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Execute code from both internal RAM and external RAM in TMS320C6745

Other Parts Discussed in Thread: TMS320C6745

I wonder whether we can execute part of the software from a 16-bit SDRAM which has only the lower 8 data pins connected to TMS320C6745. In this case, the external SDRAM acts as an expansion to the internal RAM because the size of the internal RAM is not enough for our application. To do so, we are thinking of partitioning our software so that the MIPS-intensive part will be stored in and executed from the internal RAM, and the remaining software will be stored in and executed from the external SDRAM in 8-bit mode.

 

Please advise whether it works. Thanks.

 

Zhou

  • If using half of the data bus is not possible, we are going to connect its full 16-bit data bus to the DSP.

    What we need to know urgently is whether we can execute part of the software from the internal RAM and execute the other part of software from a 16-bit external RAM (SDRAM).

     

    Please help. Thanks.