5.3 Secondary Cache Indexing
Table 5-2 presents the secondary cache tag array index for each secondary cache size; it shows each index is composed of a physical address loaded onto SC(A,B)Addr(), concatenated with SCTWay and SCTagLSBAddr.
Table 5-2 Secondary Cache Tag Array Index
For a system design that only supports a secondary cache block size of 32 words, the secondary cache tag array need not use SCTagLSBAddr as an index bit.