HT82M398A

WIN2000 3D PS/2 Mouse Controller Features · · · · HT82M398A 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 Holtek¢s 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 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. Pin Assignment Z 1 1 2 3 4 5 6 7 8 Z 2 V D D B 5 V S S O S C I C L K D A T A 1 6 1 5 1 4 1 3 1 2 1 1 1 0 9 Y 2 Y 1 X 2 X 1 B 4 L B R 0 R B H T 8 2 M 3 9 8 A 1 6 D IP 1 February 22, 2000 HT82M398A Pin Description Pin No. 1, 2 3 4 5 6 7 8 Pin Name Z1, Z2 VDD B5 VSS OSCI CLK DATA I/O I ¾ I ¾ I I/O I/O Description Z, axis input supports two kinds of scroller input, namely; optomechanical and mechanical. Positive power supply Button 5, normal pull-low (50kW), Press connect to high. Negative power supply 2MHz RC oscillator for system frequency with external pull-high resistor and built-in Capacitor. CLK I/O, PS/2 mouse CLK line. NMOS open drain output with 5kW pull-high resistor....