SX8663 datasheet(32/64 Pages) SEMTECH

部件名	SX8663

功能描述	Capacitive Button Matrix (up to 36) and Proximity Controller with Individual LED Drivers and Buzzer Output

PDF	64 Pages

Scroll/Zoom	100%

制造商	SEMTECH [Semtech Corporation]

网页	http://www.semtech.com

标志

32 / 64 page

ADVANCED COMMUNICATIONS & SENSING

Rev5 4

th August 2011

www.semtech.com

SX8663

Capacitive Button Matrix (up to 36) and Proximity Controller

with Individual LED Drivers and Buzzer 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 37 shows the simplified diagram of the SCL pin.

Figure 37

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 38 shows the simplified diagram of the SDA pin.

Figure 38

Simplified diagram of SDA

VDD

R_SCL

SCL

SX8663

from host

SCL_IN

VDD

R_SDA

SDA

SX8663

SDA_OUT

from/to host

SDA_IN

SX8663 数据表(PDF) 32 Page - Semtech Corporation

SX8663 数据表(HTML) 32 Page - Semtech Corporation

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SX8663 数据表(PDF) 32 Page - Semtech Corporation

SX8663 数据表(HTML) 32 Page - Semtech Corporation

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