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Summary of Contents for Terasic Cypress CapSense P0080
- Page 1 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.
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Page 3: Table Of Contents
CONTENTS INTRODUCTION OF THE CAPSENSE MATRIX BUTTON KEYPAD BOARD CHAPTER 1 ....1.1 F ................................. 2 EATURES 1.2 A KIT ............................... 4 BOUT THE 1.3 G ................................. 5 ETTING CAPSENSE MATRIX BUTTON KEYPAD ARCHITECTURE CHAPTER 2 ........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... -
Page 4: Introduction Of The Capsense Matrix Button Keypad Board
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. - Page 5 The key features of the board are listed below: • 4x4 Matrix Solution o Utilizes Cypress’s industry leading CapSense Technology with SmartSense o Simultaneous key press enabled o Mechanical matrix interface enabled for backwards compatibility • SmartSense Enabled o Auto-Tuning for PCB manufacturing variances o Adaptive Threshold Auto-Tuning for different overlays o SNR Optimization to obtain robust performance •...
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Page 6: About The Kit
1 .2 About t he K I T 1 .2 About t he K I T • The kit will come with the following contents: o Cypress CapSense Matrix Button Keypad Board o Portable Battery-powered USB Charger (AA battery type) o USB A to Mini-B Cable o Acrylic Board (3mm and 1.5mm) o Quick Start Guide... -
Page 7: Getting Help
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 •... -
Page 8: Capsense Matrix Button Keypad Architecture
Chapter 2 CapSense Matrix Button Keypad Architecture This chapter describes the architecture of the CapSense Matrix Button Keypad board including block diagram and components. 2 .1 La yout a nd Com pone nt s 2 .1 La yout a nd Com pone nt s The picture of the CapSense Matrix Button Keypad board is shown in Figure 2-1 Figure... -
Page 9: Block Diagram Of The Capsense Matrix Button Keypad
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. 2 .2 Block Dia gra m of t he Ca pSe nse M at rix But t on 2 .2 Block Dia gra m of t he Ca pSe nse M at rix But t on Ke ypa d... -
Page 10: Power-Up The Capsense Matrix Button Keypad
Figure 2-3 Block Diagram of CapSense Matrix Button Keypad 2 .3 Pow e r-up t he Ca pSe nse M at rix But t on Ke ypa d 2 .3 Pow e r-up t he Ca pSe nse M at rix But t on Ke ypa d The CapSense Matrix Button Keypad comes with a preloaded factory configuration to demonstrate the features of the board. -
Page 11: Default Switch And Jumper Settings
2 .4 De fa ult Sw it ch a nd Jum pe r Se t t ings 2 .4 De fa ult Sw it ch a nd Jum pe r Se t t ings Table 2-1 describes the default jumper settings on the CapSense Matrix Button Keypad board and its description. - Page 12 Configure the Scan Rate HW Strap feature Configure the ARST HW Strap feature...
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Page 13: Using The Capsense Matrix Button Keypad
Chapter 3 Using the CapSense Matrix Button Keypad This section describes the detailed information of the components and connectors of the CapSense Matrix Button Keypad board. 3 .1 U se r I nput /Out put 3 .1 U se r I nput /Out put The user input/output provide a versatile and reliable drop-in replacement for mechanical matrix solutions using an output truth table described later. - Page 14 Figure 3-1 LED Arrangement • Mechanical Matrix Truth Table Output The table below lists the truth table for the 4x4 (16) button solutions. The dots indicate the connected terminals corresponding to the row and column LEDs illustrated above. The associated button location (1-16) is shown in Figure 3-2.
- Page 15 Table 3-1 Names and Description of the 5 pin Header Figure 3-2 Button Location...
- Page 16 • Push-button The CapSense Matrix Button Keypad board includes a reset push-button (SW1) to allow a system reset signal for designs loaded into the PSoC device. The push-button provides a high logic level or a low logic level when it is not pressed or pressed, respectively. •...
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Page 17: Gpo Header
3 .2 GPO H e a de r 3 .2 GPO H e a de r The board provides 8 GPO interface pins for host communication plus one GPO for generating an interrupt for host controller. The GPO header share pin connection with LED interface, as a result only one can be used. -
Page 18: Power Supply
3 .3 Pow e r Supply 3 .3 Pow e r Supply The Cypress CapSense Matrix Button Keypad board’s power is provided through 5V power of the USB Type mini-AB connector or the ISSP Programming header. The DC voltage is then stepped down to a regulator providing 3.3V. -
Page 19: Chapter 4 Project Examples
Chapter 4 Project Examples This chapter introduces examples of the CapSense Matrix Button Keypad board by using the capacitive touch buttons with Cypress’s CapSense/SmartSense technology. 4 .1 Syst e m Re quire m e nt s 4 .1 Syst e m Re quire m e nt s Make sure PSoC Programmer is installed on your PC and PSoC MiniProg (sold separately) is used. -
Page 20: Firmware Functionality
4 .3 Fir m w a re Func t iona lit y 4 .3 Fir m w a re Func t iona lit y Below describes some of the features implemented in the LED example. • MTS/MFS Using the MTS/MFS jumper, you can enable/disable the MTS/MFS feature. •... - Page 21 • Power on the board using an USB A to Mini-B cable (included) • Check the functionality and demonstration features by adjusting the jumper settings.
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Page 22: Chapter 5 Appendix
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 •...
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