Analog Devices UG-001 Manual Do Utilizador

 

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4.  Program the HSC-ADC-EVALCZ board’s FPGA to a setting 

other than the default setting as described in Step 3. Then 
expand the VisualAnalog display and click the Settings 
button in the ADC Data Capture block (see Figure 6). The 
ADC Data Capture Settings

 box opens (see Figure 7). 

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5.  Select the Board Settings tab and browse to the appropriate 

programming file. If you are using an encode rate <28 MSPS, 
select Octal_Low_Speed.bin. If you are using an encode 
rate >28 MSPS, select Octal_High_Speed.bin. Next, click 
Program

; the DONE LED in the HSC-ADC-EVALCZ board 

should then turn on. If more than two channels are required 
to be displayed, select Octal_High_8-Channel_synchronous 
Capture.bin

. This canvas allows the user to display all the 

channels at once. The drawback is that each FFT display is 
only 8k points. 

Exit the ADC Data Capture Settings box by clicking OK.  

After the ADC data capture board setup is completed, set up the 
SPI Controller using the following procedure: 

1.  Open the SPI Controller software by going to the Start 

menu or double-clicking the SPI Controller software 
desktop icon. If prompted for a configuration file, select 
the appropriate one. If not, check the title bar of the 
window to determine which configuration is loaded. If 
necessary, choose Cfg Open from the File menu and select 
the appropriate one. Note that the CHIP ID(1) field should 
be filled to indicate whether the correct SPI Controller 
configuration file is loaded or not (see Figure 8). 

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2.  Click the New DUT button in the SPI Controller. 

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3.  In the Global tab of the SPI Controller, find the CHIP 

 box. Use the drop-down box to select the 

correct speed grade, if necessary. See the AD9272 or AD9273 
data sheet, the AN-878 Application Note, and the AN-877 
Application Note for reference.