• State
  • Locked Locked
  • Replies 2 replies
  • Subscribers 47 subscribers
  • Views 360 views
  • Users 0 members are here
Support feedback
Options
Options
Similar topics

This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

Original question:

ADS4246: example binary file

ADS4246: getting started with EVM

ajayt
Genius 9555 points
Part Number: ADS4246

My eval boards ADS4246EVM with the TSW1400 have arrived and I am trying to get the system up and running but need some help.

 

The instructions are to start the software, select the 422x ADC and when prompted to upload the firmware click yes.

After downloading the firmware, a message appears

 

 

I can press OK and try to do a capture but get nothing displayed on the graph.

 

I’ve tried a few times without success so need some help please.

 

Could you also confirm the required clock characteristics for the ADC board? I cannot find any spec in the EVM documentation. I only need to work at 76MHz. Currently I am inputting 500mVp-k square wave at 76M.

 

  • 0
    TI__Genius 12780 points
    Hi Ajayt,

    Is there an error or prompt that occurs in HSDC Pro when you try to capture? If not, do you see a noise floor in the FFT?

    Best Regards,

    Dan
  • 0 in reply to dBrock
    TI__Guru* 91947 points

    Ajayt,

    Are you using serial or parallel SPI mode for the ADC? If using serial, after the GUI connects to the EVM, click on the "Send All" button to load the default values of the ADC. Go ahead and set the Data Format to Offset Bin. If using parallel mode, make sure the jumpers are set up for offset binary data format and press the board reset after power up. Make sure you have a 5V source going to the TSW1400EVM that can provide at least 3A. What is the status of the LED's D2-D9 on the TSW1400 after you have downloaded the firmware? If you are still having issues, please send screen shots of both GUI's.

    Regards,

    Jim