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resources:eval:user-guides:eval-adicup360:hardware:cn0336 [02 Apr 2018 04:33] Ramon Glenn Amparoresources:eval:user-guides:eval-adicup360:hardware:cn0336 [02 Apr 2018 04:51] (current) Ramon Glenn Amparo
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 ==== Input Interface ==== ==== Input Interface ====
-The system can process 4 to 20 mA input signals by connecting the positive terminal to Pin 1 and the ground terminal to Pin 2 of J2 terminal block. The calculation of gain and resistor values can be found in [[ADI>/media/en/reference-design-documentation/reference-designs/CN0336.pdf|CN0336 Circuit Note]].+The circuit consists of an input current-to-voltage converter, a level shifting circuit, an ADC stage, and an output isolation stage. The system can process 4 to 20 mA input signals by connecting the positive terminal to Pin 1 and the ground terminal to Pin 2 of J2 terminal block. A diode is connected to provide protection against an accidental reverse connection of the input current source. The calculation of gain and resistor values can be found in [[ADI>/media/en/reference-design-documentation/reference-designs/CN0336.pdf|CN0336 Circuit Note]]. The guide on how to use the two-point calibration can be found at the software demo [[resources:eval:user-guides:eval-adicup360:reference_designs:demo_cn0336|page]].
 <note> The labels on the board can also be used as a guide</note> <note> The labels on the board can also be used as a guide</note>
 {{ :resources:eval:user-guides:eval-adicup360:hardware:cn0336:cn0336-hw-1024_2.jpg?150 |}} {{ :resources:eval:user-guides:eval-adicup360:hardware:cn0336:cn0336-hw-1024_2.jpg?150 |}}
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 When using the EVAL-CN0336-PMDZ PMOD board, the 3.3V power for the PMOD comes directly from the host board it is connected to. The power from the host is generally capable of providing up to 100 mA at 3.3V, but for complete PMOD power specifications can be found at [[https://www.digilentinc.com/Pmods/Digilent-Pmod_%20Interface_Specification.pdf|Digilent Pmod Interface Specification]].  When using the EVAL-CN0336-PMDZ PMOD board, the 3.3V power for the PMOD comes directly from the host board it is connected to. The power from the host is generally capable of providing up to 100 mA at 3.3V, but for complete PMOD power specifications can be found at [[https://www.digilentinc.com/Pmods/Digilent-Pmod_%20Interface_Specification.pdf|Digilent Pmod Interface Specification]]. 
  
-The fastest way to tell if the EVAL-CN0336-PMDZ board is powered is by seeing if the LED located <fc #ff0000>here</fc> on the board is illuminated.+The fastest way to tell if the EVAL-CN0336-PMDZ board is powered is by seeing if diode <fc #ff0000>D2</fc> is illuminated.
  
 {{ :resources:eval:user-guides:eval-adicup360:hardware:cn0336:cn0336-hw-1024_1.jpg?400 |}} {{ :resources:eval:user-guides:eval-adicup360:hardware:cn0336:cn0336-hw-1024_1.jpg?400 |}}
resources/eval/user-guides/eval-adicup360/hardware/cn0336.1522636394.txt.gz · Last modified: 02 Apr 2018 04:33 by Ramon Glenn Amparo