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SX8663 bảng dữ liệu(PDF) 35 Page - Semtech Corporation

tên linh kiện SX8663
Giải thích chi tiết về linh kiện  Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output
PDF  64 Pages
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nhà sản xuất  SEMTECH [Semtech Corporation]
Trang chủ  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SX8663 bảng dữ liệu(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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