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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) 23 Page - Semtech Corporation |
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SX8663 датащи(HTML) 23 Page - Semtech Corporation |
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23 / 64 page  ADVANCED COMMUNICATIONS & SENSING Rev5 4 th August 2011 © 2011 Semtech Corp. www.semtech.com 23 SX8663 Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output During the power on period the SX8663 stabilizes the internal regulators, RC clocks and the firmware initializes all registers. During the power up the SX8663 is not accessible and I2C communications are forbidden. As soon as the INTB rises the SX8663 will be ready for I2C communication. 3.14.2 RESETB When RESETB is driven low the SX8663 will reset and start the power up sequence as soon as RESETB is driven high or pulled high. In case the user does not require a hardware reset control pin then the RESETB pin can be connected to VDD. Figure 20 Hardware Reset 3.14.3 Software Reset To perform a software reset the host needs to write 0xDE followed by 0x00 at the SoftReset register at address 0xB1. Figure 21 Software Reset |
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