Terasic Cypress CapSense P0080 User Manual Download Page 18 | Manualshive

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16

3 .3

3 .3

Pow e r

Supply

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.

•

Power Distribution System

shows the power distribution system on the Cypress CapSense Matrix Button Keypad

board.

Figure 3-5 Power Distribution System

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Summary of Contents for Cypress CapSense P0080

Page 1: ...ss 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...

Page 2: ......

Page 3: ...iagram 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 In...

Page 4: ...Sense 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...

Page 5: ...PCB manufacturing variances o Adaptive Threshold Auto Tuning for different overlays o SNR Optimization to obtain robust performance Configurable Solution o Pin configurable buttons Featured device o...

Page 6: ...utton 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 o System CD Figure 1 2 shows the photograph of the C...

Page 7: ...A 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 t...

Page 8: ...diagram and components 6 2 1 2 1 Layout and Components Layout and Components 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...

Page 9: ...ram bottom view Note For jumper setting and description please refer to Section 2 4 7 2 2 2 2 Block Diagram of the CapSense Matrix Button Keypad Block Diagram of the CapSense Matrix Button Keypad Figu...

Page 10: ...ng 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...

Page 11: ...g and Description Jumper Default Setting Description J4 Connects the shield electrode to either GND or PSoC pin J6 To drive the buzzer feature of the board It will beep once on every button press J7 T...

Page 12: ...J15 Configure the Scan Rate HW Strap feature J16 Configure the ARST HW Strap feature 10...

Page 13: ...ix solutions using an output truth table described later For demonstration purposes these pins are connected to LEDs LEDs The CapSense Matrix Solution board consists of 16 red LEDs above the 4 x 4 Mat...

Page 14: ...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 The following G...

Page 15: ...Table 3 1 Names and Description of the 5 pin Header Figure 3 2 Button Location 13...

Page 16: ...CapSense Matrix Button Keypad board contains an audio beep buzzer for an audible beep feedback for any button press 4x4 Matrix type Capacitive Touch Buttons 4x4 16 CapSense buttons are connected and...

Page 17: ...unication 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 Figure 3 4 shows the block diagram for th...

Page 18: ...hrough 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 Power Distribution System Figure 3 5 shows the power...

Page 19: ...sions of PSoC Programmer cannot be installed on the same computer Un install any previous version Installing from PSoC Programmer CD ROM 1 Place the System CD ROM in your CD ROM drive 2 At the setup s...

Page 20: ...ressed active for more than 5 20 or 40 seconds the device resets the key Scan Rate The firmware reads resistor values and reset sets the scan rate of the CapSense device Scan Rate configuration 1 Pin...

Page 21: ...9 D De em mo on ns st tr ra at ti io on n S Se et tu up p Power on the board using an USB A to Mini B cable included Check the functionality and demonstration features by adjusting the jumper settings...

Page 22: ...e you can get help if you encounter problems Terasic Technologies 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 T...

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