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AM335x SYSBOOT pullup/pulldown resistor values

Manoj Agarwal
Expert 1030 points
Other Parts Discussed in Thread: TMDSSK3358

Hi,

As per TMDSSK3358 board schematic. pull up and pull down value for boot mode pin is 100K and 10K respectively. Please let me know why these value are different. Can we use same value for pull and pull down resistor?. In beagle bone board schematic these value are 100K.

Regards

Manoj A

  • 0
    TI__Guru**** 393215 points
    Hi,

    You can use any value you choose as long as this ensures that:
    1. SYSBOOT pins are in the desired state at reset release time.
    2. The external resistors do not corrupt the signals on these pins during runtime.