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Chapter 6
Instruction Cache
Preliminary User’s Manual U15839EE1V0UM00
6.2.1 Four Kbytes 2-way set-associative Instruction Cache
The data memory of a 4 KBytes 2-way set-associative instruction cache has two ways, each consisting
of a block of 128 entries of 4 words per line, for a total capacity of 4 KB.
Figure 6-2:
Configuration of 4 KB 2-Way Set-Associative Instruction Cache
INDEX
TAG
3
0
1
2
10
11
25
Tag part
128
entries
Data part (4 words)
2
7
15
Internal bus
1 word
1 word
1 word
1 word
Internal bus
Comparator
15
15
32
32
Selector
Instruction data
4
Way selection control signal on hit
IIHIT
32
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