SX8661I07AULTRT Semtech, SX8661I07AULTRT Datasheet - Page 38
SX8661I07AULTRT
Manufacturer Part Number
SX8661I07AULTRT
Description
IC, Capacitive Button Touch And Proximity Controller, 8 SENSOR, MLPQ-28
Manufacturer
Semtech
Datasheet
1.SX8661I07AULTRT.pdf
(88 pages)
Specifications of SX8661I07AULTRT
Controller Type
Capacitive Touch Screen
Ic Interface Type
I2C
Supply Voltage Range
2.7V To 3.6V
Operating Temperature Range
-40°C To +85°C
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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 43 shows a simplified diagram of the INTB pin.
Revision v3.2, January 2011
to host
R_INT
Figure 42
VDD
Figure 43
Low Power, Capacitive Button Touch and Proximity Controller
© 2011 Semtech Corp.
Simplified diagram of CN and CP
SX8661
Simplified diagram of INTB
CN
CP
SX8661
INTB
38
(8 sensors) with LED Drivers and Analog Output
VANA
VANA
INT
ASI
www.semtech.com
DATASHEET
SX8661
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