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TMS320F28069M: Making the PCB board, what do I need?

Part Number: TMS320F28069M
Other Parts Discussed in Thread: SN65HVD257, SN65HVD33

Hi,

My project is going to get finished and I would like to have a PCB board designed based on TMSF28069M MCU. I need to have the following components on the board:

1. CAN transceiver (SN65HVD257)

2. RS485/422 transceiver (SN65HVD33)

3. PWMs

4. GPIOs

5. LEDs

My question is what components do I need to have to be able to program the PCB board through MATLAB/Simulink? Right now I'm using the Launchpad which allows me to do so but what do I need for an standalone PCB boards.

Thanks,

--Kash

  • Are you asking how you would program an F28069M after it has been added to a custom board? You will need to add a JTAG section with external header/some other way for the signals to access the MCU externally. You can copy the JTAG section from any other Launchpad or EVM design that has a programmable C2000 on-board.

    Sean
  • Sean,

    Thanks for the information.

    So do you mean I need to use the marked signals to program the custom board?

    I'd like to program my custom board through MATLAB/Simulink which means I need to use USB (XDS100V2). Based on the schematic, if I want to use USB programmer I need to add USB to JTAG, isolators and  EEPROM. But I don't want to have all these components on my custom boards. so I guess I can put a header for each custom board which give me access to JTAG signals then use an external USB programmer to program all the boards. This help me to reduce the cost, dimension and complexity of the board. Please correct me if I'm wrong.

    Thanks,

  • Hi Kash,

    To keep component count low, I would recommend using an external debug probe (ie emulator) connected via a 14-pin JTAG header.  An XDS100 or XDS200 might be good options to consider.

    Between the device and the JTAG connector, I would recommend referring to the datasheet's recommendations.  Please see the section, "Emulator Connection Without Signal Buffering for the MCU" in this device's datasheet:
    http://www.ti.com/lit/gpn/tms320f28069m


    Thank you,
    Brett