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ADS52J90EVM + TSW14J56EVM

Paul Smith
Prodigy 250 points
Other Parts Discussed in Thread: ADS52J90EVM, ADS52J90

Been asking questions over on Medical forum but not getting any useful answers.

Have ADS52J90EVM & TSW14J56EVM running.

Using external clock through ADS52J90EVM J75.  Just guessed at 1 V p-p sine wave for input clock; can't find anything about this in documentation.  Would like to use onboard 100 MHz oscillator, but can't find instructions for doing this.  Some info about jumpers in doc, but no instructions.  Probably also would need to reconfigure LMK chip.  How?

Want to run converter as JESD output, 4 lanes, 10x, 10b.  There are a bunch of .cfg files, but not one that corresponds to this.  Can this be done on this eval board? ADS52J90 should be able to run in this mode.

  • 0 in reply to Chuck Smyth
    Prodigy 215 points

    Hello Chuck,

    I have the same question as PaulSmith58 (guidelines on configuring ADS52J90EVM+TSW14J56EVM for LMK-distributed 100MHz clock). As I understand, you have atttached as an answer a file containing some information or sample config, but unfortunately the attachement is no longer available. Could you please repost this information?

    I have regular abnormal situation of DDR Read timeout error after 3 or 4 successful capture requests in HSDC Pro, requiring  TSW14J56 power cycle to regain functionality. Jumpers on ADS52J90EVM are set to use 100MHz oscillator, but I suppose, there is some misconfiguration on ADC or capture side.

    Thanks in advance

    Peter