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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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SX8661 датащи(PDF) 42 Page - Semtech Corporation |
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SX8661 датащи(HTML) 42 Page - Semtech Corporation |
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42 / 88 page  ADVANCED COMMUNICATIONS & SENSING DATASHEET Revision v3.2, January 2011 © 2011 Semtech Corp. www.semtech.com 42 SX8661 Low Power, Capacitive Button Touch and Proximity Controller (8 sensors) with LED Drivers and Analog Output VANA, VDIG The SX8661 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 50 shows a simplified diagram of the VANA and VDIG pin. Figure 50 Simplified diagram of VANA and VDIG 4.5 General purpose IO pins The SX8661 has 8 General purpose input/output (GPIO) pins. All the GPIO pins have protection to VDD and GND. The GPIO pins can be configured as GPO, SPO or GPP. Figure 51 shows a simplified diagram of the GPIO pins. Figure 51 Simplified diagram of GPIO pins VDD SX8661 GND VDIG VDD GND VANA VANA VDIG Cvdig Cvana |
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