CY3280-MBR QUICK START GUIDE
• Power may be supplied in 3 ways: through the on-board battery supply, connector J2 or connector J5.
Recommended power through J2 is 2 V to 3.8 V.
• It is not recommended to connect power to connector J5 when the kit is powered from connector J2
or the battery.
• BTN1 and BTN2 are connected to pins 4 and 5 of connector J5 for SmartSense evaluation;
touching these pins may trigger false touches.
Pin 1 – SCANRATE/SLEEP
Pin 2 – XRES
Pin 3 – DELAY
Pin 4 – TOGGLE/FSS
Pin 5, 6 – GND
Pin 7 – GPO0
Pin 8 – GPO1
Pin 9 – GPO2
Pin 10 – GPO3
Pin 33 – ARST
Pin 35,36,39 – GND
Pin 41 – VDD
Pin 34,37,38,40,42 – NC
Pin 1 – VDD
Pin 2 – GND
Pin 3 – XRES
Pin 4 – Button Sensor BTN1
Pin 5 – Button Sensor BTN2
• *FSS stands for Flanking Sensor Suppression, a CapSense technique that ensures only the
first button touched is registered.
• Power must be cycled whenever a switch setting is changed.
• For more information about the connector pins, switch features and potentiometers,
please refer the User Guide.
For the latest information about this Kit, and to download the User Guide, Kit Software and Hardware files,
visit:
www.cypress.com/go/CY3280-MBR
SW1 Position
Both On
ON
ON
ON
OFF
OFF
ON
OFF
OFF
Toggle On
FSS On
Both Off
Sleep Off
Using pin 1 in connector J1, an external host
controller can enable the deep sleep mode.
Sleep On
Deep sleep mode cannot be enabled by an
external host controller using pin 1 in connector J1.
ScanRate/Sleep input of CapSense
®
controller is
controlled by the SLEEP Potentiometer.
Toggle
FSS*
Feature
SW2 Position
Connector J2
Power Button
Buttons
and LEDs
SW2 (Sleep)
Connector J5
SW1
(FSS/Toggle)
Connector J1
Battery Holder
Potentiometers
© 2010-2015 Cypress Semiconductor Corporation. All rights reserved.
All trademarks or registered trademarks referenced herein are the properties of their
respective owners. Doc.#: 001-64773 Rev.*F
C
AP
S
ENSE
®
MECHANICAL BUTTON REPLACEMENT (MBR)
Connector J1
Connector J2
Connector J5