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66AK2L06 EVM / DFE module in bypass mode

Valeri Gueorguiev
Prodigy 50 points
Other Parts Discussed in Thread: 66AK2L06

Hello,

 

We are using an external ADC converter connected to the 66AK2L06 EVM via JESD204B interface. The idea is to transfer IQ samples at a rate of 200Msps through DFE module and the IQN2 to FFTC engine using PktDma.

 

We intend to use the DFE Bypass mode and then there is no processing into the DFE block.

The problems we encounter arise from the fact that there is no application software supporting the DFE Rx function in data path bypass mode.

 

The available documentation, specifically the spruhx8a.pdf, does not describe the DFE registers or the register’s configuration.

 

We are using CCS v6.1.3 and mcsdk_bios 3.01.04.07.

  • 0
    TI__Guru* 81335 points

    Welcome to the TI E2E forum. I hope you will find many good answers here and in the TI.com documents and in the TI Wiki Pages (for processor issues). Be sure to search those for helpful information and to browse for the questions others may have asked on similar topics (e2e.ti.com). Please read all the links below my signature.

    We will get back to you on the above query shortly. Thank you for your patience.

    Thank you.

    PS: We strongly recommend you to create new e2e thread for your queries instead of following up on an old/closed e2e thread, new threads gets more attention than old threads and can provide link of old threads or information on the new post for clarity and faster response.

  • 0 in reply to Raja
    TI__Mastermind 37500 points

    Hello,

    Thank you for your interest in 66AK2L06. The current TI designs (TIDEP0034 and TIDEP0060) have pre-validated ADCs and DACs with 66AK2L06 SoC, but using the full DFE signal processing capabilities. The configurations are part of the TI design demos that you can request access from the RFSDK portal. We are adding more TI designs in the roadmap including the configuration for DFE signal processing bypass mode.

    Note that with the DFE bypass mode, 66AK2L06 can support sampling rate up to 122.88Msps complex and up to 200Msps in the roadmap.

    Regards,

    Joe Quintal