ATSAM3S4CA-CU Atmel, ATSAM3S4CA-CU Datasheet - Page 49

• Manufacturer Part Number: ATSAM3S4CA-CU
• