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XINTF Interface, TMS320F28234

Other Parts Discussed in Thread: TMS320F28234, CONTROLSUITE

I have a problem with the XINTF interface of the TMS320F28234 and Code Coposer Studio 4.1.2

I connect the target board and load the software to the target (SARAM). With the debugger I "Go to main" and the main is reached in the debugging code.

If then I select the "scipt XINTF_enable" I can read and write to the external memory in the memory register. I also can fill the external memory with different data values and also can read it back.

If I configure in software the same registers with the same values as it is done by the script and I stop the code immediately after this initialisation (breakpoint) it is not possible to read or write to external memory. I´ve also checked this registers that their values are like they are configured by code.

Can you please give me an idea what can be the reason for?

Best regards

Mathias

  • I have seen XINTF problems in the F28xxx series (revisions 0 and A). It turns out that a Silicon Errata (http://focus.ti.com/lit/er/sprz272f/sprz272f.pdf) was released this April with many workarounds for issues (3 of them being XINTF issues).

    Please see if you can find any workarounds for your particular problem

  • SBhushan said:

    I have seen XINTF problems in the F28xxx series (revisions 0 and A). It turns out that a Silicon Errata (http://focus.ti.com/lit/er/sprz272f/sprz272f.pdf) was released this April with many workarounds for issues (3 of them being XINTF issues).

    Please see if you can find any workarounds for your particular problem

    Please make sure all of the registers are configured.  In particular the XINTF clock is enabled and the GPIO pins are configured.

    There is an example in controlSUITE (www.ti.com/controlsuite) that configures the XINTF.

    C:\ti\controlSUITE\device_support\f2833x\v132\DSP2833x_examples_ccsv4\xintf_run_from

    Cheers

    Lori