4.3 PPC interrupts

The PPC has a level-sensitive interrupt output, irq, that can indicate the occurrence of a security violation.

For read transactions, the irq_enable_rd signal controls whether the PPC can set irq HIGH when a security violation occurs during a read transaction.

For write transactions, the irq_enable_wr signal controls whether the PPC can set irq HIGH when a security violation occurs during a write transaction.

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