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TMS320F280049C: Differences in pin mapping for J6 and J8 between board and manual

Aditya Padmanabha
Expert 1440 points
Part Number: TMS320F280049C


Hi,

For F280049C LaunchPad I see that the pin order of the LaunchPad does not match with the one mentioned in the specification. In the manual I see that the order of the pins is J8 and J6 from left to right but in the launchPad i see the order as J6 and J8 from left to right. See the picture below. Also when I try to access the pin, I found that the order as per the board J6 and J8 does not work and the order mentioned in the manual is correct. Can you check on this?

 

  • 0
    Guru 30330 points

    Aditya,

    Thank you for pointing out this issue. You are correct that there is an inconsistency.

    The outer row on that header should be J6 with pin numbers 51-60. The inner row is J8 with pin numbers 71-80. The pin labels are correct on the bottom side of the board. 

     In http://www.ti.com/lit/SPRUII7, Figure 3the pin numbering is swapped between J6 and J8, though the Signals themselves are in the right location. i.e. GND is the upper right-most pin. 

    In the schematic Sheet 2 (also Figure 5 in SPRUII7), J6 and J8 labels are swapped, but the signals are correct.

    I will be submitting documentation fixes and will correct the schematic for the next revision of the PCB. I cannot tell you when the next revision will be released. 

    Thanks for pointing this out.

    Regards,
    Mark