HT82M32A Datasheet, PDF (1/11 Pages) Holtek Semiconductor Inc – 3/5-Key 3D PS/2 Optical Mouse Controller

HT82M32A/HT82M32B
3/5-Key 3D PS/2 Optical Mouse Controller
Feature
· Operating voltage: 4.0V~5.5V
· Microsoft Intelli 3D PS/2 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)
· Serial interface with PAN101, PAN301, PAN3101
· Auto detect as to which photo sensor is used
· 2MHz RC oscillator for system frequency with
external pull-high resistor (140kW)
· 16-pin DIP package
General Description
The HT82M32A/HT82M32B are designed as 2D, 3D
3/5-key PS/2 optical mouse controller. These have se-
rial interface to access the PixArt sensor PAN101,
PAN301, PAN3101 or the same compatible series sen-
sor. Refer to the datasheets for detailed register de-
scriptions of the PixArt sensors.
Selection Table
Part No.
HT82M32A
HT82M32B
Z-axis Option
Divided by 2
Divided by 4
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 2 A /H T 8 2 M 3 2 B
1 6 D IP -A
Rev. 1.00
1
January 24, 2006