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HT82M39A(16DIP) Datasheet

  • HT82M39A(16DIP)

  • Controller Miscellaneous - Datasheet Reference

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  • ETC

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HT82M39A
3D PS/2 Mouse Controller
Feature
路
Microsoft Intelli 3D PS/2 and IBM PS/2 mouse com-
路
Z axis can support two kinds of scroller input
patible
路
Supports rolling buttons in PS/2 mouse mode
路
X/Y axis photo input with built-in Holtek壟s special dy-
(optomechanical and mechanical)
路
2MHz RC oscillator for system frequency with an ex-
ternal pull-high resistor
路
16-pin DIP package
namic photo-input resistor
路
Supports three buttons and three axis (X, Y, Z) in-
puts
General Description
The HT82M39A is a Plug and Play PS/2 3D mouse con-
troller. It is compatible with Microsoft Intelli 3D PS/2
mouse. The Z axis can support two kinds of scroller input,
namely; optomechanical and mechanical.
Pin Assignment
Z 1
1
2
3
4
5
6
7
8
Z 2
V D D
N C
V S S
O S C I
C L K
D A T A
1 6
1 5
1 4
1 3
1 2
1 1
1 0
9
Y 2
Y 1
X 2
X 1
T E S T
L B
R 0
R B
H T 8 2 M 3 9 A
1 6 D IP -A
Pin Description
Pin No.
1, 2
3
4
5
6
7
8
Pin Name
Z1, Z2
VDD
NC
VSS
OSCI
CLK
DATA
I/O
I
Description
虜Z虜
axis input supports two kinds of scroller input; optomechanical and mechanical.
戮
Positive power supply
戮
No connection
戮
Negative power supply, ground
I
I/O
I/O
2MHz RC oscillator for system frequency with external pull-high resistor and
built-in C
虜CLK
I/O虜: PS/2 mouse CLK line. NMOS open drain output with 5kW pull-high resis-
tor.
虜DATA
I/O虜: PS/2 mouse DATA line. NMOS open drain output with 5kW pull-high
resistor.
Right Button: Normal pull-low (50kW),
Pressing the button connects to high.
Rolling Button: Normal pull-low (50kW),
Pressing the button connects to high.
Left Button: Normal pull-low (50kW),
Pressing the button connects to high.
For IC manufacture testing, user should leave it floating.
X/Y axis photo input with built-in Holtek壟s special dynamic photo input resistor
9~11
RB, RO, LB
I
12
13~16
TEST
X1, X2, Y1, Y2
I
I
Rev. 1.20
1
August 20, 2002

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