• ADSP 21571 IIR 加速器工作不正常

    你好,在使用 ADSP 21571 iir硬件加速器的时候,碰到输出异常的问题,下面是我的代码,请帮忙看看配置是否正确

    int iir_init(IIR_CHANNEL_HANDLEiir_channel_handle,int ch_num)
        int ch_idx;
        for(ch_idx = 0ch_idx < ch_num ; ch_idx++)
            iir_tcb[ch_idx].nIIRControl2 = ((iir_channel_handle[ch_idx].nNumBiquads - 1…
  • Are there any SOM boards (by ADI or partners/others) for the ADSP-21571 ?


    I am looking for SOM boards using the ADSP-21571.
    E.g. with kind of connector like SO DIMM e.g. with all DAI and LINK Port Pins on the connector.

    Do you about SOM boards like this ?



  • (ADSP-21571)About a interrupt in non-DMA mode


    I am trying to perform SPI communication in non-DMA mode.

    However, no interrupt is received after reception.

    I write the register and value that I set up below

    Are you missing the setting? Or is it wrong?

    Please confirm.

    SPI0_CTL = 0x0431
       SIZE = …

  • 21571 SPI master boot failed


    I config 21571 to SPI master boot mode through SYS_BMODEn pin, connect SYS_BMODE0 to 3.3V and SYS_BMODE1 to GND. SPI flash is W25X80 which is connected to SPI2 port , besides SPI2_CLK pin is 10Kohm pull-down, all SPI control pins are 10Kohm pull_up.

  • RE: Sport config in 21571

    Hello Foster,

    We have to keep different subject separated. 

    1) Master clock. This is its own subject and it seems like you have that setup correctly by having one master clock for all the parts.

    2) Serial input port clocks. These are the bit clock and…

  • RE: Where is the MODE1 register in 21571?


    As per our understanding, you are asking to enable SIMD in C code. If so, Please follow the below steps and compiler can automatically generate SIMD code:
    1. Enable the optimizer;
    2. Remove any switches that disable SIMD generation.
    3. Specify the -loop…

  • RE: How to exchange audio datas between two cores in 21571?


    You can use the MCAPI for multicore communication. Please find the below path for help documentation to know more about MCAPI and it's APIs.
    Go to Help -> Help contents in CCES tool then you will find the CrossCore® Embedded Studio <version> >…

  • RE: 21571 SPI TFIFO/Tx Shift Reg issue

    Hi Anderson,

    Apologies for the delay in getting back.

    From your mail, I understand that you face issue in sending data from ADSP-21571(Master). Your understanding regarding SPI_TFIFO depth is correct. For 32-bt word, the FIFO size is 2.

    You mentioned, "Initially…

  • How FFT accelerator (FFTA) on ADSP-SC58x/ADSP-2158x is different as compared to ADSP-214xx processors / What are the major features of FFTA on ADSP-SC58x/ADSP-2158x ?

    FFT Accelerator on ADSP-SC58x/ADSP-2158x is a completely new design as compared to the FFT accelerator on ADSP-214xx processors. The major differences/features of the FFT accelerator on ADSPSC58x/ADSP-2158x are:

    • Unlike in ADSP-214xx, the…
  • Porting software  from ADSP-21489 to ADSP-21573 and ADSP-SC573 

    Customer ask some questions.

    Right now we have  plenty of software for ADSP-21489, but it’s quite hard to port it to ADSP-SC573 family. Code itself

    is 99% C and C++.


    Does family ADSP-SC573 have interface with external static memory like AMI for ADSP…