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AWR6843: ePWM clock source on AWR6843

Part Number: AWR6843
Other Parts Discussed in Thread: MMWAVEICBOOST,

Hi,

I am working with mmWave Carrier Card Platform and AWR6843 Standard Antenna Plug-in module. I have two questions.

  • I have confusion regarding what clock ePWM module uses because there are different references to what drives TBCLK. The documentation I am using is TRM Literature Number: SWRU520E May 2017 – Revised May 2020.
    • In Figure 21-3. Time-Base Submodule Signals and Registers - page 2309, VCLK4 is mentioned as the source.
    • At all other places e.g 21.2.2.1 Purpose of the Time-Base Submodule, VCLK3 is mentioned as the source.
  • And my second question is there is no mention of what VCLK3 or VCLK4 are, what is their relation to MSS_VCLK. Are they same as MSS_VCLK?

Kindly can you clarify both of these queries? Thanks in advance.

Regards,
Waleed