Silan
Semiconductorsꢀ
SC84502
ꢀ
TIMING DIAGRAM
(1) Photo-couples pulse width
X1(Y1)
X2(Y2)
Tr
Tf
(2) PS/2 Mouse
(A) Receiving Data
1st
CLK
2rd
CLK
9th
CLK
10th
CLK
11th
CLK
Inhibit
CLK
Tmca
Tmci
Tmdc
DATA
Line
Control
Bit
Start
Bit
Parity
Bit
Stop
Bit
Bit0-Bit7
(B) Sending Data
1st
2nd
10th
11th
CLK
CLK
CLK
CLK
CLK
Tscl
Tsca
Tpi
Tsdc
Tscd
DATA
Start
Bit
Parity
Bit
Stop
Bit
Bit0-Bit7
AC TIMING POINT
Output:
VDD-2.6
VSS+0.4
DATA
CLK PIN(PS/2 mouse mode)
VSS+1.6
Input:
X1, X2, Y1, Y2 PIN
VSS
VDD-0.8
V
SS+0.8
CLK, DATA PIN
L, M, R PIN
V
DD
V
SS
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
ꢀ
2000.12.31
Rev: 1.0
ꢀ
11
SILAN [ SILAN MICROELECTRONICS JOINT-STOCK ]
