SelectMAP Signals

Versal ACAP Technical Reference Manual (AM011)

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1.5 English

In SelectMAP boot mode, the MIO pins are configured by the BootROM to use:

  • Default drive strength (8 mA)
  • Default slew rate (slow)
  • Default weak pull-ups (enabled)
  • Enables the Schmitt trigger
  • Disables the 3-state override

The remaining MIOs are not set by the BootROM and remain at their default state. If a secure lockdown occurs during boot, the BootROM sets the PMC_GLOBAL TRISTATE_OVERRIDE register to force all I/Os into a tristate mode. This register is then reserved for use by the PLM.