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OMAP-L138 SOM-M1 vs. •TMS320C6748 SOM-M1

Robert W
Mastermind 7100 points
Other Parts Discussed in Thread: OMAPL138, OMAP-L138, TMS320C6748, OMAP-L137

Hi,

From the forum posts, some said that "The OMAPL138 contains an ARM9 with a C674x DSP on it." per link:

http://e2e.ti.com/support/dsp/omap_applications_processors/f/42/p/237756/841796.aspx#841796

 

I see the following kit/evm board at eStore:

1. Texas Instruments OMAP-L138 SOM-M1

 OMAP-L138/C6748 DSP Experimenter Kit packaged for Universities (TMDSEXPL138-UNV)

 

2. Includes two SOMs

  • OMAP-L138 SOM-M1 (128 MB mDDR)
  • TMS320C6748 SOM-M1 (128 MB mDDR)

OMAP-L138/TMS320C6748 EVM

Item 2 is an advanced version. Why does it have two SOM if L138 has a C674x DSP?

 

Thanks,

  • 0
    Guru 26430 points

    Pure conjecture on my part. I'd guess that the OMAP-L138 is ARM boot and the 6748 is DSP boot. The two parts will have entirely different sets of firmware stacks. If you are developing the boot part of stack, you'd have to have right SOM. Notable is that the OMAP-L137 is DSP boot and there are no C6747 EVM options...well none that I know of. The OMAP-L137 EVM is offered as the EVM for the C6747.

  • 0
    TI__Guru 64490 points

    The TMS320C6748 is a DSP only (C674x) device.

    The OMAP-L138 is an ARM9 + C674x DSP device.