Atmel ARM-Based Evaluation Kit AT91SAM9N12-EK AT91SAM9N12-EK Fiche De Données
Codes de produits
AT91SAM9N12-EK
Caches and Write Buffer
ARM DDI0198D
Copyright © 2001-2003 ARM Limited. All rights reserved.
4-7
1
1
Write-back
DCache enabled:
Read hit
Read from DCache
Read miss
Linefill
Write hit
Write to the DCache only
Write miss
Buffered store to external memory.
Table 4-4 Page table C and B bit settings for the DCache (continued)
Page
table
C bit
table
C bit
Page
table
B bit
table
B bit
Description
ARM926EJ-S behavior