Terasic Cypress CapSense P0080 Manuale utente
Chipsmall Limited consists of a professional team with an average of over 10 year of expertise in the distribution
of electronic components. Based in Hongkong, we have already established firm and mutual-benefit business
relationships with customers from,Europe,America and south Asia,supplying obsolete and hard-to-find components
to meet their specific needs.
With the principle of “Quality Parts,Customers Priority,Honest Operation,and Considerate Service”,our business
mainly focus on the distribution of electronic components. Line cards we deal with include
Microchip,ALPS,ROHM,Xilinx,Pulse,ON,Everlight and Freescale. Main products comprise
IC,Modules,Potentiometer,IC Socket,Relay,Connector.Our parts cover such applications as commercial,industrial,
and automotives areas.
We are looking forward to setting up business relationship with you and hope to provide you with the best service
and solution. Let us make a better world for our industry!
Contact us
Tel: +86-755-8981 8866 Fax: +86-755-8427 6832
Email & Skype: [email protected]om Web: www.chipsmall.com
Address: A1208, Overseas Decoration Building, #122 Zhenhua RD., Futian, Shenzhen, China
CONTENTS
CHAPTER 1
INTRODUCTION OF THE CAPSENSE MATRIX BUTTON KEYPAD BOARD
................ 2
1.1 FEATURES................................................................................................................................................................. 2
1.2 ABOUT THE KIT ....................................................................................................................................................... 4
1.3 GETTING HELP ......................................................................................................................................................... 5
CHAPTER 2
CAPSENSE MATRIX BUTTON KEYPAD ARCHITECTURE
.................................... 6
2.1 Layout and Components..........................................................................................................................6
2.2 Block Diagram of the CapSense Matrix Button Keypad ..............................................................7
2.3 Power-up the CapSense Matrix Button Keypad......................................................................................8
2.4 Default Switch and Jumper Settings .......................................................................................................9
CHAPTER 3
USING THE CAPSENSE MATRIX BUTTON KEYPAD
.......................................... 11
3.1 User Input/Output.................................................................................................................................. 11
3.2 GPO Header ..........................................................................................................................................15
3.3 Power Supply ........................................................................................................................................16
CHAPTER 4
PROJECT EXAMPLES
..............................................................................17
4.1 System Requirements............................................................................................................................17
4.2 LEDs .....................................................................................................................................................17
4.3 Firmware Functionality.........................................................................................................................18
CHAPTER 5
APPENDIX
............................................................................................20
5.1 Revision History....................................................................................................................................20
5.2 Copyright Statement..............................................................................................................................20
1
Chapter 1
Introduction of the CapSense Matrix
Button Keypad Board
The CapSense Matrix Button Keypad board is designed to allow users to easily implement a matrix
keypad user interface solution using Cypress CapSense/SmartSense technology. The board contains
16 capacitive touch buttons organized in a matrix style format. The board will enable users to
achieve quick-to-market designs in large solution applications such as fire alarm control panels,
security systems, and door locks.
2
1.1
1.1
Feat ures
Feat ures
Figure 1-1 shows a photograph of the CapSense Matrix Button Keypad Board.
Figure 1-1 Layout of the CapSense Matrix Button Keypad Board
3
The key features of the board are listed below:
•4x4 Matrix Solution
oUtilizes Cypress’s industry leading CapSense Technology with SmartSense
oSimultaneous key press enabled
oMechanical matrix interface enabled for backwards compatibility
•SmartSense Enabled
oAuto-Tuning for PCB manufacturing variances
oAdaptive Threshold Auto-Tuning for different overlays
oSNR Optimization to obtain robust performance
•Configurable Solution
oPin configurable buttons
•Featured device
oCY8CMBR2016 CapSense Express Device
•Expansion header
oGPO Host Communication Header
•Audio
oBuzzer included for feedback
•Switches and indicators
o16 LEDs
o1 Reset Push-button Switch
•Connectors
oUSB Type mini-AB Port
•System Ready
oBOM included
oLayout/Gerber files included
4
1.2
1.2
About
the
KIT
About the K I T
•The kit will come with the following contents:
oCypress CapSense Matrix Button Keypad Board
oPortable Battery-powered USB Charger (AA battery type)
oUSB A to Mini-B Cable
oAcrylic Board (3mm and 1.5mm)
oQuick Start Guide
oSystem CD
Figure 1-2 shows the photograph of the Cypress CapSense Matrix Button Keypad kit content.
Figure 1-2 CapSense Matrix Button Keypad kit Package Contents
5
1.3
1.3
Getting
Help
Ge t ting H e lp
Here is information of how to get help if you encounter any problem:
•Cypress Semiconductor
•Tel: +1(800)541-4736 Ext.8(in the USA) / +1(408)943-2600 Ext.8(International)
•Support Link: www.cypress.com/go/support
Terasic Technologies provides design consulting services to customers in electronic system
development to help accelerate their system from design to production. Please contact us below for
more info:
•Terasic Technologies
•Tel: +886-3-550-8800 (China and Taiwan)
•Email: [email protected]
Chapter 2
CapSense Matrix Button Keypad
Architecture
This chapter describes the architecture of the CapSense Matrix Button Keypad board including
block diagram and components.
6
2.1
2.1
La yout
and
Com pone nt s
La yout and Compone nts
The picture of the CapSense Matrix Button Keypad board is shown in Figure 2-1 and Figure 2-2. It
depicts the layout of the board and indicates the locations of the connectors and key components.
Figure 2-1 The CapSense Matrix Button Keypad PCB and Component Diagram (top view)
`
Figure 2-2 The CapSense Matrix Button Keypad PCB and Component Diagram (bottom view)
Note: For jumper setting and description, please refer to Section 2.4.
7
2.2
2.2
Block
Dia gra m
of
the
Ca pSense
Matrix
But ton
Ke ypad
Block Dia gram of t he Ca pSe nse Mat rix Button
Ke ypad
Figure 2-3 shows the block diagram of the CapSense Matrix Button Keypad.
Figure 2-3 Block Diagram of CapSense Matrix Button Keypad
8
2.3
2.3
Pow er-up
the
Ca pSense
Matrix
But t on
Keypad
Pow e r-up the Ca pSense Matrix But ton Ke ypad
The CapSense Matrix Button Keypad comes with a preloaded factory configuration to demonstrate
the features of the board. The factory configurations allow users to see quickly if the board is
working properly. To power-up the board:
1. Connect the USB A to Mini-B cable to a USB (Type A) host port and to the board. The power
LED (D17) should immediately turn on. Alternatively, the board can be powered on by connecting
the board using the portable battery-powered USB connector.
Note: Users can also power-on the board by connecting a MiniProg Programming unit to the ISSP
Programming header.
2. Touch the CapSense button as the corresponding LED will glow indicating which button you
are touching. Also, a buzzer sound will activate whenever a button is pressed.
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