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AT91SAM7X256 Datasheet(PDF) 96 Page - ATMEL Corporation

No. de Pieza. AT91SAM7X256
Descripción  AT91 ARM Thumb-based Microcontrollers
Descarga  664 Pages
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Fabricante  ATMEL [ATMEL Corporation]
Página de inicio  http://www.atmel.com
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AT91SAM7X256 Datasheet(HTML) 96 Page - ATMEL Corporation

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96
6120D–ATARM–02-Feb-06
AT91SAM7X256/128 Preliminary
19.4.2
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
765
4
3
2
1
0
–––
MISADD
UNDADD
ABTSZ
Abort Size
00
Byte
0
1
Half-word
10
Word
11
Reserved
ABTTYP
Abort Type
0
0
Data Read
0
1
Data Write
1
0
Code Fetch
11
Reserved


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