~~NOTOC~~ 
   
====== Pmod CDC1  ======
  
{{Digilent Infobox
| Store Page = https://digilent.com/shop/pmod-cdc1-capacitative-input-buttons/
| Manual = [[reference-manual]]
| Support = https://forum.digilent.com/forum/7-add-on-boards/
| Title = Pmod CDC1
| Subtitle = Capacitive Input Buttons
| Header = Features
| Bullet = Two capacitive input channels
| Bullet = Fixed or adaptive threshold capability
| Bullet = High sensitivity up to 3 fF
| Bullet = 2×4-pin connector with I2C interface
| Bullet = Follows the Digilent {{/reference/pmod/digilent-pmod-interface-specification.pdf |Pmod Interface Specification}}
| Header = Electrical
| Bus = [[learn/fundamentals/communication-protocols/i2c/start | I²C]]
| Specification Version = 1.0
| Logic Level = 3.3V
| Header = Physical
| Width = 2.3 in (5.84 cm)
| Length = 0.80 in (2.03 cm)
| Header = Design Resources
| Fritzing Part = {{reference:pmod:pmodcdc1:pmodcdc1.fzpz| }}
| Header = Documentation
| Primary IC = [[http://www.analog.com/media/en/technical-documentation/data-sheets/AD7156.pdf | AD7156]]
| Reference Manual = [[pmod/pmodcdc1/reference-manual]]
| Schematic = {{reference:pmod:pmodcdc1:pmodcdc1_sch.pdf| }}
| Header = J1 Pinout
| Full Row = {{ :reference:pmod:pmod-pinout-2x4.png?direct |}}
| Pin 1 & 5 = SCL
| Pin 2 & 6 = SDA
| Pin 3 & 7 = GND
| Pin 4 & 8 = VCC
| Header = J2 Pinout
| Pin 1 = O1
| Pin 2 = O2
}}

{{page>reference-manual}} \\ \\
 

===== Example Projects =====



==Microprocessor==
  * {{:reference:pmod:pmodcdc1:pmodcdc1_library_demo.zip|Library and Example Code}}
  * [[https://www.hackster.io/mmigs/using-the-pmod-cdc1-with-arduino-uno-3cb90c| Using the Pmod CDC1 with Arduino Uno]] - Application note
==Programmable Logic==
  * No programmable logic example projects are available for the Pmod CDC1

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===== Additional Resources =====
  * [[https://wiki.analog.com/resources/fpga/xilinx/pmod/ad7156|ZedBoard Demo Project]]
  * Specification Version 1.0: {{https://www.digilentinc.com/Pmods/Digilent-Pmod_%20Interface_Specification.pdf |PDF}}

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{{tag>pmod pmod-start pmod-i2c pmodcdc1 cdc resource-center}}