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PDF SC2268 Data sheet ( Hoja de datos )
| Número de pieza | SC2268 | |
| Descripción | REMOTE CONTROL ENCODER | |
| Fabricantes | Silan Microelectronics | |
| Logotipo |  |
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Silan
Semiconductors
SC2268
REMOTE CONTROL ENCODER
DESCRIPTION
The SC2268 is a remote control encoder utilizing CMOS
Technology specially designed for use with the SC2128. Using a
special coding technique, SC2268 increases noise immunity to a
very great extent. It is housed in 16-Pins DIP Package and has a
maximum of eight input channels. Its high performance features
makes SC2268 a must in every fan and other electrical home
appliance remote control application.
FEATURES
* CMOS Technology
* Low power consumption
* Very high noise immunity
* Wide range of operating voltage: Vcc=2.2 ~ 5.0 Volts
* Transmits signals to a maximum of 8 channels
* Start word custom code options available
DIP-16
APPLICATIONS
* Fan remote control
* Air cleaner
* Humidifier
* Heater
DataSheet4U.com ORDERING INFORMATION
SC2268
Custom Cord C3=1
SC2268-00 Custom Cord C3=0
PIN CONFIGURATION
I1 1
16 Vcc
I2 2
15 OSCI
I3 3
14 OSCO
I4
4
SC2268
13
Tx
OUT
I5 5
12 C4
I6 6
11 C5
I7 7
10 C6
I8 8
9 Vss
BLOCK DIAGRAM
OSCI 15
OSCO 14
OSC
Vcc
16
Timing
circuit
Vss
9
I1 1
I2 2
I3 3
I4 4
I5 5
I6 6
I7 7
I8 8
Key input
scanning
and
sampling
Encoder
12 11 10
C4 C5 C6
Output
Waveform
Generator
13 Tx OUT
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
1
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Silan
Semiconductors
SC2268
6. START WORD CUSTOM CODE
The start word custom code has the following format:
Where: C3 = 1 (default value)
= bonding option available
LSB
MSB
C4 = “0” when floating or connected to Vss
0 0 1 C3 C4 C5 C6 1
= “1” when connected to Vcc
C5 = “0” when floating or connected to Vss
= “1” when connected to Vcc
C6 = “0” when connected to Vss
= “1” when floating or connected to Vcc
Note: C4 and C5 have internal pull-low resistors while C6 has an internal pull-high resistor.
The start word custom code table is given below :
C4 C5
00
00
01
01
10
10
11
11
C3=0
C6 Custom Code (C0 to C7)
0 00100001
1 00100011
0 00100101
1 00100111
0 00101001
1DataSheet040U10.1c0o1m1
0 00101101
1 00101111
C3=1(default)
Custom Code (C0 to C7)
00110001
00110011
00110101
00110111
00111001
00111011
00111101
00111111
OPERATION FLOW CHART
Power on
Stand by
No Key
press?
Yes
Enable oscillator
Debounce
Code
correct?
Yes
One frame
code transmit
No
No
Key
Yes
released?
HANGZHOU SILAN MICROELECTRONICS JOINT-STOCK CO.,LTD
Rev: 1.0 2000.12.31
5
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| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet SC2268.PDF ] | |
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