SC84510 ETC, SC84510 Datasheet - Page 5

• Manufacturer Part Number: SC84510
• Description: PS/2 SCROLLING MOUSE CONTROLIER
• Manufacturer: ETC

OSC OUT
OSCR
DATA
OPT
CLK
V
V
X1
X2
Y1
Y2
Z1
Z2
M
R
L
SS
DD
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Silan
Semiconductors
I/O
I/O
I/O
O
I
I
I
I
INPUT: 200k
When OPT is connected to V
be the output of X1, while M will be the output of X2. Toggling R key can change
these output to be Y1, Y2 or Z1, Z2 respectively.
OUTPUT: 2kHz Z-axis LED-driving source.
“1” = V
High duty is about 60 s.
RC mode oscillation with 50k
Connect to 8042 auxiliary port CLK line.
Connect to 8042 auxiliary port DATA line.
Three key-switches inputs.
200k
Three step dynamic input impedance.
Use current comparator to measure photo-couples “ON”, or “OFF”.
Z-axis input.
Photo mode: Three steps dynamic input impedance. Current comparator input.
Key mode: 200k
Voltage mode: 200k
Mechanical mode: 13.2k
Negative power.
Power line.
DD
resistor pull low.
, “0” = floating
pull low to V
resistor pull low. 7 levels increased by “M” key.
resistor pull low. 7 levels voltage comparator.
5
resistor pull low.
SS
DD
.
resistor.
, SC84510 will enter test mode. In test mode, L will
Rev: 1.0
2000.12.31