HT82M398 Holtek Semiconductor Inc, HT82M398 Datasheet

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HT82M398

Manufacturer Part Number
HT82M398
Description
WIN2000 3D 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
Pin Assignment
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
WIN2000 3D PS/2 Mouse Controller
1
·
·
·
·
and IBM PS/2 mouse. The 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 in-
put (optomechanical and mechanical)
2MHz RC oscillator for system frequency
with external pull-high resistor
16-pin DIP package
HT82M398A
February 22, 2000

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HT82M398 Summary of contents

Page 1

... 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 Pin Assignment HT82M398A · Supports three buttons and three axes ...

Page 2

... Description Pressing the button connects to high. Pressing the button connects to high. Pressing the button connects to high. Storage Temperature.................-50°C to 125°C +0.3V Operating Temperature ..............-25°C to 70° HT82M398A February 22, 2000 ...

Page 3

... V = =0. ¾ 5V ¾ 1 =0V 3 ¾ ¾ 2.2 See Dynamic resistor 5V ¾ Photo_R: R-V 3 HT82M398A Ta=25°C 5.0 5.5 V ¾ 2.2 V ¾ 1.5 V ¾ ¾ 0.8 V ¾ 5 ¾ ¾ mA 1.0 V ¾ ¾ 125 kW ¾ ...

Page 4

... Wheel Mouse Specification. ¨ Any time the PC sends a reset ²FFh² com- mand to the mouse, it will reset the mouse to Standard PS/2 mode. ¨ After power-on reset is initiated, the mouse is set to Standard PS/2 mode HT82M398A February 22, 2000 ...

Page 5

... Timing Diagrams X, Y axis photo-coupler cross width X/Y/Z axis counting HT82M398A 5 February 22, 2000 ...

Page 6

... PS/2 mouse · Data output · Data input HT82M398A 6 February 22, 2000 ...

Page 7

... Application Circuits HT82M398A Z axis optomechanical (this application circuit is for reference only) HT82M398A Z axis mechanical (this application circuit is for reference only) HT82M398A 7 February 22, 2000 ...

Page 8

... 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. HT82M398A 8 February 22, 2000 ...

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