3/5-Key PS/2 Optical Mouse Controller Operating voltage: 4.0V~5.5

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3/5-Key PS/2 Optical Mouse Controller Operating voltage: 4.0V~5.5

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HT82M35X
3/5-Key PS/2 Optical Mouse Controller
Operating voltage: 4.0V~5.5V Microsoft Intelli mouse PS/2 mouse Serial interface with ADNS-5020 Auto detect which photo sensor used 2MHz oscillator system frequency with
compatible
Microsoft Windows 2000 5-button Wheel mouse
external pull-high resistor (121kW)
Interface compliant with ADNS-5020 16-pin package
compatible
Z-axis support kinds scroller input
divided (package option)
Supports 1000 ADNS-5020
(package option)
General Description
HT82M35X designed 3/5-key PS/2 optical mouse controller. These have serial interface access sensor ADNS-5020 same compatible series sensor. Refer datasheets detailed register descriptions sensors.
Selection Table
Part HT82M35A/HT82M35A-1 HT82M35B/HT82M35B-1 3/5-key PS/2 optical mouse controller HT82M35C/HT82M35C-1 (for Avago ADNS-5020) HT82M35D/HT82M35D-1 Interface X/Y-axis Option Avago Sensor Opto Avago Sensor Opto 1000 Avago Sensor Opto Avago Sensor Opto 1000 Z-axis Option Divided Divided Divided Divided Package
Assignment
Rev. 1.20
December 2008
HT82M35X
Description
Name Description Right Button: Normal pull-high resistor (30kW) Rolling Button: Normal pull-high resistor (30kW) Left Button: Normal pull-high resistor (30kW) axis input supports three kinds scroller input Normal pull-high resistor (30kW) Input ports with 30kW pull-high resistor
Z2/A, Z1/B RB1, SDIO SCLK OSCI PS2CK PS2D
Serial data Agilent sensor SDIO Serial data Agilent sensor SCLK
Negative power supply, ground Chip reset input, active
positive power supply 2MHz oscillator system frequency with external pull-high resistor (121kW)
connection PS/2 mouse line PS/2 mouse data line
Absolute Maximum Ratings
Supply Voltage .VSS-0.3V VSS+6.0V Input Voltage .VSS-0.3V VSS+6.0V Storage Temperature .-50°C 125°C Operating Temperature.-40°C 85°C
Note: These stress ratings only. Stresses exceeding range specified under Maximum cause substantial damage device. Functional operation this device other conditions beyond those listed specification implied prolonged exposure extreme conditions affect device reliability.
D.C. Characteristics
Symbol VIL1 VIH1 VIL2 VIH2 Parameter Operating Voltage Operating Current Test Conditions Conditions fSYS=2MHz load, fSYS=2MHz VOL=0.1VDD VOL=0.9VDD Min. 0.7VDD 0.9VDD Typ. Max. 0.3VDD 0.4VDD
Ta=25°C Unit
Input Voltage RB1, RB0, SDIO, PS2CK PS2D Input High Voltage RB1, RB0, SDIO, PS2CK PS2D Input Voltage Input High Voltage Port Sink Current Port Source Current
Pull-high Resistance RB1, RB0, SDIO, PS2CK PS2D
Rev. 1.20
December 2008
HT82M35X
A.C. Characteristics
Symbol tWDTOSC tWDT1 tRES Parameter Watchdog Oscillator Period Watchdog Time-out Period External Reset Pulse Width Test Conditions Conditions Without prescaler Min. Typ. Max. Ta=25°C Unit
Functional Description
PS/2 Mouse
PS/2 status byte
movement towards right positive, moving towards left negative upward movement positive, moving down negative rolling towards user positive, else negative Button status: 1=pressed, 0=released
Mouse mode changes between Standard
Byte Reserved 0=Stream Mode, 1=Remote Mode 0=Disabled, 1=Enabled 0=Scaling 1:1, 1=Scaling 1=Wrap Mode, 0=Stream Remote (different from specs.) 1=Left Button Pressed 1=Middle Button Pressed 1=Right Button Pressed Byte current resolution setting (Bit 0=LSB) Byte current sampling rate (Bit 0=LSB)
Standard PS/2 data format
PS/2 mode Sending commands following sequence will mouse PS/2 mode. Command Response From Mouse FAh,
Variable rps, bidirectional, synchronous word word word
Mouse mode changes between Standard Win2K
Data format PS/2
PS/2 mode. Sending commands following sequence will mouse Win2K PS/2 mode. Command Response From Mouse FAh,
Variable rps, bidirectional, synchronous word word word word
data report 9-bit complement data report 8-bit complement
Data format 5-button Wheel Mouse
word word word word
time sends reset command mouse, will reset mouse Standard PS/2 mode. After power-on reset initiated, mouse Standard PS/2 mode.
Rev. 1.20
December 2008
HT82M35X
Timing Diagrams
Z-Axis Photo-coupler Cross Width
Z-Axis Counting
PS/2 Mouse
Data output
itio llin itio
Data input
itio
Rev. 1.20
December 2008
HT82M35X
Application Circuits
PS/2 Optical Mouse ADNS-5020
PS/2 Optical Mouse ADNS-5020
Win2K PS/2 Optical Mouse ADNS-5020
Rev. 1.20
December 2008
HT82M35X
HT82M35X Z-Axis Optomechanical (This Application Circuit Reference Only)
Note:
resistor value selection, refer high input level D.C. Characteristics table. recommended value 6kW.
Rev. 1.20
December 2008
HT82M35X
Package Information
16-pin (300mil) Outline Dimensions
Fig1. Full Lead Packages
MS-001d (see fig1)
Fig2. Lead Packages
Symbol
MS-001d (see fig2)
Dimensions Min. Nom. Max.
Symbol
Dimensions Min. Nom. Max.
Rev. 1.20
December 2008
HT82M35X
MO-095a (see fig2)
Symbol
Dimensions Min. Nom. Max.
Rev. 1.20
December 2008
HT82M35X
Holtek Semiconductor Inc. (Headquarters) No.3, Creation 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, 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) Room, 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) Unit Productivity Building, Gaoxin 2nd, Middle Zone 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 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 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, 94538 Tel: 1-510-252-9880 Fax: 1-510-252-9885 http://www.holtek.com
Copyright 2008 HOLTEK SEMICONDUCTOR INC. information appearing this Data Sheet believed accurate time publication. However, Holtek assumes responsibility arising from specifications described. applications mentioned herein used solely purpose illustration Holtek makes warranty representation that such applications will suitable without further modification, recommends products application that present risk human life malfunction otherwise. products authorized critical components life support devices systems. Holtek reserves right alter products without prior notification. most up-to-date information, please visit site http://www.holtek.com.tw.
Rev. 1.20
December 2008

3/5-Key PS/2 Optical Mouse Controller Operating voltage: 4.0V~5.5

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