Example: 1KB Direct Mapped Cache with 32B Blocks

• For a 1024 (210) byte cache with 32-byte blocks:

  • The uppermost 22 = (32 - 10) address bits are the Cache Tag
  • The lowest 5 address bits are the Byte Select (Block Size = 25)
  • The next 5 address bits (bit5 - bit9) are the Cache Index

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