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Am3352 GPMC connection to C6616?

Charles H
Intellectual 895 points
Other Parts Discussed in Thread: TMS320C6416T, AM3352

Does TI have any recommendations for connecting the HPI of a TMS320C6416T to the GPMC local bus of the AM3352. I’m looking for pin connections, timing diagrams, and/or EMIF configuration settings.

  • 0
    TI__Mastermind 42545 points

    Unfortunately we don't have a specific example for connecting these two device. We do have an application note for connecting a C6000 EMIF interface to a C6000 HPI interface which can give you a basic understanding of an EMIF to HPI connection. This should be a good starting point.

    http://www.ti.com/lit/an/spra536b/spra536b.pdf

  • 0 in reply to Bill Taboada
    TI__Mastermind 30190 points

    Charles,

    May be the PRU-ICCS could be used instead of the GPMC. The PRU can do high speed bit banging/GPIO toggling and could potential emulate the CTRL /DATA signal for the HPI. I think that for AM335x there is a limit of 16 GPI and 17 GPO pins available.
    You would need also to check the pinmux options to see what pins are available on the AM335x side.

    More info on PRU can be found at:
    https://github.com/beagleboard/am335x_pru_package

    http://processors.wiki.ti.com/index.php/Programmable_Realtime_Unit_Subsystem
    http://processors.wiki.ti.com/index.php/Programmable_Realtime_Unit_Software_Development
    http://processors.wiki.ti.com/index.php/PRU_Assembly_Advanced_Topics

    Anthony