파트넘버.co.kr SC83702 데이터시트 PDF


SC83702 반도체 회로 부품 판매점

ALL IN ONE MOUSE CONTROLLER



Silan Microelectronics 로고
Silan Microelectronics
SC83702 데이터시트, 핀배열, 회로
Silan
Semiconductors
SC83702
ALL IN ONE MOUSE CONTROLLER
DESCRIPTION
The SC83702 Mouse Controller is specially designed to control
mouse device. This single chip can interface three key-switches and
four photo-couple direct to RS-232C. The SC83702 does not need
any external power supply, so the mouse can go without a power
line. It is versatile with both microsoft and mouse system.
Debouncing circuit were provided to prevent false entry and to
improve the accuracy. In 1200 baud rate non-auto speed with 200
DPI wheels and photo-couples, the scanning is 650mm/sec without
missing a dot in microsoft mode, and the scanning speed can up to
770mm/sec in mouse system mode.
SOP-16
DIP-16
FEATURES
*Built-in two zener diode between VDD and VSS, RTS and VDD
*Built-in noise immunity circuit
*CMOS DIP 16 pins package&SOP 16 pins package
*Low power dissipation
*Use 32.768KHz crystal or 3.58MHz resonator
*Oscillator circuits on-chip
*Serial output in 1200 baud rate
*Can be powered directly from RS-232C
*Can drive directly to RS-232C
*Three key-switches and four photo-couples inputs
*Both key-in and key-release debounce interval 13ms
*Through three key-switches input,
SC83702 can exert seven different output
*The sampling rate of motion detector is
65KHz
APPLICATIONS
*Optical mouse or pen-mouse
*Mechanical mouse or pen-mouse
*Optomechanical mouse or pen-mouse
*Mechanical track ball
*Optomechanical track ball
PIN CONFIGURATIONS
RS 1
16 VDD
MS 2
15 OPT
OSCI 3
14 Y2
OSCO 4
13 Y1
SC83702A
RTS 5
12 X2
RXD 6
11 X1
VSS 7
10 L
R8
9M
RS 1
16 VDD
OPT 2
15 Y2
MS 3
14 Y1
OSCI 4
13 X2
SC83702B
OSCO 5
12 X1
RTS 6
11 L
RXD 7
10 M
VSS 8
9R
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
1


SC83702 데이터시트, 핀배열, 회로
Silan
Semiconductors
BLOCK DIAGRAM
OPT 2
VDD
16
X1 12
X2 13
Y1 14
MOTION
DETECTOR
NOISE
IMMUNITY
Y2 15
L 11
M 10 DEBOUNCE
R9
MS 3
RS 1
OSCO 5
OSCI 14
SYSTEM
CLOCK
GENERATOR
RTS 6
SC83702
Vss
8
MULTI-
PLEXER
P/S
MODE
SELECTOR
TIMING
CONTROLLER
LEVEL
SHIFT
CIRCUIT
7 RXD
NOTE: The pin numbers refer to SC83702B.
ABSOLUTE MAXIMUM RATINGS (Tamb=25°C, unless otherwise specified)
Characteristic
Value
Supply Voltage
VDD- Vss
RTS-Vss
-0.3~+7.0
-0.3~+14
Temperature Under Bias
0~70
Storage Temperature
-65~+150
Power Dissipation
600
Unit
V
V
°C
°C
mW
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
2




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SC83702 controller

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ALL IN ONE MOUSE CONTROLLER - Silan Microelectronics