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.

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 (140kΩ)

• Interface compliant with ADNS-5020

• 16-pin DIP package