HT82M938T/HT82M938R
27MHz 3D PS2 Mouse Controller
Features
·
·
Compatible with Microsoft Windows 2000 and
Z axis can support optomechanical and mechanical
5-Button Wheel Mouse
scroller input
·
·
Compatible with Microsoft Intelli 3D PS/2 and IBM
Crystal oscillator system frequency 6MHz for trans-
PS/2 mouse compatible
mitter and 6MHz for receiver
·
·
Supports rolling buttons in 3D PS/2 mouse mode
27MHz Single Channel with 8 ID Code
·
·
Supports five buttons (R,M,L,B4,B5) and three axes
Transmitter 20-pin SOP and receiver 16-pin SOP
( X,Y,Z)input
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.
Pin Assignment
T
r
a
n
s
m
i
t
t
e
r
R
e
c
e
i
v
e
r
Z
1
2
1
1
1
1
1
1
1
1
1
0
9
8
7
6
5
4
3
2
1
Z
2
1
2
3
4
5
6
7
8
9
1
R
I
R
_
O
N
M
R
ꢀ
ꢀ
_
_
O
E
U
T
N
C
N
C
E
1
2
3
4
5
6
7
8
1
1
1
1
1
1
1
6
5
4
3
2
1
0
9
L
R
N
D
A
T
A
L
E
D
B
B
4
5
O
S
S
C
C
2
1
N
N
N
C
C
C
R
S
_
C
H
O
O
S
S
C
C
2
1
V
S
S
V
D
D
S
O
N
C
R
E
E
T
V
S
S
V
D
D
S
X
X
1
2
Y
Y
2
1
N
C
R
R
E
ꢀ
E
T
C
L
K
_
I
N
0
H
T
8
2
M
9
3
8
T
H
T
8
2
M
9
3
8
R
2
0
S
O
P
-
A
1
6
S
O
P
-
A
Pin Description
Transmitter
Pin No.
1, 20
Pin Name
Z1, Z2
I/O
Description
Z-axis input supports two kinds of scroller input; optomechanical and mechani-
cal.
I
Input ports with pull-high 12kW resistor. These pads can function as Left, Right,
2, 3, 4, 5, 6 R, M, L, B4, B5
I
Middle, B4 and B5 button lines.
7
VSS
Negative power supply, ground
X-axis photo input
¾
I
9, 10
11, 12
13
X, X2
Y1, Y2
RESET
VDD
I
Y-axis photo input
I
Chip reset input, low active
5V positive power supply
6MHz OSC input
14
¾
I
15
OSC1
OSC2
16
O
6MHz OSC output
Rev. 1.30
1
October 29, 2002