at91sam9260-cj ATMEL Corporation, at91sam9260-cj Datasheet - Page 51

• Manufacturer Part Number: at91sam9260-cj
• Description: At91 Arm Thumb Microcontrollers
• Manufacturer: ATMEL Corporation

11.4.1
6221G–ATARM–31-Jan-08
CP15 Registers Access
Table 11-5.
Notes:
CP15 registers can only be accessed in privileged mode by:
Other instructions like CDP, LDC, STC can cause an undefined instruction exception.
• MCR (Move to Coprocessor from ARM Register) instruction is used to write an ARM register
• MRC (Move to ARM Register from Coprocessor) instruction is used to read the value of
to CP15.
CP15 to an ARM register.
Register
1. Register locations 0, 5 and 13 each provide access to more than one register. The register
2. Register location 9 provides access to more than one register. The register accessed depends
10
11
12
13
13
14
15
9
accessed depends on the value of the opcode_2 field.
on the value of the CRm field.
CP15 Registers
Name
TCM region
TLB lockdown
Reserved
Reserved
FCSE PID
Context ID
Reserved
Test configuration
(1)
(1)
Read/write
Read/write
None
None
Read/write
Read/Write
None
Read/Write
Read/Write
AT91SAM9260
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