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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 Silan Microelectronics логотип 

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SC83702 Даташит, Описание, Даташиты
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









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SC83702 Даташит, Описание, Даташиты
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 Даташит, Описание, Даташиты
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










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SC83702ALL IN ONE MOUSE CONTROLLERSilan Microelectronics
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