SX8635I05AWLTRT SEMTECH [Semtech Corporation], SX8635I05AWLTRT Datasheet - Page 34
SX8635I05AWLTRT
Manufacturer Part Number
SX8635I05AWLTRT
Description
Low Power, Capacitive Button and Wheel Touch Controller with Enhanced LED
Manufacturer
SEMTECH [Semtech Corporation]
Datasheet
1.SX8635I05AWLTRT.pdf
(81 pages)
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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 38 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 39 shows the simplified diagram of the SDA pin.
Revision 7_8, October 10
from host
from/to host
R_SCL
R_SDA
VDD
VDD
Figure 39
Figure 38
(12 sensors) with Enhanced LED Drivers and Proximity Sensing
© 2010 Semtech Corp.
Low Power, Capacitive Button and Wheel Touch Controller
Simplified diagram of SDA
Simplified diagram of SCL
SX8635
SX8635
SCL
SDA
34
SCL_IN
SDA_OUT
SDA_IN
DATASHEET
www.semtech.com
SX8635
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