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SC3004 Datasheet(PDF) 3 Page - Silan Microelectronics Joint-stock |
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SC3004 Datasheet(HTML) 3 Page - Silan Microelectronics Joint-stock |
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3 / 9 page ![]() SC3004 HANGZHOU SILAN MICROELECTRONICS CO.,LTD REV:1.1 2005.12.15 Http: www.silan.com.cn Page 3 of 10 PIN DESCRIPTION PIN NO. Symbol DESCRIPTIONS 1 NC NOT CONNECT 2 GND Negative Power Supply 3-10 KO0-KO7 Scan Driver Pins 11-18 KI0-KI7 Key Sense Input Pins 19 CCI User Code Select 20 LED Led Pin 21 REM Generate Output Data Pin (with carrier wave) 22 OSCO Oscillator output 23 OSCI Oscillator input 24 VDD Power Supply FUNCTIONAL DESCRIPTION SC3004 CODE FORMAT: Start bit Even/odd User code Data code 1 1/0 S2 S1 S0 D5 D4 D3 D2 D1 D0 User code can be set to one of following (decided by pin CCI): line KO0 KO1 KO2 KO3 KO4 KO5 KO6 S2 S1 S0 000 001 010 011 100 101 111 The SC3004 code format is showed as following: 3 bit user code 6 bit data code 1 star bit and even/odd bit same key code first key code(odd) no key 121ms 0 167us 5.06ms 167us 7.59ms Note: Even/odd bit: the bit will retake when a key is pressed. |
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