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MDT80C04

Micon Design
Part Number MDT80C04
Manufacturer Micon Design
Published May 1, 2005
Description Low Cost Scrolling Mouse Controller for PS/2
Detailed Description MDT80C04 1. General Description 4. Pin Assignment The MDT80C04 is
Datasheet PDF File MDT80C04 PDF File

MDT80C04
MDT80C04


Overview
MDT80C04 1.
General Description 4.
Pin Assignment The MDT80C04 is a Low Cost Scrolling Mouse Controller for PS/2 (3D,2D) only.
The auto resistance matching circuits are built in to prevent the adjustment in the resistance of MDT80C04A1P / MDT80C04A1S X1 X2 Y1 Y2 Vdd NC OSCRH OPT 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 Z2 Z1 CLK DATA Vss L M R photo-sensors during manufacture.
2.
Features l l l l l Compatible with IBM PS/2 mouse.
Compatible with Microsoft PS/2 scrolling mouse.
Internal Power-On reset (POR).
Auto resistance matching circuit for X1 X2 Y1 Y2.
Internal RC oscillation about 6.
5MHz ~7.
5MHz .
external resistor to adjust internal RC frequency l l Motion Detector Sample Rate 25KHZ.
Three key-switches and six photo-couples inputs, or three key-switches and one rotate switch inputs, four photo-couples inputs.
l l Low power dissipation.
2 type Z direction input.
1.
Photo couples input Z/2 2.
Mechanical input Z/2 l Cost Saving¡G 16 PIN DIP, 16 PIN SOP Package MDT80C04A2P/MDT80C04A2S Vdd OPT Z1 Z2 CLK DATA NC Vss 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 OSCRL Y2 Y1 X2 X1 L M R 3.
Applications 2D/3D PS/2 scrolling mouse This specification is subject to be changed without notice.
Please visit our web site for the most updated information.
http://www.
mdtic.
com.
tw 1 of 12 10/29/2002 Ver.
1.
1 MDT80C04 5.
Pin Function Description Symbol X1 X2 Y1 Y2 Vdd N/C OSCRH OSCRL OPT I I I I/O I I I I +5V No connect Connect a resistor to Vdd to adjust internal RC freq.
for A1.
Connect a resistor to Vss to adjust internal RC freq.
for A2.
Input pin with 100K ohm pull-high.
=1 3D mouse =0 2D mouse R M L Vss DATA I/O I I I Ground Connect to 8042 auxiliary port DATA line in PS/2 mode.
Internal 10K ohm pull high.
CLK I/O Connect to 8042 auxiliary port CLK line in PS/2 mode.
Internal 10K ohm pull high.
Z1 Z2 I I Z-axis input for Photo Sensor or Mechanical resistors.
Three Key-switches inputs.
Internal 50K ohm pull-high for A1 and 50K pull-low.
for A2 Connect to photo sensors for X,Y ...


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