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TMS320F280039C: 80-PIN package and VREGENZ pin

SY Yoon
Genius 3380 points
Part Number: TMS320F280039C

Hi, 

In TRM, TI say VREGENZ pin is replaced by GPIO39. for more details, see the TMS320F28003x data manual.

But in datasheet, there are no information.

Can GPIO39 be used as VREGENZ pin?

I understand that the 80-pin package doesn't support external VREG mode and  the VREGENZ pin is not required.

But TRM describes the VREGENZ and GPIO39.

We need to clarify about this feature.

  • 0
    TI__Mastermind 19795 points

    Hi Sy Yoon,

    Thank you for your question. The VREGENZ pin on F28003x is not the same pin as GPIO39. VREGENZ and GPIO39 are not on the same packages.

    You use VREGENZ as mentioned in the VREGENZ section of the datasheet.

    Regards,

    Vince