Atmel SAM4S-EK2 Atmel ATSAM4S-EK2 ATSAM4S-EK2 Scheda Tecnica
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Codici prodotto
ATSAM4S-EK2
344
SAM4S [DATASHEET]
11100E–ATARM–24-Jul-13
22.5.6 Cache Controller Maintenance Register 1
Name:
CMCC_MAINT1
Address:
0x4007C024
Access: Write-only
• INDEX: Invalidate Index
This field indicates the cache line that is being invalidated.
The size of the INDEX field depends on the cache size:
– for 2 Kbytes: 5 bits
– for 4 Kbytes: 6 bits
– for 8 Kbytes: 7 bits, and so on
• WAY: Invalidate Way
31
30
29
28
27
26
25
24
WAY
–
–
–
–
–
–
23
22
21
20
19
18
17
16
–
–
–
–
–
–
–
–
15
14
13
12
11
10
9
8
–
–
–
–
–
–
–
INDEX
7
6
5
4
3
2
1
0
INDEX
–
–
–
–
Value
Name
Description
0
WAY0
Way 0 is selection for
index invalidation
index invalidation
1
WAY1
Way 1 is selection for
index invalidation
index invalidation
2
WAY2
Way 2 is selection for
index invalidation
index invalidation
3
WAY3
Way 3 is selection for
index invalidation
index invalidation