SAM7X256 Atmel Corporation, SAM7X256 Datasheet - Page 100

• Manufacturer Part Number: SAM7X256
• Manufacturer: Atmel Corporation

Specifications of SAM7X256

• Flash (kbytes): 256 Kbytes
• Pin Count: 100
• Max. Operating Frequency: 55 MHz
• Cpu: ARM7TDMI
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 62
• Ext Interrupts: 62
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 2
• Twi (i2c): 1
• Uart: 3
• Can: 1
• Ssc: 1
• Ethernet: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 64
• Self Program Memory: NO
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 3.3
• Operating Voltage (vcc): 3.0 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: No

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
SAM7X512/256/128
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
6120I–ATARM–06-Apr-11
ABTSZ
SVMST_EMAC
MST_EMAC
UNDADD
24
16
8
0