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Clarification on OMAP3530 GPIO

Murugan Mayileri
Intellectual 390 points

Other Parts Discussed in Thread: TPS65930, OMAP3530

Hi,

We are doing design using OMAP3530+TPS65930 chips.

I have clarification regarding GPIO's

1) JTAG emulation signals (EMU0,EMU1) are multiplexed with GPIO's in OMAP3530 processor.
 Can i use these GPIO's after Power on reset?
 2) Sys_clkout1 and sys_clkout2 signals are multiplexed with GPIO's in OMAP3530 processor.
 Can i configure as GPIO's and use for some other applications?


Please clarify the above  questions.

Thanks and Regards,

Murugan.M

 

 

  • 0
    TI__Guru 64840 points

    Murugan Mayileri said:

    1) JTAG emulation signals (EMU0,EMU1) are multiplexed with GPIO's in OMAP3530 processor.
     Can i use these GPIO's after Power on reset?

    Yes, you can configure these pins to be GPIOs after reset.

     

    Murugan Mayileri said:

    2) Sys_clkout1 and sys_clkout2 signals are multiplexed with GPIO's in OMAP3530 processor.
     Can i configure as GPIO's and use for some other applications?

    Yes, you can configure these pins to be GPIOs after reset.

  • 0 in reply to BrandonAzbell
    Intellectual 390 points

    Hi Brandon,

    Thanks for your confirmation.

    Since in some places mainly for sys_boot pins i studied that extreme care should be taken when using as GPIO's.

    Thatswhy i got doubt with these signals as well.

    Do you have any checklist to confirm about using GPIO's?

    If so please share with me.

     

    Regards,

    Murugan