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PDF SC6122 Data sheet ( Hoja de datos )
| Número de pieza | SC6122 | |
| Descripción | INFRARED REMOTE CONTROL TRANSMITTER | |
| Fabricantes | Silan Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SC6122 (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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SC6122
INFRARED REMOTE CONTROL TRANSMITTER OF NEC CODE FORMAT
DESCRIPTION
The SC6122 is a remote control transmitter utilizing CMOS
Technology specially designed for use on infrared remote control
applications. It is capable of controlling 64 function keys and 3
double keys. SC6122 is housed in a 24-pins SOP package.
FEATURES
* Low power dissipation(quiescent current<1µA)
* Operating frequency is 455Khz, output carrier frequency is
38KHz
* Use PPM(Pulse phase modulation)coding format
* Low Operating Voltage (VDD=2.0~5.5V)
* Using SEL pin, SC6122 can support 128+6 function codes
* Customer Code can be selected
APPLICATIONS
* TV and VCR
* Audio Equipment
* Air Conditioner
* VCD and DVD ROM/Player
* Multi-Media Personal Computer System
SOP-24-375-1.27
ORDERING INFORMATION
SC6122-001
SC6122-002
ROM content=0
Custom version
BLOCK DIAGRAM
23 KI0
24 KI1
1 KI2
2 KI3
KI4
3
KI5
4
5 KI6
6 KI7
11
OSCI
10
OSCO
8
VDD
12
VSS
OSC Circuit
SEL
9
Timing Generation
&Control Circuit
Code Generation Circuit
Key Input/Output Scan Circuit
Output
Control
Circuit
DOUT
7
LMP
13
CCS
22
KI/O0~KI/O7
21 20 19 18 17 16 15 14
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:3.1 2008.04.02
Page 1 of 14
1 page  
SC6122
The Double Key operation forms are as follows:
Key D0 D1 D2 D3 D4 D5
K21+K22
1
0
1
0
1
1
K21+K23
0
1
1
0
1
1
K21+K24
1
1
1
0
1
1
Note: D7=1 when SEL is connected to VSS, or D7=0 when SEL is connected to VDD.
OPERATION
K21
push
NO OPERATION
K21
K21 Transmission
t >126ms
K22 to 24
push
K21 Transmission
36ms< t <126ms
D5+K22 to 24
Transmission
No Transmission
K22 to 24
NO OPERATION
K21
No Transmission
-36ms< t < 36ms
K22 to 24
NO OPERATION
K21
t >126ms
K22 to 24
K22 to 24 Transmission
No Transmission
D6
0
0
0
D7
0/1
0/1
0/1
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:3.1 2008.04.02
Page 5 of 14
5 Page 
TYPICAL APPLICATION CIRCUIT
SC6122
Note: 1. Two capacitance connect with Vcc should as near as possible.
2. The line between two capacitance and Vcc and ground should as short as possible.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:3.1 2008.04.02
Page 11 of 14
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet SC6122.PDF ] | |
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