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7.4.5. CHI nodes

CHI transactions are sent to a specific node in the interconnect based on the:

  • Type of access.

  • Address of the access.

  • Settings of the System Address Map.

Addresses that map to an HN-F node can be marked as cacheable memory in the page tables, and can take part in the cache coherency protocol. Addresses that map to an HN-I or MN must be marked as device or non-cacheable memory.