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10K PU to GPMC_NCS0 output pin

Meir Sasson
Prodigy 150 points
Other Parts Discussed in Thread: OMAP3530

Why do Mistral EVM use 10K PU to GPMC_NCS0 output pin (OMAP3530 CBB package, G4 ball)?
GPMC_NCS0 is an output from OMAP to select the memory IC. OMAP uses LVCMOS technology, so external pull-up seems redundant.

  • 0
    TI__Guru 64470 points

    Yes, this pull up resistor is redundant.  Reviewing the OMAP3530 Data Manual, the Ball Characteristics table indicates gpmc_ncs0 is driven high during and just after the release of reset.

    As to the question of "why?", my response would be "just in case".