SAM7X256_14 Datasheet, PDF (96/662 Pages) ATMEL Corporation – ARM-based Flash MCU

18.4.2 MC Abort Status Register
Register Name:
Access Type:
Reset Value:
Offset:
MC_ASR
Read-only
0x0
0x04
31
30
29
28
27
26
–
–
–
–
–
SVMST_ARM
23
22
21
20
19
18
–
–
–
–
–
MST_ARM
15
14
13
12
11
10
–
–
–
–
ABTTYP
7
6
5
4
3
2
–
–
–
–
–
–
• 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.
• ABTSZ: Abort Size Status
25
SVMST_PDC
24
SVMST_EMAC
17
MST_PDC
16
MST_EMAC
9
8
ABTSZ
1
MISADD
0
UNDADD
ABTSZ
0
0
0
1
1
0
1
1
• ABTTYP: Abort Type Status
Abort Size
Byte
Half-word
Word
Reserved
ABTTYP
0
0
0
1
1
0
1
1
Abort Type
Data Read
Data Write
Code Fetch
Reserved
• MST_EMAC: EMAC Abort Source
0: The last aborted access was not due to the EMAC.
1: The last aborted access was due to the EMAC.
SAM7X Series [DATASHEET] 96
6120K–ATARM–11-Feb-14