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SC83702 데이터시트 PDF




Silan Microelectronics에서 제조한 전자 부품 SC83702은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 SC83702 기능
기능 ALL IN ONE MOUSE CONTROLLER
제조업체 Silan Microelectronics
로고 Silan Microelectronics 로고


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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 pdf, 반도체, 판매, 대치품
Silan
Semiconductors
SC83702
AC TIMING TEST POINT
OUTPUT: RXD pin
VRTS-2.4V
Vss+0.8V
INPUT:X1,X2,Y1,Y2 pins
RTS pin
Other pins
1.3V
0.7V
2VDD
Vss
VDD
Vss
X1,X2,Y1,Y2 INPUT IMPEDANCE
UNIT:K
17.0
16.0
15.0
14.0
13.0
12.0
11.0
10.0
9.0
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0
MAX.
TYP.
MIN.
1.0
2.0 3.0
INPUT VOLTAGE
4.0
5.0
PIN DESCRIPTION
Pin Name
I/O
RS I
RXD
O
Description
Crystal type select: "0" or floating. select 32.768KHz crystal. "1" select 3.58MHz
resonator.
There are 8 or 7 bits in each data byte.
Using parallel-in and serial-out components, the data bytes are shifted out from bit 0
through the high bits. SC83702 will transmit the data while the status of three key
switches or the state of the horizontal counter or vertical counter is changed.
(to be continued)
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
4

4페이지










SC83702 전자부품, 판매, 대치품
Silan
Semiconductors
SC83702
TIMING DIAGRAM
(A) P/S Output
Key in/release
Mouse RXD
Microsoft RXD
Tms
Tmx
Tms
Tmx
(B) Bytes Structure
Mouse RXD
1st 2nd 3rd 4th 5th
Microsoft RXD
1st 2nd 3rd
(C) Bits Structure
(1) Mouse
RXD LINE
Data bit no.
01234567
Ts Td Td Td Td Td Td Td Td Tp
01
(2) Microsoft
RXD LINE
Data bit no.
0123456
Ts Td Td Td Td Td Td Td Tp Tp
01
(D) Mode Select Timing
(1) Mouse system
RTS
Trd
RXD
two byte
"C8" code
Reset code
"C8" Bit no.
Ts 0 1 2 3 4 5 6 7 Tp
(2) Microsoft
RTS
RXD
Reset code
"CD" Bit no.
Trd
"CD"
code
Ts 0 1 2 3 4 5 6 7 Tp
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
7

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부품번호상세설명 및 기능제조사
SC83702

ALL IN ONE MOUSE CONTROLLER

Silan Microelectronics
Silan Microelectronics

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