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PDF SC50560S Data sheet ( Hoja de datos )
| Número de pieza | SC50560S | |
| Descripción | INFRARED REMOTE CONTROL TRANSMITTER | |
| Fabricantes | Silan Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de SC50560S (archivo pdf) en la parte inferior de esta página. Total 14 Páginas | ||
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SC50560
INFRARED REMOTE CONTROL TRANSMITTER OF 50560 CODE FORMAT
DESCRIPTION
The SC50560 is a remote control transmitter utilizing CMOS technology
housed in a 20-pin DIP or SOP package. A 4x8 key matrix and extension
bit inputs allow the transmission of up to 256 instructions. The
transmission code consists of 16 bits code (8 bits custom code and 8 bits
data code) and a leader code.
Pin assignments and application circuit of SC50560 are optimized for
easy PCB layout and cost saving advantage for remote control
applications.
FEATURES
* CMOS technology
* Low power consumption
* Least external components
* LED power dissipation is less during the transmission of
Instructions
APPLICATIONS
* Audio Equipment
* Television
* Video Cassette Recorder
* Air Condition
ORDERING INFORMATION
Device
SC50560
SC50560S
Package
DIP-20-300-2.54
SOP-20-375-1.27
BLOCK DIAGRAM
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.4 2005.12.15
Page 1 of 14
1 page  
SC50560
4. KEY INPUT
By connecting the input pins – KI0 to KI3 and scan output pins –KO0 to KO7 (also known as the Standard
Keys), a 4x8 key matrix may be formed. Likewise, a maximum of 256 instructions may be provided by connecting
the input CS with the scan output –KO0 to KO7 (also known as the Extended Keys). When two or more standard
keys are pressed, the transmission output Dout is kept at LOW and no transmission code is outputted. Please
refer to the tables below.
Data
Key Input
D0
D1
KI0 0
0
KI1 1
0
KI2 0
1
KI3 1
1
Data
D2 D3 D4
Scan Output
KO0
000
KO1
100
KO2
010
KO3
110
KO4
001
KO5
101
KO6
011
KO7
111
Data
D5 D6 D7
CS Input
KO5
1 -- --
KO6 -- 1 --
KO7
-- --
1
5. Oscillation Circuit
The oscillation circuit may be constructed by connected a ceramic
resonator between the OSCI and OSCO. Please refer to the
diagram right. When the references signal is set to 455KHz the
carrier can be set at 38KHz. When no key input is pressed, the
oscillation circuit is normally stopped, thereby, lower power
dissipation.
Figure 6. Oscillation Circuit
6. CODE FORMAT MODES
SC50560 code format comes in three modes: 001, 002 and 003. Please refer to the diagram below:
SC50560 Version
Description
Minimum Number of
Words Transmitted
SC50560-001
Mode A Code Format:Custom Code Bit 5--C5=0,
SEL is connected to VDD
1 word
SC50560-002 Mode A & B Code Formats
3 words
SC50560-003
Mode A Code Format:Custom Code Bit 5--C5=1,
When SEL is connected to Vss
-----
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.4 2005.12.15
Page 5 of 14
5 Page 
PCB WIRE LAYOUT SCHEMATIC
SC50560
Transmitting tube output ground line
The transmitting tube ground line and IC ground line should
layout separated or overstriking ground line.
The above IC only use to hint, not to specified.
Note:
* In wire layout, the power filter capacitor should near to IC.
* In wire layout, should avoid power line and ground line too long.
* Recommended infrared transmit unit and IC ground line should layout separated, or overstriking lines.
* The emitter of triode connect 1 resistor at least.
* Recommended triode use 9014.
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.4 2005.12.15
Page 11 of 14
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet SC50560S.PDF ] | |
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