8-Bit OTP MCU with RF Transmitter

H T 4 6 R 0 1 T 3

1 6 N S O P - A

P B 1 / D O U T

P A 3 / I N T / A N 3

P A 2 / T M R 0 / A N 2

P A 1 / P F D / A N 1

P A 0 / A N 0

V S S

A V S S

P A O U T

P A 4 / P W M / T M R 1

P A 5 / O S C 2

P A 6 / O S C 1

P A 7 / R E S

V D D

X O U T

X I N

A V D D

1 6

1 5

1 4

1 3

1 2

1 1

1 0

9

1

2

3

4

5

6

7

8

H T 4 8 R 0 1 T 3

1 6 N S O P - A

1 6

1 5

1 4

1 3

1 2

1 1

1 0

9

1

2

3

4

5

6

7

8

P B 1 / D O U T

P A 3 / I N T

P A 2 / T M R 0

P A 1 / P F D

P A 0

V S S

A V S S

P A O U T

P A 4 / T M R 1

P A 5 / O S C 2

P A 6 / O S C 1

P A 7 / R E S

V D D

X O U T

X I N

A V D D