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Original question:

TMS320F28P650DK: uart_ex1_echoback example.

TMS320F28P650DK: uart example

seokyeong park
Prodigy 50 points
Part Number: TMS320F28P650DK
Other Parts Discussed in Thread: C2000WARE,

Hello,

I have a question regarding TMDSCNC F28P650DK9.

Currently, I am planning to develop based on TMDSCNC F28P650DK9.

The problem is that the 'uart_ex1_echoback.c' example from C2000Ware_5_01_00_00 does not run. There are no errors in the build, but when trying to perform echoback using Putty, there is no input.

Also, I understand that more than 4 UARTs can be used. If there is any related information available, it would be helpful.

seokyeong.

  • 0
    Prodigy 50 points

    I don't have much knowledge about development. I built the code and put it into CPU1, but I didn't do anything with CPU2. And I only connected J1.

  • +1 in reply to seokyeong park
    TI__Expert 3385 points

    Hi Seokyeong,

    The UART and SCI are two different peripherals in F28P65x (both of which support the standard UART protocol). To interface with the UART, you would need to connect the configured GPIOs to your PC via a transceiver and cable, as mentioned in the example description. The SCI-A peripheral can be used by connecting to J1 via USB cable. You can refer to the F28P65x schematic and sci_ex3_echoback.c for more details on this setup.

    TMS320F28P650DK has 2 SCI modules, 2 UART modules, and also 2 LIN modules which can be operated in SCI mode.

    Thanks,

    Arnav