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SX8663 데이터시트(PDF) 35 Page - Semtech Corporation

부품명 SX8663
상세설명  Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output
PDF  64 Pages
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제조업체  SEMTECH [Semtech Corporation]
홈페이지  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8663 데이터시트(HTML) 35 Page - Semtech Corporation

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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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