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PDF MDT80C04 Data sheet ( Hoja de datos )
| Número de pieza | MDT80C04 | |
| Descripción | Low Cost Scrolling Mouse Controller for PS/2 | |
| Fabricantes | Micon Design | |
| Logotipo |  |
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MDT80C04
1. General Description
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
photo-sensors during manufacture.
2. Features
l Compatible with IBM PS/2 mouse.
l Compatible with Microsoft PS/2 scrolling mouse.
l Internal Power-On reset (POR).
l Auto resistance matching circuit for X1 X2 Y1 Y2.
l Internal RC oscillation about 6.5MHz ~7.5MHz .
external resistor to adjust internal RC frequency
l Motion Detector Sample Rate 25KHZ.
l Three key-switches and six photo-couples inputs,
or three key-switches and one rotate switch inputs,
four photo-couples inputs.
l Low power dissipation.
l 2 type Z direction input.
1. Photo couples input Z/2
2. Mechanical input Z/2
l Cost Saving 16 PIN DIP, 16 PIN SOP Package
4. Pin Assignment
MDT80C04A1P / MDT80C04A1S
X1 1
X2 2
Y1 3
Y2 4
Vdd 5
NC 6
OSCRH 7
OPT 8
16 Z2
15 Z1
14 CLK
13 DATA
12 Vss
11 L
10 M
9R
MDT80C04A2P/MDT80C04A2S
Vdd 1
16 OSCRL
OPT 2
15 Y2
Z1 3
14 Y1
Z2 4
13 X2
CLK 5
12 X1
DATA 6
11 L
NC 7
10 M
Vss 8
9R
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
1 page  
MDT80C04
(m). Status Request (E9)
The mouse return the status to system with 3-byte status report
Byte1:
Bit Description
0 1=Right button pressed
1 1=Middle button pressed
2 1=Left button pressed
3 Reserved
4 0=Normal speed, 1=Autospeed
5 0=Disabled, 1=Enabled
6 0=Stream mode, 1=Remote mode
7 Reserved
Byte2: Current resolution setting (D0-D7)
Byte3: Current sampling rate (D0-D7)
(n) Set Resolution (E8, XX)
Resolution is set as follows
Second Byte XX
00
01
02
03
Resolution
8 dots/count
4 dots/count
2 dots/count
1 dots/count
(o) Set Auto speed (E7)
Not supported. The MDT80C04 just responses FA
(p). Reset Autospeed (E6)
Not supported. The MDT80C04 just responses FA
( ). Microsoft PS/2 scrolling mouse mode
(a) When MDT80C04 received the following consecutive command.
i. F3 C8 ----set report rate 200/sec
ii. F3 64 ----set report rate 100/sec
iii. F3 50 ----set report rate 80/sec
Then it will enter the INTELI Scrolling mode
(b) The mouse will return FA 03 to read device type command (F2).
(c) Data report will be four bytes format.
(d) The mouse will exit the Microsoft PS/2 scrolling mode only if power off or a reset command(FF) is received.
This specification is subject to be changed without notice. Please visit our web site for the most updated information.
http://www.mdtic.com.tw
5 of 12
10/29/2002 Ver. 1.1
5 Page 
11. Pad Diagram
11.1 MDT80C04A1:
MDT80C04
This specification is subject to be changed without notice. Please visit our web site for the most updated information.
http://www.mdtic.com.tw
11 of 12
10/29/2002 Ver. 1.1
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MDT80C04.PDF ] | |
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