ht82m98a Holtek Semiconductor Inc., ht82m98a Datasheet

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ht82m98a

Manufacturer Part Number
ht82m98a
Description
Ht82m98a -- 3-key 3d Usb+ps/2 Mouse Controller
Manufacturer
Holtek Semiconductor Inc.
Datasheet
Features
General Description
HT82M98A is a 3D mouse controller especially de-
signed for USB and PS/2 applications. The HT82M98A
can support the USB Standard Request as well as HID
Class Request version 1.1. It is compatible with
Microsoft Intelli 3D PS/2 mouse. The X/Y axis photo in-
put with built-in Holtek s special dynamic photo-input re-
sistor and Z axis can support two kinds of scroller input,
Block Diagram
Rev. 2.00
Operating voltage: 4.4V~5.25V
Complete Universal Serial Bus specs V1.1
compatibility
Serial Bus Interface Engine (SIE)
USB transceiver
Microsoft 3D Intelli mouse and IBM PS/2 mouse
compatible
Supports three buttons (R, M, L) and three axes
(X, Y, Z) input
Z axis can only support encoder which divided by 2
3-Key 3D USB+PS/2 Mouse Controller
1
namely; optomechanical and mechanical. It requires
minimal external components to implement 3D USB
plus PS/2 mouse. It can be briefly described as a Holtek
8-bit MCU with an on-chip USB interface logic. The
USB is specified by the Universal Serial Bus Specifica-
tion V1.1.
Single chip solution especially for USB mouse
function
HALT function and wake-up feature reduce power
consumption
Plug and Play functions
Minimal external components
6MHz crystal oscillator for system clock
18/20-pin DIP package
HT82M98A
October 31, 2006

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ht82m98a Summary of contents

Page 1

... Supports three buttons ( and three axes ( input Z axis can only support encoder which divided by 2 General Description HT82M98A mouse controller especially de- signed for USB and PS/2 applications. The HT82M98A can support the USB Standard Request as well as HID Class Request version 1. compatible with Microsoft Intelli 3D PS/2 mouse ...

Page 2

... Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliabil- ity. Rev. 2.00 Description +6V Storage Temperature ............................ 125 C SS +0.3V Operating Temperature........................... +0.3V 33O 2 HT82M98A October 31, 2006 ...

Page 3

... No load, system HALT 3 3.5 3.3V 2.8 5V 3.5 V =0. =4. =4. Test Conditions Min. V Conditions DD 5V Power-up or wake-up form HALT 3 HT82M98A Ta=25 C Typ. Max. Unit 5. 250 3 100 150 k Ta=25 C Typ. Max. ...

Page 4

... Layout 0.1 F capacitor, 22 resistor and 0.01 F capacitor as close to VDD pin as possible. Layout power plane and ground plane as large as possible. Place 0.1 F capacitor as close to RESET pin as possible. Place 6MHz crystal as close to OSC1 and OSC2 pins as possible. Components with * are used for EMC issue. Rev. 2.00 4 HT82M98A October 31, 2006 ...

Page 5

... Package Information 18-pin DIP (300mil) Outline Dimensions Symbol Rev. 2.00 Dimensions in mil Min. Nom. 895 240 125 125 16 50 100 295 335 0 5 HT82M98A Max. 915 260 135 145 20 70 315 375 15 October 31, 2006 ...

Page 6

... DIP (300mil) Outline Dimensions Symbol Rev. 2.00 Dimensions in mil Min. Nom. 1020 240 125 125 16 50 100 295 335 0 6 HT82M98A Max. 1045 260 135 145 20 70 315 375 15 October 31, 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. 2.00 7 HT82M98A October 31, 2006 ...

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