sx8634 Semtech Corporation, sx8634 Datasheet - Page 33
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sx8634
Manufacturer Part Number
sx8634
Description
Low Power, Capacitive Button And Slider Touch Controller 12 Sensors With Enhanced Led Drivers And Proximity Sensing
Manufacturer
Semtech Corporation
Datasheet
1.SX8634.pdf
(80 pages)
- Current page: 33 of 80
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ADVANCED COMMUNICATIONS & SENSING
4.3 Host interface pins
The host interface consists of the interrupt pin INTB, a reset pin RESETB and the standard I2C pins: SCL and
SDA.
INTB
The INTB pin is an open drain output that requires an external pull-up resistor (1..10 kOhm). The INTB pin is
protected to VDD using dedicated devices. The INTB pin has diode protected to GROUND.
Figure 37 shows a simplified diagram of the INTB pin.
Revision 7_6, October 10
to host
R_INT
Figure 36
VDD
Figure 37
(12 sensors) with Enhanced LED Drivers and Proximity Sensing
© 2010 Semtech Corp.
Simplified diagram of CN and CP
Low Power, Capacitive Button and Slider Touch Controller
SX8634
Simplified diagram of INTB
CN
CP
SX8634
INTB
33
VANA
VANA
INT
ASI
DATASHEET
www.semtech.com
SX8634
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