CY3280-MBR Cypress Semiconductor Corp, CY3280-MBR Datasheet

BOARD EVAL CAPSENSE EXPRESS

CY3280-MBR

Manufacturer Part Number
CY3280-MBR
Description
BOARD EVAL CAPSENSE EXPRESS
Manufacturer
Cypress Semiconductor Corp
Series
CapSense® Express™ SmartSense™r
Datasheets

Specifications of CY3280-MBR

Design Resources
CY3280-MBR Schematic CY3280-MBR Bill of Materials CY3280-MBR Gerber Files CY3280-MBR Board Layout
Sensor Type
Touch, Capacitive
Sensing Range
4 Buttons/Keys
Voltage - Supply
3V
Embedded
No
Utilized Ic / Part
CY8CMBR2044
Operating Voltage
1.71 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Operating Current
2.88 A
Silicon Core Number
CY8CMBR2044
Silicon Family Name
PSoC
Kit Contents
2x AAA Batteries, Axial Capacitors 10pF, 22pF, 33pF, 68pF, Quick Start Guide
Rohs Compliant
Yes
For Use With/related Products
CY8CMBR2044
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Interface
-
Sensitivity
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
428-3083

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
CY3280-MBR
Manufacturer:
Cypress Semiconductor Corp
Quantity:
135
®
CY3280-MBR CapSense
Express™ with
SmartSense™ Auto-Tuning Kit Guide
Doc. # 001-64772 Rev. **
Cypress Semiconductor
198 Champion Court
San Jose, CA 95134-1709
Phone (USA): 800.858.1810
Phone (Intnl): 408.943.2600
http://www.cypress.com

Related parts for CY3280-MBR

CY3280-MBR Summary of contents

Page 1

... CY3280-MBR CapSense SmartSense™ Auto-Tuning Kit Guide ® Express™ with Doc. # 001-64772 Rev. ** Cypress Semiconductor 198 Champion Court San Jose, CA 95134-1709 Phone (USA): 800.858.1810 Phone (Intnl): 408.943.2600 http://www.cypress.com ...

Page 2

... Code protection does not mean that we are guaranteeing the product as "unbreakable." Cypress is willing to work with the customer who is concerned about the integrity of their code. Code protection is constantly evolving Cypress are committed to continuously improving the code protection features of our products. 2 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** ...

Page 3

... Delay Off Feature ......................................................................................................18 3.6.1 Test CapSense Buttons with Delay Off Feature Disabled ..............................18 3.6.2 Enable Delay Off Feature...............................................................................19 3.6.3 Test CapSense Buttons with Delay Off Feature Enabled...............................19 3.7 ScanRate/Sleep Feature ...........................................................................................20 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev ...

Page 4

... Test FMEA Feature - CapSense Button Short to Ground .............................. 22 3.9.3 Test FMEA Feature - CapSense Button to Button Short................................ 23 A. Appendix A.1 Board Schematics ..................................................................................................... 25 A.2 Board Layouts ...........................................................................................................27 A.3 Bill of Materials .......................................................................................................... 29 A.4 Frequently Asked Questions ..................................................................................... 30 4 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev ...

Page 5

... Note The kit is in standby mode when the CapSense controller based power button and the demonstration buttons and LEDs are in inactive state. CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** ® Express™ with SmartSense™ Auto- ...

Page 6

... Italics [Bracketed, Bold] File > Open Bold Times New Roman Text in gray boxes 6 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** Origin of Description of Change Change BVI New kit guide. Usage Displays file locations, user entered text, and source code: C:\ ...

Page 7

... Kit Operation CY3280-MBR kit is designed to demonstrate four CapSense buttons and a CapSense based power button. Figure 2-1 illustrates these buttons: demonstration buttons (BTN0 to BTN3) and a CapSense power button (POWER BUTTON). The kit is powered from two AAA on-board batteries, which are placed below the kit in the battery holder. Configurable CapSense controller CY8CMBR2044 supports multiple features ...

Page 8

... Power Supply CY3280-MBR kit can be powered from two different power sources: external power supply and on- board battery power. External power supply can be provided from two connectors: J5 and J2. External power supplied through J2 is gated by the CapSense based power button; however, exter- nal power supplied through J5 is not gated ...

Page 9

... ScanRate/Sleep GPO3 15 CMOD 16 GPO2 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** Description GPO activated by CS1 GPO activated by CS0 Controls FSS and toggle features Controls delay off time CapSense input 0 CapSense input 1 Ground CapSense input 2 Controls auto reset delay ...

Page 10

... CapSense controller to 100 nA. Connector J1 (Expansion Connector - SLEEP_CNT (control input of ScanRate/Sleep XRES DELAY TOGGLE/FSS GND GND GPO GPO GPO GPO 3 10 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** for details on how to activate deep sleep mode and reduce the current ...

Page 11

... Two AAA size batteries are provided with the kit. Insert these batteries in the battery holder provided on the bottom side of the kit. Ensure polarity of the battery, as shown in the following figure. Figure 2-3. Insert Battery in Batter Holder CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** Kit Operation Align polarity ...

Page 12

... Off' and sleep features of CapSense controller. Figure 2-4. Default Configuration 1. SW1 in Both Off position 3. Turn ‘DELAY’ potentiometer to extreme right 12 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev SW2 in Sleep Off position 4. Turn ‘SLEEP’ potentiometer to extreme right ...

