16
CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. **
Kit Features
3.4
Flanking Sensor Suppression (FSS) Feature
The following steps demonstrate the FSS feature of CY8CMBR2044 CapSense controller using
CY3280-MBR kit. Before proceeding, power the kit in default mode using the procedure provided in
the section
.
3.4.1
Test CapSense Buttons with FSS Feature Disabled
Touch more than one CapSense buttons simultaneously; the respective LEDs turn on. When each
button is released, respective LEDs turn OFF. This is normal operation of the CapSense controller,
seen on all CapSense buttons.
Figure 3-5. Kit with FSS Feature Disabled
3.4.2
Enable FSS Feature
Ensure the SW1 switch is in FSS On to enable the FSS feature, see
. Touch the power
button once to turn off the power and ensure the power LED is turned off. Press the power button
again to turn on the power. This is because, the CapSense controller should be reset every time the
hardware strapping inputs change. The FSS feature is now enabled.
Figure 3-6. Switch Position for FSS Feature
3.4.3
Test CapSense Buttons with FSS Feature Enabled
Touch more than one CapSense button; only one button is turned on. Try with other buttons and
notice the same behavior. This feature help to distinguish closely spaced sensors and protect them
from false triggers. Refer the
for more information.
