5 Replies Latest reply on Aug 27, 2020 11:16 PM by TaMa_4718096

    PSoC5LP:DMA transfer from Status-Register to External-Memory

    TaMa_4718096

      Hello,


      I want to use DMA to transfer data from the Status Register component to external memory at a speed of 5MHz.
      (Use 5MHz for the Hardware Request signal (drq) of the DMA component.)

       

      However, the access speed of the external memory becomes 2.5MHz. What is the cause.

       

      [Clock settings]
        IMO :Internal OSC (24MHz)
        ILO :100kHz
        PLL :Input=IMO, Nominal=60MHz
        Master Clock : PLL_OUT(60MHz)
        Bus Clock : 60MHz