SC83702 PDF даташит
Спецификация SC83702 изготовлена «Silan Microelectronics» и имеет функцию, называемую «ALL IN ONE MOUSE CONTROLLER». |
|
Детали детали
Номер произв | SC83702 |
Описание | ALL IN ONE MOUSE CONTROLLER |
Производители | Silan Microelectronics |
логотип |
10 Pages
No Preview Available ! |
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
No Preview Available ! |
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
No Preview Available ! |
Silan
Semiconductors
SC83702
DC ELECTRICAL CHARACTERISTICS (Tamb=25~70°C, VDD=5.6V)
Parameter
Symbol Min Typ Max Unit
Operating Voltage
VDD
VRTS
--
--
-- 6.5 V
-- 13 V
Operating Current (VDD=5.4V, RTS=VDD, 32.768kHz, No Load) Iop
--
-- 0.6 mA
Operating Current (VDD=6.2V, RTS=VDD, 32.768kHz, No Load) Iop
3
--
-- mA
Operating Current (VDD=5.4V, RTS=VDD, 3.58MHz, No Load) Iop
--
-- 1.6 mA
Operating Current (VDD=6.2V, RTS=VDD, 3.58MHz, No Load) Iop
4
--
-- mA
RTS Operating Current (VDD=5.6V, RTS=11V)
IRTS
--
-- 0.6 mA
RTS Operating Current (VDD=5.6V, RTS=11.8V)
IRTS
3
--
-- mA
RXD High Output Current (Vrh=Vrts-2.6V)
Irh 2.0
--
-- mA
RXD Low Output Current (Vrl=Vss+2.6V)
Irl -- -- -2.0 mA
X1,X2,Y1,Y2 Low Input Voltage
Vpl --
-- 0.7 V
X1,X2,Y1,Y2 High Input Voltage
Vph 1.3
--
--
V
X1,X2,Y1,Y2 Input Current (Pull Low Resistor, Vds=1.0V)
Ipi
57
-- 104 µA
RTS High Input Voltage
Vth 9.6
--
--
V
RTS Low Input Voltage
Vtl --
-- 6.8 V
Low Input Voltage, Other Pins
Vail --
-- 1.5 V
High Input Voltage, Other Pins
Vaih
3.5
--
--
V
L,M,R,OPT Input Current
(Pull Low Resistor, Vds=5.6V) Imi
18.6
--
56 µA
Rs,Osc-In,L,M,R,X1,X2,Y2,Y2,Opt
Input Leakage Current
Iil 0 -- 1.0 µA
(Vin=0V)
RS, OSC-IN Input Leakage Current
(Vin=5.6V) Iih
-1.0
--
NOTE: *All voltages in above table are compared with VSS.
0 µA
*All parameters in above table are tested under VDD=5.6V
AC ELECTRICAL CHARACTERISTICS (Tamb=25~70°C)
Parameter
Symbol Min Typ Max Unit
Key debounce
Tkd -- 13 -- ms
Transmission time
mouse(1200) Tms -- 41.1 --
ms
Transmission time
microsoft(1200) Tmx -- 24.7 --
ms
Start bit time
(1200) Ts
-- 0.85 --
ms
Data bit time
(1200) Td
-- 0.82 --
ms
Stop bit time
(1200) Tp
-- 0.82 --
ms
Mode code delay time
(1200) Trd
11.9
--
14 ms
Rising edge crossed width
Tr 15 --
-- µs
Falling edge crossed width
Tf 15 --
-- µs
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
3
Скачать PDF:
[ SC83702.PDF Даташит ]
Номер в каталоге | Описание | Производители |
SC83702 | ALL IN ONE MOUSE CONTROLLER | Silan Microelectronics |
Номер в каталоге | Описание | Производители |
TL431 | 100 мА, регулируемый прецизионный шунтирующий регулятор |
Unisonic Technologies |
IRF840 | 8 А, 500 В, N-канальный МОП-транзистор |
Vishay |
LM317 | Линейный стабилизатор напряжения, 1,5 А |
STMicroelectronics |
DataSheet26.com | 2020 | Контакты | Поиск |