ATSAM3X4EA-AU Atmel, ATSAM3X4EA-AU Datasheet - Page 67

• Manufacturer Part Number: ATSAM3X4EA-AU
• Description: ARM Microcontrollers - MCU QFP144,GREEN, IND TEMP, MRL A
• Manufacturer: Atmel

Specifications of ATSAM3X4EA-AU

• Rohs: yes
• Core: ARM Cortex M3
• Processor Series: SAM3X
• Data Bus Width: 32 bit
• Maximum Clock Frequency: 84 MHz
• Program Memory Size: 256 KB
• Data Ram Size: 64 KB
• On-chip Adc: Yes
• Operating Supply Voltage: 2.4 V to 3.6 V
• Operating Temperature Range: - 40 C to +85 C
• Package / Case: LQFP-144
• Mounting Style: SMD/SMT
• Factory Pack Quantity: 60

12.4.3.12
• PRIMASK
0: no effect
1: prevents the activation of all exceptions with configurable priority.
12.4.3.13
• FAULTMASK
0: no effect
1: prevents the activation of all exceptions.
The processor clears the FAULTMASK bit to 0 on exit from any exception handler except the NMI handler.
11057B–ATARM–28-May-12
11057B–ATARM–28-May-12
31
23
15
31
23
15
7
7
Fault Mask Register
Priority Mask Register
30
22
14
30
22
14
6
6
The PRIMASK register prevents activation of all exceptions with configurable priority. See the
register summary in
The FAULTMASK register prevents activation of all exceptions. See the register summary in
Table 12-2 on page 62
29
21
13
29
21
13
5
5
Table 12-2 on page 62
Reserved
Reserved
for its attributes. The bit assignments are:
28
20
12
28
20
12
4
4
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
27
19
11
27
19
11
3
3
for its attributes. The bit assignments are:
26
18
10
26
18
10
2
2
25
17
25
17
9
1
9
1
SAM3X/A
SAM3X/A
FAULTMASK
PRIMASK
24
16
24
16
8
0
8
0
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