HT82M938T/HT82M938R

27MHz 3D PS2 Mouse Controller

Pin Assignment

Pin Description

Transmitter

Pin No.

Pin Name

I/O

Description

1, 20

Z1, Z2

I

Z-axis input supports two kinds of scroller input; optomechanical and mechani-

cal.

2, 3, 4, 5, 6 R, M, L, B4, B5

I

Input ports with pull-high 12k

W resistor. These pads can function as Left, Right,

Middle, B4 and B5 button lines.

7

VSS

¾ Negative power supply, ground

9, 10

X, X2

I

X-axis photo input

11, 12

Y1, Y2

I

Y-axis photo input

13

RESET

I

Chip reset input, low active

14

VDD

¾ 5V positive power supply

15

OSC1

I

6MHz OSC input

16

OSC2

O

6MHz OSC output

Rev. 1.30

1

October 29, 2002

Features

5-Button Wheel Mouse

PS/2 mouse compatible

( X,Y,Z)input

scroller input

mitter and 6MHz for receiver

package

General Description

The HT82M938T/HT82M938R is a Plug & Play 27MHz

RF 5 Buttons 3D PS/2 mouse controller transmitter and

receiver. It is compatible with Microsoft Intelli 3D PS/2

Wheel Mouse. The operation of the Z axis can support

optomechanical and mechanical scroller input.

1 6

1 5

1 4

1 3

1 2

1 1

1 0

9

1

2

3

4

5

6

7

8

2 0

1 9

1 8

1 7

1 6

1 5

1 4

1 3

1 2

1 1

1

2

3

4

5

6

7

8

9

1 0

Z 1

R

M

L

B 4

B 5

V S S

N C

X 1

X 2

Z 2

I R _ O N

R . _ O U T

R . _ E N

O S C 2

O S C 1

V D D

R E S E T

Y 2

Y 1

N C

D A T A

N C

N C

N C

V S S

N C

C L K

N C

L E D

R E S _ C H

O S C 2

O S C 1

V D D

R E S E T

R . _ I N

H T 8 2 M 9 3 8 T

2 0 S O P - A

H T 8 2 M 9 3 8 R

1 6 S O P - A

T r a n s m i t t e r

R e c e i v e r