IQ Switch
®
ProxSense
®
Series
Copyright © Azoteq (Pty) Ltd 2012.
IQS232/43EV02 Evaluation Kit User Manual
Page 3 of 6
All Rights Reserved.
Revision 1.1
June 2012
Table 3.2
IQS243 Module board
component description
Component Purpose
Typical value
C1, C2
Power
supply
decoupling
capacitors
1µF,
100pF
C3, C4
Internal
regulator
decoupling
capacitors
1µF,
100pF
R7
RDY pull-up
resistor
4.7k
Ω
R8
SDA pull-up
resistor
4.7k
Ω
R9
SCL pull-up
resistor
4.7k
Ω
R10
Sub
Address
Select
resistor
10k
Ω
R0, R1, R2
Sense
electrode
(Cx) series
resistors
(Added
ESD
Protection)
470
Ω
For operation and data visualization, it is
necessary to interface the IQS243 module to a
personal computer by means of the Azoteq
CT200 Configuration Tool. The IQS243 GUI is
used to stream and visualize data in real-time.
