Техническая Спецификация для Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK
Модели
AT91SAM9N12-EK
Glossary
Glossary-20
Copyright © 2001-2003 ARM Limited. All rights reserved.
ARM DDI0198D
Cache terminology diagram
The diagram below illustrates the following cache terminology:
•
block address
•
cache line
•
cache set
•
cache way
•
index
•
tag.
Tag
Tag
Tag
Tag
Index
Word
Hit
(way number)
Read data
(way that corresponds)
=
3
1
Tag
0
0
2
1
3
4
5
6
7
n
Byte
Cache way
Cache set
m
1
2
0
Cache line
2
Block address
Line number
Word number
Cache tag RAM
Cache data RAM