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Any reference design for TMS320C6743?

Troy McCann
Prodigy 80 points
Other Parts Discussed in Thread: OMAP-L137, TMS320C6743, CC2538, OMAPL138

Hi,

I'm trying to design a system using a TMS320C6743 to perform some signal equalisation. The DSP will be as an SPI slave to a CC2538 master microprocessor. I've got the OMAP-L137 EV module which is all fine as the C6743 is a drop in replacement, but I'm having trouble identifying which components in the schematics are actually essential for the DSP rather than peripheral, and what I need to do in designing a PCB containing a TMS320C6743.

Are there any documents I've not come across of a reference design with much less clutter on the board like the Spectrum Digital EV board? I'd hate to omit a number of the codec chips, etc. which I don't need to have some prototypes produced which don't work due to removing something that wasn't actually a peripheral component!

Thanks in advance.

  • 0
    TI__Mastermind 43660 points
    Troy,

    No other reference design available with lesser peripherals. You may have to first come up with your design requirement and eliminate the peripherals from the EV module which are not required for your design.

    You could refer the below hardware design guide and schematics checklist for your design.

    processors.wiki.ti.com/.../OMAP-L137_Hardware_Design_Guide

    processors.wiki.ti.com/.../_AM1x_Schematic_Review_Checklist

    Regards,
    Senthil
  • 0
    TI__Mastermind 43955 points

    Hi

    Troy said:
    I've got the OMAP-L137 EV module which is all fine as the C6743 is a drop in replacement, but I'm having trouble identifying which components in the schematics are actually essential for the DSP rather than peripheral, and what I need to do in designing a PCB containing a TMS320C6743.


    1. In the schematics , using the part number, you can identify or note-down the name of the chip and try to understand its significance and need.
    For example, similar to this OMAPL138 WIKI, processors.wiki.ti.com/.../OMAP-L138_LCDK_Schematic_Companion , you can also prepare a schematic companion table for OMAPL137 EV module; So that you can narrow down what is needed and what is not needed for you.

    2. Look at the Block diagram of the processor in the Technical reference manual of OMAPL137 in which the peripheral's availability will be given.

    You have to work out something like below:

    With reference to the schematics, identify the reference designator is "U18" and the part number is "MT29F4G16ABADAH4".
    It can be identified as NAND flash memory.  It is interfaced through EMIF peripheral. Now look at your project requirement and check the necessity of the peripheral...

    Component U18
    Part Number MT29F4G16ABADAH4-IT:D
    Datasheet [3]
    Description Micron 4Gbit NAND Flash (x16 data width)


    ------------------------------------

  • 0
    Prodigy 80 points

    Hi all,

    Sorry for the delayed reply.

    Thanks for your posts. Ok, looks like I'll have to take the time to eliminate unnecessary peripheral components from the Spectrum Digital schematics. I guess it makes for a good exercise if anything.

    The links posted look like a good resource as well. Thanks.

    Cheers. :)