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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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ST207EB 데이터시트(PDF) 3 Page - STMicroelectronics |
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ST207EB 데이터시트(HTML) 3 Page - STMicroelectronics |
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3 / 15 page  ST207EB - ST207EC Pin configuration 3/15 1 Pin configuration Figure 1. Pin connections (top view) Table 2. Pin description Pin N° Symbol Note 1T3OUT RS-232 driver output 2T1OUT RS-232 driver output 3T2OUT RS-232 driver output 4R1IN RS-232 receiver input 5R1OUT TTL/CMOS receiver output 6T2IN TTL/CMOS driver input internal pull-up to VCC 7T1IN TTL/CMOS driver input internal pull-up to VCC 8 GND Ground 9VCC 4.75V to 5.25V supply voltage 10 C1+ Terminal for positive charge-pump capacitor 11 V+ 2VCC generated by the charge-pump 12 C1- Terminal for negative charge-pump capacitor 13 C2+ Terminal for positive charge-pump capacitor 14 C2- Terminal for negative charge-pump capacitor 15 V- -2VCC generated by the charge-pump 16 R3IN RS-232 receiver input 17 R3OUT TTL/CMOS receiver output |
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