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SC9012 Schematic ( PDF Datasheet ) - Silan Semiconductors

Teilenummer SC9012
Beschreibung INFRARED REMOTE CONTROL TRANSMITTER
Hersteller Silan Semiconductors
Logo Silan Semiconductors Logo 




Gesamt 12 Seiten
SC9012 Datasheet, Funktion
SC9012
INFRARED REMOTE CONTROL TRANSMITTER OF 9012 CODE FORMAT
DESCRIPTION
SC9012 is an infrared remote control transmitter utilizing CMOS
Technology specially designed for use on infrared remote control
applications. It is capable of controlling 32 function keys and 6 double
keys. Each system has a maximum of 8 commands; thus, SC9012 can
provide up to a total of 256 commands.
The pin assignments and application circuit are optimized for easy PCB
Layout and cost saving advantage. SC9012 is housed in a 20-pins SO
package.
SOP-20-300-1.27
FEATURES
* CMOS Technology
* Low Power Consumption
* Built-in Oscillation Circuit
* Least External Components
* 32 Function Keys 8 Customer Codes Up to 256 Commands
* 6 Double Function Keys
* LED Indication of Transmission
ORDERING INFORMATION
Part
SC9012
Package
SOP-20-300-1.27
APPLICATIONS
* Infrared Remote Control Transmitter
Equipment
* Television Remote control Equipment
* VCR Remote control Equipment
* VCD, Audio Equipment
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.1 2005.12.15
Page 1 of 12






SC9012 Datasheet, Funktion
SC9012
6. DOUBLE KEY OPERATION
There are 6 double keys operation, such as K21 connected with K22 ~ K24; K25 connected with K26 ~ K28,
refer to the follow table:
The Primary Key The Secondary Key D0 D1 D2 D3 D4 D5 D6 D7
K22 1 0 1 0 1 1 0 0
K21 K23 0 1 1 0 1 1 0 0
K24 1 1 1 0 1 1 0 0
K26 1 0 0 1 1 1 0 0
K25 K27 0 1 0 1 1 1 0 0
K28 1 1 0 1 1 1 0 0
When any of the double or multiple key combinations are pressed, except the 6 keys mentioned above, there
is no output.
In addition, Double Key Operation is useful for tape deck recording operation. Press the K21 or K23 key at the
first then followed by the secondary key such as K22~K24; K26~K28.
Please refer to the follow diagram:
1. Double Key Operation available
2. Double Key Operation disable
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.1 2005.12.15
Page 6 of 12

6 Page









SC9012 pdf, datenblatt
ATTACHMENT
Revision History
Data
2001.11.12
REV
2.0
2002.02.28
2.1
Description
Add the “Ordering information”
Modify the “Typical application circuit”
Add the “PCB wire layout schematic”
Modify the “Package outline”
SC9012
Page
1
8
10
11
HANGZHOU SILAN MICROELECTRONICS CO.,LTD
Http: www.silan.com.cn
REV:2.1 2005.12.15
Page 12 of 12

12 Page





SeitenGesamt 12 Seiten
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