Versal Adaptive SoC Technical Reference Manual (AM011)

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1.6 English

The XMPU is configurable either one time or using secure transactions to the APB programming interface. At boot time, the XMPU is configured and its configuration can be locked. If an XMPU register set is locked, the XMPU can only be reconfigured after the next power-on reset (POR). If the configuration is not locked, the XMPU can be reconfigured any number of times by trusted software (using a secure transaction).