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HT82M35X

3 / 5-Key 3D PS / 2 Optical Mouse Controller

HT82M35X
3 / 5-Key 3D PS / 2 Optical Mouse Controller
Feature
· Operating voltage: 4.0V~5.5V · Microsoft 3D Intelli mouse and IBM PS / 2 mouse · Serial interface with ADNS-5020 · Auto detect as to which photo sensor is used · 2MHz RC oscillator for system frequency with
compatible
· Microsoft Windows 2000 and 5-button Wheel mouse
external pull-high resistor (121kW)
· Interface compliant with ADNS-5020 · 16-pin DIP package
compatible
· Z-axis can support two kinds of scroller input
divided by 2 or 4 (package option)
· Supports 500 or 1000 DPI for ADNS-5020
(package option)
General Description
The HT82M35X are designed as 3 / 5-key 3D PS / 2 optical mouse controller. These have serial interface to access the sensor ADNS-5020 or the same compatible series sensor. Refer to the datasheets for detailed register descriptions of the sensors.
Selection Table
Part No. HT82M35A / HT82M35A-1 HT82M35B / HT82M35B-1 3 / 5-key 3D PS / 2 optical mouse controller HT82M35C / HT82M35C-1 (for Avago ADNS-5020) HT82M35D / HT82M35D-1 Interface X / Y-axis Option Avago Sensor Opto 500 DPI Avago Sensor Opto 1000 DPI Avago Sensor Opto 500 DPI Avago Sensor Opto 1000 DPI Z-axis Option Divided by 2 Divided by 2 16 DIP Divided by 4 Divided by 4 Package
Pin Assignment
Rev. 1.20
December 31, 2008
HT82M35X
Pin Description
Z2 / A, Z1 / B RB1, RB0 SDIO SCLK VSS RES VDD OSCI NC PS2CK PS2D
I / O Serial data for Agilent sensor IC SDIO O Serial data for Agilent sensor IC SCLK
Absolute Maximum Ratings
Supply Voltage ..............VSS-0.3V to VSS+6.0V Input Voltage ...............VSS-0.3V to VSS+6.0V Storage Temperature ..............-50°C to 125°C Operating Temperature..............-40°C to 85°C
D.C. Characteristics
Pull-high Resistance for RB, LB, RO, Z1, 5V Z2, RB1, RB0, SDIO, PS2CK and PS2D
Rev. 1.20
December 31, 2008
HT82M35X
A.C. Characteristics
Functional Description
PS / 2 Mouse
· PS / 2 status byte
· Mouse mode changes between Standard and 3D
· Standard PS / 2 data format
PS / 2 mode Sending the commands in the following sequence will set the mouse to 3D PS / 2 mode. Command F3h C8h F3h 64h F3h 50h 0 F2h X0 Y0 Response From Mouse FAh FAh FAh FAh FAh FAh FAh, 03h
Variable rps, 0, 8, 1, bidirectional, synchronous Bit No. 1st word 2nd word 3rd word 7 X7 Y7 6 X6 Y6 5 X5 Y5 4 X4 Y4 3 1 X3 Y3 2 X2 Y2 1 X1 Y1 YV XV YS XS MB RO LB
· Mouse mode changes between Standard and Win2K
· Data format for 3D PS / 2
PS / 2 mode. Sending the commands in the following sequence will set the mouse to Win2K PS / 2 mode. Command Response From Mouse FAh FAh FAh FAh FAh FAh FAh, 04h
Variable rps, 0, 8, 1, bidirectional, synchronous Bit No. 1st word 2nd word 3rd word 4th word 7 X7 Y7 Z7 6 X6 Y6 Z6 5 X5 Y5 Z5 4 X4 Y4 Z4 3 1 X3 Y3 Z3 2 X2 Y2 Z2 1 X1 Y1 Z1 0 X0 Y0 Z0 YV XV YS XS MB RO LB
F3h C8h F3h C8h F3h 50h F2h
· Data format for 5-button Wheel Mouse
Bit No. 1st word 2nd word 3rd word 4th word
RB1 RB0 Z3
Rev. 1.20
December 31, 2008
HT82M35X
Timing Diagrams
Z-Axis Photo-coupler Cross Width
Z-Axis Counting
PS / 2 Mouse
· Data output
· Data input
Rev. 1.20
December 31, 2008
HT82M35X
Application Circuits
2D PS / 2 Optical Mouse for ADNS-5020
3D PS / 2 Optical Mouse for ADNS-5020
Win2K PS / 2 Optical Mouse for ADNS-5020
Rev. 1.20
December 31, 2008
HT82M35X
HT82M35X Z-Axis Optomechanical (This Application Circuit is for Reference Only)
Note:
For resistor value selection, refer to high or low input level of Z1 and Z2 in the D.C. Characteristics table. The recommended value is 6kW.
Rev. 1.20
December 31, 2008
HT82M35X
Package Information
16-pin DIP (300mil) Outline Dimensions
Fig1. Full Lead Packages
· MS-001d (see fig1)
Fig2. 1 / 2 Lead Packages
· MS-001d (see fig2)
Rev. 1.20
December 31, 2008
HT82M35X
· MO-095a (see fig2)
Rev. 1.20
December 31, 2008
HT82M35X
Holtek Semiconductor Inc. (Headquarters) No.3, Creation Rd. II, Science Park, Hsinchu, Taiwan Tel: 886-3-563-1999 Fax: 886-3-563-1189 http://www.holtek.com.tw Holtek Semiconductor Inc. (Taipei Sales Office) 4F-2, No. 3-2, YuanQu St., Nankang Software Park, Taipei 115, Taiwan Tel: 886-2-2655-7070 Fax: 886-2-2655-7373 Fax: 886-2-2655-7383 (International sales hotline) Holtek Semiconductor Inc. (Shanghai Sales Office) G Room, 3 Floor, No.1 Building, No.2016 Yi-Shan Road, Minhang District, Shanghai, China 201103 Tel: 86-21-5422-4590 Fax: 86-21-5422-4705 http://www.holtek.com.cn Holtek Semiconductor Inc. (Shenzhen Sales Office) 5F, Unit A, Productivity Building, Gaoxin M 2nd, Middle Zone Of High-Tech Industrial Park, ShenZhen, China 518057 Tel: 86-755-8616-9908, 86-755-8616-9308 Fax: 86-755-8616-9722 Holtek Semiconductor Inc. (Beijing Sales Office) Suite 1721, Jinyu Tower, A129 West Xuan Wu Men Street, Xicheng District, Beijing, China 100031 Tel: 86-10-6641-0030, 86-10-6641-7751, 86-10-6641-7752 Fax: 86-10-6641-0125 Holtek Semiconductor Inc. (Chengdu Sales Office) 709, Building 3, Champagne Plaza, No.97 Dongda Street, Chengdu, Sichuan, China 610016 Tel: 86-28-6653-6590 Fax: 86-28-6653-6591 Holtek Semiconductor (USA), Inc. (North America Sales Office) 46729 Fremont Blvd., Fremont, CA 94538 Tel: 1-510-252-9880 Fax: 1-510-252-9885 http://www.holtek.com
Rev. 1.20
December 31, 2008