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TMS570LC4357: The mbiSPI3 and 5 set to gio. not working

gloria zee
Prodigy 50 points
Part Number: TMS570LC4357
Other Parts Discussed in Thread: HALCOGEN

The mbiSPI3 and 5 set to gio. not working

but mbispi1 set to gio able to work

halcogen same setting. 

Any idea?

  • 0
    TI__Guru 70351 points

    Hi Gloria,

    I created one project to test MIBSPI3 pins as GIO and it worked well for me.

    I am attaching my project here please go through it.

    MIBSPI3_AS_GIO_LC4357.zip

    I tested CLK, SIMO and SOMI as GIO, i tested by setting breakpoints for SET and CLR and verified waveforms in logic analyzer and i got the waveforms properly.

    And i would like to mention one more thing here, that is if you want to configure MIBSPI pin as GIO which doesn't have MIBSPI as default function.

    for example, E3 doesn't have MIBSPI3NCS[4] as default function, it has N2HET1[11] as default function.

    in those cases, make sure to configure MIBSPI functionality in pin mux table of HALCoGen like as below.

    After configuring as MIBSPI only, the gioSetBit functionality will work. But for default MIBSPI functionality pins, we no need to configure pinmux table and pins will directly work.

    --

    Thanks & regards,
    Jagadish.