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AWR2243: Phase shifter in ICD doc

Shine
Genius 13655 points
Part Number: AWR2243

Hello Champs,

This screenshot from 《mmWave-Radar-Interface-Control_May_2021》—— 5.3.3 Sub block 0x00AC - AWR_PHASE_SHIFTER_CAL_DATA_SAVE_SB ,   AWR2243 phase shifter is 6 bit, but here an LSB is 10 bit . Shouldn't it be 6? 


Thanks
Regards
Shine

  • +1
    TI__Mastermind 32865 points

    Hi Shine,

    It is correct. The six is for holding the phase shifter index which can go to a maximum of 63 so 6 is chosen for that. 

    The field that you are correctly observing/checking is the observed phase shift. For that field if you see two bytes are provided to store each value and out of this first 10 bits will be holding the data. 

    Thanks,

    Pradipta.