EM84530 Datasheet, PDF (11/14 Pages) ELAN Microelectronics Corp – 2-IN-ONE MOUSE CONTROLLER

EM84530
2-IN-ONE MOUSE CONTROLLER
Preliminary
AC ELECTRICAL CHARACTERISTICS (T_A=25°C to 70°C)
PS/2 mouse mode :
Parameters
Sym. Min. Typ. Max.
Unit
Oscillating Frequency
Fosc 37.0-3% 37.0 37.0+3% KHz
Key Debounce
Tkd
-
12
-
ms
Rising Edge Crossed Width
Tr
13.5
-
-
us
Falling Edge Crossed Width
Tf
13.5
-
-
us
Mouse CLK Active Time
Tmca
-
40.5
-
us
Mouse CLK Inactive Time
Tmci
-
40.5
-
us
Time that Mouse Sample DATA from
CLK rising Edge
Tmdc
-
13.5
-
us
System CLK Active Time
Tsca
-
40.5
-
us
System CLK Inactive Time
Tsci
-
40.5
-
us
Time from DATA Transition to Falling Edge of CLK Tsdc
-
13.5
-
us
Time from rising Edge of CLK to DATA Transition
Tscd
-
27.0
-
us
Time to mouse Inhibit after the 11th CLK to
Tpi
0
-
ensure mouse does not start another Transmission
50
us
Serial mouse mode :
Parameters
Oscillating Frequency
Key Debounce
Rising Edge Crossed Width
Falling Edge Crossed Width
Transmission Time
Start bit Time
Data bit time
Stop bit Time
Mode code delay Time
X1, X2,Y1,Y2 Input Impedance
Max. ^16.0K
15.0K
14.0K
Typ. _13.0K
Min.
12.0K
11.0K
10.0.K
9.0K
8.0K
7.0K
6.0K
5.0K
4.0K
3.0K
2.0K
1.0K
0
1.0
10.0M
Sym.
Fosc
Tkd
Tr
Tf
Tmx
Ts
Td
Tp
Trd
Min.
32.4-3%
-
15.4
15.4
-
-
-
-
11
Typ.
32.4
13
-
-
33.33
833.3
833.3
833.3
-
Max.
32.4+3%
-
-
-
-
-
-
-
14
Unit
KHz
ms
us
us
ms
us
us
us
ms
2.0
3.0
VOLTS (LIN)
4.0
5.0
* This specification are subject to be changed without notice.
6.28.1999 11