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About unused pins in DM8148

Hi,

If I am not using SATA , PCIe ,  McASP, Vout[1] port Can it be left unconnected?(Is it required to give external pull up or pull down ) What will be the initial state of these pins when the board is powered first time?(Internal pull up/pull-down can only be enabled through software once the board is up if I am not wrong).

Please Clarify.

Regards

Madhura