DAC39RF10EF: How to frame data using JESD204B

Amy Luo

Part Number: DAC39RF10EF

Hi team,

Here is a question from one of our customers, could you please leave your comments?

When using the JESD204B protocol, when L=8, if it is dual-channel data, How is the data framed? Is the first 8 channels used directly

Best Regards,

Amy Luo

4 months ago

0 Chase W 4 months ago

TI__Mastermind 19505 points

Amy,

If the customer wants to use 8 lanes total, they have a couple of options. The first is JMODE2 which is 1 IQ pair of data per frame. The second is JMODE3 which is 2 IQ pairs per frame.

JMODE2:

JMODE3:

Thanks, Chase

0 Amy Luo 4 months ago in reply to Chase W

TI__Expert 6895 points

Hi Chase,

Thank you for your response.

Below is the follow-up question for this customer, could you continue to provide support?

Could you give me a standard JESD204B reference routine? For example, the LMFS related configuration. The document mainly mentions JESD204C, I am not familiar with JESD204B. Thank you in advance.

Regards,

Amy

0 Chase W 4 months ago in reply to Amy Luo

TI__Mastermind 19505 points

Amy,

Please provide customer with this link: https://www.ti.com/lit/ml/slap161/slap161.pdf?ts=1710146745886&ref_url=https%253A%252F%252Fwww.google.com%252F

Thanks, Chase

0 Chase W 4 months ago in reply to Chase W

TI__Mastermind 19505 points

And another resource to share, this 3 part webinar is a great start for jesd204b.

https://www.ti.com/video/4887179668001

0 Amy Luo 3 months ago in reply to Chase W

TI__Expert 6895 points

Hi Chase,

Thank you for providing learning information.

The customer feedback after learning the above information, there is still doubt about how to configure JESD204B, such as JESD204B, L=8 F=1, K=32, S=1. Could you please provide more detailed guidance

Thanks,

Amy

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DAC39RF10EF: How to frame data using JESD204B