AT91SAM7X256B-CU Atmel, AT91SAM7X256B-CU Datasheet - Page 100

• Manufacturer Part Number: AT91SAM7X256B-CU
• Description: IC MCU 256KB FLASH 100TFBGA
• Manufacturer: Atmel
• Series: AT91SAMr

Specifications of AT91SAM7X256B-CU

• Core Processor: ARM7
• Core Size: 16/32-Bit
• Speed: 55MHz
• Connectivity: CAN, Ethernet, I²C, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, POR, PWM, WDT
• Number Of I /o: 62
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 64K x 8
• Voltage - Supply (vcc/vdd): 1.65 V ~ 1.95 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-TFBGA
• Processor Series: 91S
• Core: ARM7TDMI
• Data Bus Width: 32 bit
• Data Ram Size: 64 KB
• Interface Type: CAN, Ethernet, SPI, I2S, TWI, USART, USB
• Maximum Clock Frequency: 55 MHz
• Number Of Programmable I/os: 62
• Number Of Timers: 3
• Operating Supply Voltage: 3.3 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Temperature Range: - 40 C to + 85 C
• Package: 100TFBGA
• Device Core: ARM7TDMI
• Family Name: 91S
• Maximum Speed: 55 MHz
• On-chip Adc: 8-chx10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

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