at91rm3400 ATMEL Corporation, at91rm3400 Datasheet - Page 87

• Manufacturer Part Number: at91rm3400
• Description: Atmel Advanced At91 Arm Microcontroller
• Manufacturer: ATMEL Corporation

MC Abort Status Register
Register Name:
Access Type:
Reset Value:
Absolute Address:
• UNDADD: Undefined Address Abort Status
0: The last abort was not due to the access of an undefined address in the address space.
1: The last abort was due to the access of an undefined address in the address space.
• MISADD: Misaligned Address Abort Status
0: The last aborted access was not due to an address misalignment.
1: The last aborted access was due to an address misalignment.
• MPU: Memory Protection Unit Abort Status
0: The last aborted access was not due to the Memory Protection Unit.
1: The last aborted access was due to the Memory Protection Unit.
• ABTSZ: Abort Size Status .
• ABTTYP: Abort Type Status .
• MST0: ARM7TDMI Abort Source
0: The last aborted access was not due to the ARM7TDMI.
1: The last aborted access was due to the ARM7TDMI.
1790A–ATARM–11/03
31
23
15
–
–
–
7
–
0
0
1
1
0
0
1
1
ABTTYP
ABTSZ
30
22
14
MC_ASR
Read-only
0x0
0xFFFF FF04
–
–
–
6
–
0
1
0
1
0
1
0
1
29
21
13
–
–
–
5
–
Abort Type
Code Fetch
Abort Size
Data Read
Data Write
Reserved
Half-word
Reserved
Word
Byte
28
20
12
–
–
–
4
–
27
19
11
–
–
3
–
ABTTYP
MPU
26
18
10
–
–
2
SVMST1
MISADD
AT91RM3400
MST1
25
17
9
1
ABTSZ
UNDADD
SVMST0
MST0
24
16
8
0
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