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Question about selecting audio-processing Processor

Mark Johnson1
Prodigy 140 points
Other Parts Discussed in Thread: PCM3168A, TAS5086, TAS5631B, CC2560

I'm wondering if the OMAP-L13x is suitable for interfacing a PCM codec(PCM3168A), an audio PWM processor (TAS5086) and Power Amp (TAS5631B).  In another application I want to use the same processor but it needs to interface with the PCM codec and a Bluetooth Controller (CC2560).  The end products are for an Audio Controller and PA system.

This processor seems a little overkill but needs to handle interrupts and audio signal processing.  There are just too many options out there and they all seem to be tailored to Video or more complex situations than I require.

Any help would be greatly appreciated.

  • 0
    TI__Intellectual 2350 points

    Hi, I don't know the details of your system, but this sounds reasonable.  You can use the McASP ports on either L13x device to connect to the PCM codec and the TAS5086.  I'm not sure how the CC2560 connects to the DSP.  If it just goes UART, then you should be fine with either OMAP-L13x device.  If it's a BT PCM connection, and needs to go to a different input port than what the PCM device connects to (i.e. if it's async w.r.t. the PCM...I don't know your clocking scheme), you might have to be a little more creative.  On the L137, you have three McASPs, so it's easy; just connect the CC's PCM output to another McASP Rx port.  You only have one McASP on the L138, so you may need to use a McBSP for the CC2560 data (again, if it's PCM data and not just UART).

  • 0 in reply to Tufino
    Prodigy 140 points

    Thanks for the information.  The CC2560 uses UART or PCM.  So it looks like the OMAP is safe choice.