IQS213EV03S Azoteq, IQS213EV03S Datasheet - Page 4

• Manufacturer Part Number: IQS213EV03S
• Description: Touch Sensor Development Tools IQS213 Eval Kit
• Manufacturer: Azoteq

Specifications of IQS213EV03S

• Tool Is For Evaluation Of: IQS213
• Interface Type: I2C, Mini-USB
• Operating Voltage: 1.8 V to 3.6 V

5 Reference Designs
5.1 IQS213 Self-Capacitance Swipe Reference Design
5.2 IQS213 Projected Capacitance Swipe Reference Design
Copyright © Azoteq (Pty) Ltd 2012.
All Rights Reserved.
CTX0
VIN
GND
Connect to self-capacitive swipe electrodes.
Figure 5.3
CX0
CX1
CX2
Connect to projected swipe electrodes.
Figure 5.5
VDDHI
GND
VIN
GND
CRX0
CRX1
CRX2
VDDHI
GND
Figure 5.1
2-Channel Self Capacitive
R1
470
R2
470
R4
470
Figure 5.2
2-Channel Projected
R1
470
R2
470
R4
470
R6
470
RDY
SDA
SCL
IQS213 Self Capacitance Mode Reference design
RDY
SDA
SCL
10
IQS213 Projected Mode Reference design
2
3
9
6
7
8
U1
IQS213
CX0
CX1
CX2
GPIO0/3/RDY/ON/OFF
GPIO2/TX
GPIO4/SDA/PULSE
GPIO5/SCL/AO
10
ProxSense
2
3
9
6
7
8
U1
IQS213
CX0
CX1
CX2
GPIO0/3/RDY/ON/OFF
GPIO2/TX
GPIO4/SDA/PULSE
GPIO5/SCL/AO
IQ Switch
IQS213EV03 Evaluation Kit User Manual
VDDHI
VREG
GND
VDDHI
VREG
®
GND
4
5
1
GND
Series
Revision 1.0
®
4
5
1
Figure 5.4
GND
SDA = Serial Data (I2C)
SCL = Serial Clock (I2C)
RDY = Ready Line
Optional: 100pF capacitors (C7 and C8) for additional
RF immunity.
Figure 5.6
SDA = Serial Data (I2C)
SCL = Serial Clock (I2C)
RDY = Ready Line
Optional: 100pF capacitors (C7, C8) for additional RF
immunity.
GND
C9
1uF
GND
C9
1uF
C8
100pF
C8
100pF
3-Channel Self Capacitive
C7
100pF
C7
100pF
3-Channel Projected
VDDHI
GND
VDDHI
GND
C6
1uF
C6
1uF
VDDHI
VDDHI
R25
10K
R24
10K
R23
10K
R25
10K
R24
10K
R23
10K
September 2012
Page 4 of 5
SDA
SCL
RDY
SDA
SCL
SCL
SDA
SCL
RDY
SDA
SCL
RDY