MDT80C06 Datasheet, PDF (2/21 Pages) List of Unclassifed Manufacturers – PS2 optical 2D/3D, 3/5 key mouse controller

5. Pin Function Description
MDT80C06
PS2 optical 2D/3D, 3/5 key mouse controller
Symbol
V_dd
PD
Z1
Z2
CLK
DATA
Vss
R
M
L
K4
K5
SCK
SDIO
OSCRH
I/O
Function Description
+5V
I/O
Photo-sensor power down control (Open Drain output). Also used as
rotation selection.
Internal 100K ohm pull-high.
=1 for sensor in vertical position
=0 for sensor rotating 90 degree clockwise
I
Z-axis input for Photo Sensor or Mechanical resistors. Internal weak
I
pull low.
I/O
Connect to 8042 auxiliary port CLK line in PS/2 mode.
Internal 10K ohm pull high.
I/O
Connect to 8042 auxiliary port DATA line in PS/2 mode. Internal 10K
ohm pull high.
Ground
I
Three Key-switches inputs. Internal 50K ohm pull high.
I
I
I
The 4^th and 5^th button inputs. Internal 100K ohm pull high. Also used
to select 2D/3D and 3/5 key mouse.
I/O
Serial clock output to optical mouse sensor. Internal 100K ohm pull
high. Also used to select Z/2 or Z/4
I/O
Serial data input/output to optical mouse sensor. Internal 100K ohm
pull high.
I
Connect a resistor to Vdd to adjust internal RC freq.
6.Data Reporting
2D
Bit 7
Bit 6
Bit 5
Bit 4
Bit 3
Bit 2
Bit1
Bit0
Byte 1
Y ovfl
X ovfl
Y sign
X sign
1
Middle
Right
Left
Byte 2
X data
Byte 3
Y data
This specification is subject to be changed without notice. Please visit our web site for the most updated information.
http://www.mdtic.com.tw
P.2
2003/9 V1.2