SC2268 Silan, SC2268 Datasheet
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SC2268
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SC2268 Summary of contents
Page 1
... 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 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 ...
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... OSC On, TxOUT is floating “ L” OSC Stops TxOUT is floating. V =2.2V SINK V =1.5V OSC SC2268 Value 0 ~ 6.0 +0.3V CC 500 -20 ~ +70 =3 10%V,Unless otherwise specified) Min. Typ. Max. 2 0 ...
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... Positive power supply. FUNCTIONAL DESCRIPTION 1.KEY INPUT Up to eight keys can be directly connected to pins I1 ~ I8. Please refer to the diagram right. Furthermore, SC2268 has a buit-in pull-low resistor of about 60K ~ 110K which reduces the need for external components. 2. OSCILLATOR An oscillation circuit can be constructed using the CMOS inverter and Built-in Feedback resistor, 455kHz crystal and two 220pf capacitors ...
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... Transmission Code Pattern Sectioon): CLK start TRANSMISSION CODE PATTERN The transmission code pattern of SC2268 is given in the table below. Transmission Start word Data Word W1 (I1) (Key pressed) W2 (I2) W3 (I3) W4 (I4) W5 (I5) W6 (I6) W7 (I7) W8 (I8) HANGZHOU SILAN MICROELECTRONICS CO ...
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... Power on Stand by Key No press? Yes Enable oscillator Debounce Code No correct? Yes One frame code transmit Key No Yes released? SC2268 C3=1(default) Custom Code (C0 to C7) 00110001 00110011 00110101 00110111 00111001 00111011 00111101 00111111 REV: 1.0 2004.08.03 Page ...
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... SC2268 Note: Please take note that C3(default value)=1. For more details, please refer to Start Word Custom Cord Section. * Place 47uf capacitor as near as possible to the SC2268 Vss pin. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn 3V battery 16 I1 Vcc 220pf 15 I2 ...
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... Persons at a work bench should be earthed via a wrist strap. Equipment cases should be earthed. All tools used during assembly, including soldering tools and solder baths, must be earthed. MOS devices should be packed for dispatch in antistatic/conductive containers. HANGZHOU SILAN MICROELECTRONICS CO.,LTD Http: www.silan.com.cn SC2268 UNIT: mm REV: 1.0 2004.08.03 Page ...