Page 13

... SmartSense Feature The following steps help to demonstrate the SmartSense feature of CY8CMBR2044 CapSense controller using CY3280-MBR kit. Before proceeding, power the kit in default mode using the procedure provided in the section 3.2.1 Enable SmartSense Feature CY8CMBR2044 CapSense controller is built around robust CSD capacitive sensing method and patented SmartSense auto tuning algorithm ...

Page 14

... Toggle Feature The following steps help to demonstrate the Toggle feature of CY8CMBR2044 CapSense controller using CY3280-MBR kit. Before proceeding, power the kit in default mode using the procedure pro- vided in the section 2.5 Power the Kit on page 3.3.1 Test CapSense Buttons with Toggle Feature Disabled Touch a CapSense button ...

Page 15

... Figure 3-4. Toggle Feature Test Sequence 1. Touch a button; LED turns on 2. Release the button; LED 4. Release the button; LED remains off CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev Touch the same button again; remains on LED turns off 5. Touch the same button again ...

Page 16

... 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 2.5 Power the Kit on page 3.4.1 Test CapSense Buttons with FSS Feature Disabled Touch more than one CapSense buttons simultaneously ...

Page 17

... 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 and Toggle features are now enabled. CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev Release activated button, 3. Without releasing button, ...

Page 18

... Delay Off Feature The following steps demonstrate the Delay Off feature of CY8CMBR2044 CapSense controller using CY3280-MBR kit. Before proceeding, power the kit in default mode using the procedure provided in the section 2.5 Power the Kit on page 3.6.1 Test CapSense Buttons with Delay Off Feature Disabled Touch a CapSense button ...

Page 19

... Figure 3-13. Test Sequence for Delay Off Feature 1. Touch a button; LED turns on CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev Release button; LED turns off immediately 2. Release the button; LED 3. LED turns off automatically ...

Page 20

... ScanRate/Sleep Feature The following steps demonstrate the Sleep feature of CY8CMBR2044 CapSense controller using CY3280-MBR kit. Before proceeding, power the kit in default mode using the procedure provided in the section 2.5 Power the Kit on page 3.7.1 Test CapSense Buttons with Sleep Feature Disabled Touch a CapSense button ...

Page 21

... Figure 3-16. Setup to Measure Average Current 3.8 ARST Feature The following steps demonstrate the auto reset (ARST) feature of CY8CMBR2044 CapSense controller using CY3280-MBR kit. Before proceeding, power the kit in default mode using the procedure provided in the section 3.8.1 Enable ARST Feature The ARST feature is enabled in this kit by default ...

Page 22

... BTN1 is shorted to ground. CapSense controller disables the button sensors that are shorted to ground. Touch BTN1 and see that LED1 is not turned on. Other buttons work normally. 22 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev Hold button in same state CY8CMBR2044 data sheet for more information on this feature ...

Page 23

... BTN1 is shorted to BTN2. CapSense controller disables the button sensors that are shorted to each other. Touch BTN1 or BTN2; note that the respective LEDs are not turned on. Other buttons work normally. Figure 3-20. BTN1 Sensor Shorted to Ground CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** Kit Features 23 ...

Page 24

... Kit Features 24 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** ...

Page 25

... C a pSe ns e But ton und B 1 BTN ens or Shi eld C a pSe ns e But ton BTN 0 S ens or Shi eld C a pSe ns e But ton und CapSense Buttons CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev 220 0 pFd ...

Page 26

... TWO AAA 1.5V 1125mAh Battery C1 2200 pFd VIN U1 VIN R1 5. SCANRATE/SLEEP 2 PW R_ON LE/FSS 4 DELAY Capsense Based Power Button (CY8CMBR2044) 26 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev DD_Ext D8 MBR0520L VIN BR0520L VDD_B AT VIN BR0520L 5 GND1 C7 P WR_O N_INV ...

Page 27

... A.2 Board Layouts A.2.1 PDC-09587 Top CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev ...

Page 28

... A.2.2 PDC-09587 Bottom 28 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** ...

Page 29

... R8 NO LOAD DIODE SCHOTTKY CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** Value Description PCB CAP CER 2200PF 50V 5% C0G 0805 Murata Electronics CAP .10UF 10V CERAMIC X7R 0603 Kemet CAP CERAMIC 10.0UF 16V X5R 1206 LED Red CLEAR 1206 REAR MNT SMD DIODE SCHOTTKY 0 ...

Page 30

... Whenever a hardware strapping input status is changed, CapSense controller should be rest using XRES pin or power should be toggled for the change to take effect. 30 CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** 2.5 Power the Kit on page 11 AN59004 - Four Button CapSense Design using Design Guide Tool ...

Page 31

... A. BTN1 and BTN2 are connected to pin #4 and pin #5 of the J5 connector for evaluation of SmartSense. Touching the J5 connector increases the capacitance of BTN1 and BTN2, misinterpreted as a button touch. In the actual product, sensor signals are not exposed. CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev ...

Page 32

... CY3280-MBR CapSense Express with SmartSense Auto-Tuning Kit Guide, Doc. # 001-64772 Rev. ** ...

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