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7.4.4. CHI transaction IDs

Table 7.14 shows the CHI transaction IDs used for each type of transaction.

Table 7.14. CHI transactions
Transaction IDDescription
000nnxxx

Transaction from core nn. Can be a:

  • Read transaction.

  • Write transaction.

  • Cache maintenance transaction.

  • DVM transaction.

  • Barrier transaction.

001001xxTransaction from the ACP interface. Can be a read or write.
00101110Barrier generated in response to a DVM sync snoop from the interconnect.
0100xxxxEviction from L1 or L2 cache. The number of IDs used depends on the configuration.