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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SX8663 датащи(PDF) 35 Page - Semtech Corporation |
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SX8663 датащи(HTML) 35 Page - Semtech Corporation |
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35 / 64 page  ADVANCED COMMUNICATIONS & SENSING Rev5 4 th August 2011 © 2011 Semtech Corp. www.semtech.com 35 SX8663 Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output VANA, VDIG The SX8663 has on-chip regulators for internal use (pins VANA and VDIG). VANA and VDIG have protection to VDD and to GND. The output of the regulators needs to be de-coupled with a small 100nF capacitor to ground. Figure 43 shows a simplified diagram of the VANA and VDIG pin. Figure 43 Simplified diagram of VANA and VDIG 4.5 General purpose IO pins The SX8663 has 8 General purpose input/output (GPIO) pins. All the GPIO pins have protection to VDD and GND. Figure 44 shows a simplified diagram of the GPIO pins. Figure 44 Simplified diagram of GPIO pins VDD SX8663 GND VDIG VDD GND VANA VANA VDIG Cvdig Cvana |
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