Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Data Sheet

4-10

ARM DDI0198D

Table 4-7 shows values of S and NSETS for an ARM926EJ-S cache.

Figure 4-2 shows the ARM926EJ-S cache associativity. In Figure 4-2, the following 
points apply:

•

the group of tags of the same Index define a Set

•

the number of tags in a Set is the Associativity

3

1

TAG

0

0

2

1

3
4
5

6

7

n

2

31

S+5 S+4 5 4

2 1 0

Tag

Index

Word

Byte

4KB

5

32

8KB

6

64

16KB

7

128

32KB

8

256

64KB

9

512

128KB

10

1024