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SC9243 Datasheet(PDF) 3 Page - Silan Microelectronics Joint-stock |
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SC9243 Datasheet(HTML) 3 Page - Silan Microelectronics Joint-stock |
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3 / 14 page ![]() SC9243 PIN CONFIGURATION 1 20 2 19 3 18 4 17 HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.2 2009.02.17 Http: www.silan.com.cn Page 3 of 15 5 6 7 8 9 10 16 15 14 13 12 11 OSCO OSCI NC KI0 KI1 KI2 KI3 KI4 KI5 KI6 KI7 KO0 KO1 KO2 KO3 CODE LED DOUT VDD VSS PIN DESCRIPTION Pin No. Symbol Description 1 VSS Negative Power Supply 2 OSCO Oscillator Output Pin with Built-in Amplifier Circuit and Feedback Resistor 3 OSCI Oscillator Input Pin with Built-in Amplifier Circuit and Feedback Resistor 4 NC not connected 5~12 KI0~KI7 Key Matrix Input Pins. built-in pull-down resistor(80k Ω) 13~16 KO0~KO3 Key Scan Output Pins. 17 CODE Code Scan Output Pin. 18 LED Transmission Display Output Pin 19 DOUT Infrared LED Driving Output Pin 20 VDD Positive Power Supply |
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