Datasheet

96
SAM7X Series [DATASHEET]
6120K–ATARM–11-Feb-14
18.4.2 MC Abort Status Register
Register Name:MC_ASR
Access Type: Read-only
Reset Value:0x0
Offset: 0x04
• 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
• ABTTYP: Abort Type Status
• 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.
31 30 29 28 27 26 25 24
– – – – – SVMST_ARM SVMST_PDC SVMST_EMAC
23 22 21 20 19 18 17 16
– – – – – MST_ARM MST_PDC MST_EMAC
15 14 13 12 11 10 9 8
– – – – ABTTYP ABTSZ
76543 2 1 0
––––– –MISADDUNDADD
ABTSZ Abort Size
00 Byte
01 Half-word
10 Word
11 Reserved
ABTTYP Abort Type
0 0 Data Read
0 1 Data Write
1 0 Code Fetch
11 Reserved