HT82M32B Datasheet PDF - Holtek Semiconductor

General Description
The HT82M32A/HT82M32B are designed as 2D, 3D 3/5-key PS/2 optical mouse controller. These have serial interface to access the PixArt sensor PAN101, PAN301, PAN3101 or the same compatible series sensor. Refer to the datasheets for detailed register descriptions of the PixArt sensors.

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 (140kΩ)
• 16-pin DIP package