AnsweredAssumed Answered

AD9912 PCBZ Rev.B - "DUT Not Found!"

Question asked by Jcursiolf on Feb 18, 2011
Latest reply on Feb 18, 2011 by DSB

Hello,

 

I have a stock (no alterations made) AD9912 PCBZ Rev B and while the evaluation software recognizes the board, I can't get it to change its registers. It keeps saying "Warning DUT Not Found!" during startup.

 

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AD9549 & AD9912 Evaluation Software Startup Log File
Created: 18/2/2011  10:26:27
   Checking for USB Drivers...
   USB Driver Found.
Loading Program Graphics...
Loading Options Dialog...
Loading Main Window...
Initializing I/O Buffers...
Resetting Evaluation Board...
Detecting the DUT...
   Warning DUT Not Found!
Initializing I/O Buffers...
Loading Interactive Block Diagram
Software Ready...

-------------------------------------------------------------------------------

 

- CLKMODE is on VDD;

- JMP 4, 5, 6 and 7 are on VDD;

- JMP 3 is on PC;

- JMP 2 in on;

- All other jumper slots are empty.

- VDD_DACDEC, VDD_SYSCLK, VDD_DRV/VDD_FDBK and VDD_DACCLK are on an 1.8 V supply.

- VDD_DAC3 and VDDX_DRV are on a 3.3 supply.

- SYSCLK is being generated by a Signal Generator.

 

The only thing that works in the software is the reset button.

 

Any ideas?

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