Atmel Evaluation Kit AT91SAM9M10-G45-EK AT91SAM9M10-G45-EK Datenbogen
Produktcode
AT91SAM9M10-G45-EK
40
SAM9M10 [DATASHEET]
6355F–ATARM–12-Mar-13
9.5
CP15 Coprocessor
Coprocessor 15, or System Control Coprocessor CP15, is used to configure and control all the items in the list
below:
below:
• ARM9EJ-S
• Caches (ICache, DCache and write buffer)
• TCM
• MMU
• Other system options
Notes:
1. Register locations 0,5, and 13 each provide access to more than one register. The register accessed depends on
the value of the opcode_2 field.
2. Register location 9 provides access to more than one register. The register accessed depends on the value of the
CRm field.
Table 9-5.
CP15 Registers
Register
Name
Read/Write
0
Read/Unpredictable
0
Read/Unpredictable
0
Read/Unpredictable
1
Control
Read/write
2
Translation Table Base
Read/write
3
Domain Access Control
Read/write
4 Reserved
None
5
Data fault Status
Read/write
5
Instruction fault status
Read/write
6
Fault Address
Read/write
7
Cache Operations
Read/Write
8
TLB operations
Unpredictable/Write
9
Read/write
9
TCM region
Read/write
10
TLB lockdown
Read/write
11
Reserved
None
12
Reserved
None
13
FCSE PID
Read/write
13
Read/Write
14 Reserved
None
15 Test
configuration
Read/Write