SX8661I07AULTRT Semtech, SX8661I07AULTRT Datasheet - Page 39
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
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 44 shows the simplified diagram of the SCL pin.
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 45 shows the simplified diagram of the SDA pin.
Revision v3.2, January 2011
from host
from/ to host
R_ SCL
R_ SDA
VDD
VDD
Figure 45
Figure 44
Low Power, Capacitive Button Touch and Proximity Controller
© 2011 Semtech Corp.
Simplified diagram of SDA
Simplified diagram of SCL
SX8661
SX8661
SCL
SDA
39
(8 sensors) with LED Drivers and Analog Output
SCL_IN
SDA_OUT
SDA_IN
www.semtech.com
DATASHEET
SX8661
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