HT82M35X Datasheet, PDF (1/7 Pages) Holtek Semiconductor Inc – 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
compatible
· Microsoft Windows 2000 and 5-button Wheel mouse
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)
· Serial interface with ADNS-5020
· Auto detect as to which photo sensor is used
· 2MHz RC oscillator for system frequency with
external pull-high resistor (140kW)
· Interface compliant with ADNS-5020
· 16-pin DIP package
General Description
The HT82M35X are designed as 3/5-key 3D PS/2 opti-
cal mouse controller. These have serial interface to ac-
cess the sensor ADNS-5020 or the same compatible
series sensor. Refer to the datasheets for detailed regis-
ter descriptions of the sensors.
Selection Table
Part No.
Interface
X/Y-axis Option
HT82M35A/HT82M35A-1
Avago Sensor
Opto 500 DPI
HT82M35B/HT82M35B-1 _{3/5-key 3D PS/2 optical}
mouse controller
HT82M35C/HT82M35C-1 ^{(for Avago ADNS-5020)}
Avago Sensor
Opto 1000 DPI
Avago Sensor
Opto 500 DPI
HT82M35D/HT82M35D-1
Avago Sensor
Opto 1000 DPI
Z-axis Option
Divided by 2
Divided by 2
Divided by 4
Divided by 4
Package
16 DIP
Pin Assignment
RB 1
LB 2
Z 2 /A 3
Z 1 /B 4
RB1 5
S D IO
6
S C LK 7
VSS 8
16 R O
15 R B 0
14 P S 2D
13 P S 2C K
12 N C
11 O S C 1
10 V D D
9 RES
H T 8 2 M 3 5 A /H T 8 2 M 3 5 A -1
H T 8 2 M 3 5 B /H T 8 2 M 3 5 B -1
H T 8 2 M 3 5 C /H T 8 2 M 3 5 C -1
H T 8 2 M 3 5 D /H T 8 2 M 3 5 D -1
1 6 D IP -A
Rev. 1.00
1
May 30, 2007