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MDT80C04

Micon Design
Part Number MDT80C04
Manufacturer Micon Design
Description Low Cost Scrolling Mouse Controller for PS/2
Published May 1, 2005
Detailed Description MDT80C04 1. General Description 4. Pin Assignment The MDT80C04 is a Low Cost Scrolling Mouse Controller for PS/2 (3D,2D)...
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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