ht82m398a Holtek Semiconductor Inc., ht82m398a Datasheet

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ht82m398a

Manufacturer Part Number
ht82m398a
Description
Ht82m398a -- 5-key 3d Win2000 Ps/2 Mouse Controller
Manufacturer
Holtek Semiconductor Inc.
Datasheet
Features
General Description
The HT82M398A is a Plug and Play WIN2000 and
5-button 3D PS/2 mouse controller. It is also compatible
with Microsoft Intelli 3D PS/2 and IBM PS/2 mouse. The
Pin Assignment
Pin Description
Rev. 1.40
Pin No.
1, 2
3
4
5
6
7
8
9~11
12
13~16
Operating Voltage: 4.75V~5.25V
Compatible with Microsoft Windows 2000 and
5-button Wheel Mouse
Compatible with Microsoft Intelli 3D PS/2 and IBM
PS/2 mouse
Supports rolling buttons in PS/2 mouse mode
X/Y axis photo input with built-in Holtek s special
dynamic photo-input resistor
Z1, Z2
VDD
B5
VSS
OSCI
CLK
DATA
RB, RO, LB
B4
X1, X2, Y1, Y2
Pin Name
I/O
I/O
I/O
I
I
I
I
I
I
Z, axis input supports two kinds of scroller input, namely; optomechanical and me-
chanical.
Positive power supply
Button 5, normal pull-low (50k ), Press connect to high.
Negative power supply
2MHz RC oscillator for system frequency with external pull-high resistor and built-in
Capacitor.
CLK I/O, PS/2 mouse CLK line. NMOS open drain output with 5k pull-high resistor.
DATA I/O, PS/2 mouse DATA line. NMOS open drain output with 5k pull-high re-
sistor.
Right Button: Normal pull-low (50k ),
Rolling Button: Normal pull-low (50k ),
Left Button: Normal pull-low (50k ),
Button 4, normal pull-low (50k ), Press connect to high.
X/Y axis photo input with built-in Holtek s special dynamic photo input resistor
5-Key 3D WIN2000 PS/2 Mouse Controller
Pressing the button connects to high.
Pressing the button connects to high.
Pressing the button connects to high.
1
Z axis can support two kinds of scroller input, namely;
mechanical and optomechanical.
Supports three buttons and three axes (X, Y, Z)
inputs
Z axis can support two kinds of scroller input
(optomechanical and mechanical)
2MHz RC oscillator for system frequency with
external pull-high resistor
16-pin DIP package
Description
HT82M398A
October 12, 2006

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ht82m398a Summary of contents

Page 1

... Supports rolling buttons in PS/2 mouse mode X/Y axis photo input with built-in Holtek s special dynamic photo-input resistor General Description The HT82M398A is a Plug and Play WIN2000 and 5-button 3D PS/2 mouse controller also compatible with Microsoft Intelli 3D PS/2 and IBM PS/2 mouse. The Pin Assignment Pin Description Pin No ...

Page 2

... OSC 5V R =130k 1.6 OSC 2 2 =0. 1.8 V = 2.2 5V See Dynamic resistor characteristics Photo_R: R-V 2 HT82M398A Ta=25 C Typ. Max. Unit 5.0 5. 2.4 MHz 1 0 125 k 1 October 12, 2006 ...

Page 3

... Any time the PC sends a reset FFH command the mouse, it will reset the mouse to Standard PS/2 mode After power-on reset is initiated, the mouse is set Standard PS/2 mode HT82M398A ...

Page 4

... X/Y/Z Axis Counting PS/2 Mouse Data output Data input Rev. 1.40 HT82M398A 4 October 12, 2006 ...

Page 5

... Application Circuits HT82M398A Z Axis Optomechanical (This Application Circuit is for Reference Only) HT82M398A Z Axis Mechanical (This Application Circuit is for Reference Only) Note: R depends on IR characteristics, R=1k for reference only Rev. 1.40 HT82M398A 5 October 12, 2006 ...

Page 6

... Package Information 16-pin DIP (300mil) Outline Dimensions Symbol Rev. 1.40 Dimensions in mil Min. Nom. 745 240 125 125 16 50 100 295 335 0 6 HT82M398A Max. 775 260 135 145 20 70 315 375 15 October 12, 2006 ...

Page 7

... Holtek s products are not authorized for use as critical components in life support devices or systems. Holtek reserves the right to alter its products without prior notification. For the most up-to-date information, please visit our web site at http://www.holtek.com.tw. Rev. 1.40 HT82M398A 7 October 12, 2006 ...

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