HT82M398A(2000) Datasheet PDF - Holtek Semiconductor

General Description
The HT82M398A is a Plug and Play WIN2000 and 5-button 3D PS/2 mouse controller. It is also compatible with Microsoft Intelli 3D PS/2 and IBM PS/2 mouse. The Z axis can support two kinds of scroller input, namely; mechanical and optomechanical.

FEATUREs
• Compatible with Microsoft Windows 2000 and 5-button Wheel Mouse
• Compatible with Microsoft Intelli 3D PS/2 and IBM PS/2 mouse
• Supports rolling buttons in PS/2 mouse mode
• X/Y axis photo input with built-in Holteks special dynamic photo-input resistor
• Supports three buttons and three axes (X, Y, Z) inputs
• Z axis can support two kinds of scroller input (optomechanical and mechanical)
• 2MHz RC oscillator for system frequency with external pull-high resistor
• 16-pin DIP package