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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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UPD17072 датащи(PDF) 13 Page - NEC |
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UPD17072 датащи(HTML) 13 Page - NEC |
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13 / 226 page  13 µPD17072,17073 Pin No. Symbol Function Output format At power-ON QFP TQFP reset 23 26 VDD Positive power supply. — — 27 Supply 1.8 to 3.6 V (TA = –20 to +70 °C) to operate all functions. Do not apply voltage higher than that of VDD pin to any pin other than VDD. 24 28 XOUT Pins for connecting crystal resonator for system CMOS push-pull — 25 29 XIN clock oscillation. — 26 30 REG1 Output of voltage regulator for oscillation circuit. — — Connect this pin to GND via 0.1- µF capacitor. 27 31 REGLCD0 • REGLCD1, REGLCD0— — 28 32 CAPLCD0 LCD drive power pins. 29 33 CAPLCD1 • CAPLCD1, CAPLCD0 30 34 REGLCD1 Connect capacitors for doubler circuit to generate LCD drive voltage, across these pins. To configure doubler circuit, connect capacitors as shown below. Caution The value of the LCD drive voltage differs if the values of C1, C2, and C3 are changed because of the configuration of the doubler circuit. REG1 0.1 F µ REGLCD1 CAPLCD1 CAPLCD0 REGLCD0 C3 C1 C2 C1 = C2 = 0.1 F C3 = 0.01 F µ µ |
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