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AWR6843: Regarding ADC Buffer

Sakthi Priya V
Prodigy 40 points
Part Number: AWR6843

Tool/software:

Hello,

Could you please tell me where the ADC buffer getting allocated and how the ADC buffer is stored in mmwave_sdk_03_05_00_04?

  • 0
    TI__Mastermind 40495 points

    Hi, there:

    ADC buffer is a hardware buffer. The address is fixed.    You can find the definition at C:\ti\mmwave_sdk_03_xx_xx_xx\packages\ti\common\sys_common_xwr68xx_mss.h

    /* ADC Buffer, size definition in sys_common_68xx.h */
    #define SOC_XWR68XX_MSS_ADCBUF_BASE_ADDRESS 0x52000000U

    ADC buffer is a ping-pong buffer.  When one buffer is being filled up by front end, the previously filled buffer can be accessed for data processing like range FFT.  You can find this topic at section 14 in the TRM (technical Reference Manual) to understand how ADC buffer work. 

    Best,

    Zigang