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Two question regarding to choosing a chip and load program

da cheng
Intellectual 370 points

Dear All,

I am checking the difficult parameters for DSP chips.It is not clear here.

1) what is RAM here. Is it DDR2 SDRAM?

2) Also, if we don't have ROM/FLASH, where should we store the program on the chip? Or does it have to be a external flash/rom to store the program?

Thank you very much.

regards,

da

 

 

  • 0
    Genius 4530 points

    Hi,

    1. RAM is the on-chip Program/data RAM to which the on-chip memory is mapped.

    2. Some of the DSP chips do have on-chip ROM/FLASH but the size is very small, around 384 KB etc, so a better option could be to use an external FLASH to do what is popularly called as Bootloading.

    Regards,

    Sid