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SX8661Z bảng dữ liệu(PDF) 37 Page - Semtech Corporation

tên linh kiện SX8661Z
Giải thích chi tiết về linh kiện  Low Power, Capacitive Button Touch and Proximity Controller with LED Drivers and Analog Output
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nhà sản xuất  SEMTECH [Semtech Corporation]
Trang chủ  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

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ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Revision v4.0, February 2016
© 2012 Semtech Corp.
www.semtech.com
37
SX8661Z
Low Power, Capacitive Button Touch and Proximity Controller
(8 sensors) with LED Drivers and Analog Output
SCL
The SCL pin is a high impedance input pin. The SCL pin is protected to VDD, using dedicated devices, in order to
conform to standard I2C slave specifications. The SCL pin has diode protected to GROUND.
An external pull-up resistor (1..10 kOhm) is required on this pin.
Figure 42 shows the simplified diagram of the SCL pin.
Figure 42
Simplified diagram of SCL
SDA
SDA is an IO pin that can be used as an open drain output pin with external pull-up resistor or as a high
impedance input pin. The SDA IO pin is protected to VDD, using dedicated devices, in order to conform to
standard I2C slave specifications. The SDA pin has diode protected to GROUND.
An external pull-up resistor (1..10 kOhm) is required on this pin.
Figure 43 shows the simplified diagram of the SDA pin.
Figure 43
Simplified diagram of SDA
VDD
R_SCL
SCL
SX8661Z
from host
SCL_IN
VDD
R_SDA
SDA
SX8661Z
SDA_OUT
from/to host
SDA_IN



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