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TAS3251: Related to TAS3251 Firmware

chiko fan
Prodigy 165 points
Part Number: TAS3251


Hi there,

  We would like to develop a new amplifier design base on TAS3251, if we want to keep the function to use PPC3 for tuning, is it a must to keep using MSP430 and the XMOS USB chip, in order to let PPC3 recognize the board. Or is there any method to let us keep using PPC3 as a main tweak tools, but can mostly change what is using in the TAS3251EVM, or even into our own design?

Best,

Geego

  • 0
    TI__Mastermind 19080 points

    Hi Geego,

    So you would like to use the PPC3 as real-time adjustment tool, right? 

    PPC3 GUI depends on the XMOS to link the GUI and TAS3251 via USB. Have you got an EVM? If yes, you can disable the IC on EVM, and fly the I2C wires and audio input signals to your board. If not, you may need to build your own board to do the linking. Essentially, the XMOS translate the commands from USB to I2C for the TAS3251. All the changes you did on GUI will be accepted by TAS3251 in I2C communication.

    Thanks!

    Regards,

    Sam

  • 0 in reply to Sam(MPAA) Zhang
    Prodigy 165 points

    Hi Sam,

      Thanks for the detailed explanation, this helps a lot.

    Best,

    Geego

  • 0 in reply to chiko fan
    Prodigy 165 points

    Hi Sam,

      About the XMOS chip, we are first time to work on this chip, can i ask do the XMOS chip to work with PPC3 need a specific FW or just XMOS's IC chip will already include what is needed for PPC3. Also can you give us some direction on how to connect the XMOS chip to the TAS3251, is there any PDF document that in order these kinds of instruction?

      Thanks for helping.

    Best,

    Geego

  • 0 in reply to chiko fan
    TI__Mastermind 19080 points

    Hi Geego,

    PPC3 needs to work together with XMOS chip... To achieve this, you will need to do exactly the same schematic design(I mean the I/O connection) with EVM, and load the XMOS firmware. I can share the EVM schematic and XMOS firmware to you.

    The role of XMOS on the EVM is to do the USB-I2C transition. This can also be done with other MCU, processor or something like that on your hand. Not necessary to be the XMOS chip.

    Thanks!

    Regards,

    Sam

  • 0 in reply to Sam(MPAA) Zhang
    Prodigy 165 points

    Hi Sam,

      Thanks for your information, if we can provide a detail schematics, can we ask for your help to check it out to see if the design will work on the PPC3. Also we will need XMOS firmware and method to burn the firmware to the IC.

    Best,

    Geego.

  • 0 in reply to Sam(MPAA) Zhang
    Prodigy 165 points

    Hi Sam,

      It would be very kind of you to provide a XMOS firmware, and the schematics for the EVM. Can you send it to us through email?

      We did send you an email regarding a detailed schematics of our design, can you please check it and see will it work on PPC3?

      Thank you for helping.

    Best,

    Geego

  • 0 in reply to chiko fan
    TI__Mastermind 22312 points

    Hi Geego, 

    Sam is on national public holiday (China) until tomorrow. He will answer to your email shortly. 

    All the best, 

    Carolina