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AFE7950: Device Functional Modes

YuukiWatanabe
Prodigy 150 points
Part Number: AFE7950

Tool/software:

Please tell me the processing of the following pins at the time of "TDD Mode".
・ Gtr_3_txtdd1
・ Gbl_18_txtdd2
・ GBR_11_RXTDD1
・ GTL_6_RXTDD2
・ Gtr_8_fbtdd1
・ GBL_1_FBTDD2


Also, what are the settings for "Transmitter ONLY MODE" and "Receiver ONLY MODE"?

  • 0
    Prodigy 150 points

    It is correction.
    Please tell me the settings for "FDD MODE"

  • 0 in reply to YuukiWatanabe
    TI__Expert 4865 points

    Hi,

    For FDD you can use the "AFE.TOP.overrideTdd(rx,fb,tx)" which overrides the TDD GPIO pins with the inputs below:

    rx = 0xf #Override Value of the RX chains. This is Bit wise channel select. Bit0 for RXA to Bit3 for RXD.
    fb = 0x3 #Override Value of the FB chains. This is Bit wise channel select. Bit0 for FBAB to Bit1 for FBCD.
    tx = 0xf #Override Value of the TX chains. This is Bit wise channel select. Bit0 for TXA to Bit3 for TXD.

    Or if you would like hardware control, you should pull the pins high.

    Best,

    Camilo