AT91SAM7X128 Atmel, AT91SAM7X128 Datasheet - Page 100

• Manufacturer Part Number: AT91SAM7X128
• Description: MCU 32-Bit 91S ARM7TDMI RISC 128KB Flash 1.8V/3.3V 100-Pin LQFP
• Manufacturer: Atmel

Specifications of AT91SAM7X128

• Package: 100LQFP
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• Ram Size: 32 KB
• Program Memory Size: 128 KB
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Program Memory Type: Flash
• Number Of Programmable I/os: 62
• Interface Type: CAN/Ethernet/SPI/I2S/TWI/USART/USB
• On-chip Adc: 8-chx10-bit
• Operating Temperature: -40 to 85 °C
• Number Of Timers: 3

18.4.2
Register Name:
Access Type:
Reset Value:
Offset:
• 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.
100
31
23
15
–
–
–
7
–
0
0
1
1
0
0
1
1
AT91SAM7X512/256/128 Preliminary
MC Abort Status Register
ABTTYP
ABTSZ
MC_ASR
Read-only
0x0
0x04
30
22
14
–
–
–
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
SVMST_ARM
MST_ARM
26
18
10
2
–
SVMST_PDC
MST_PDC
MISADD
25
17
9
1
6120H–ATARM–17-Feb-09
ABTSZ
SVMST_EMAC
MST_EMAC
UNDADD
24
16
8
0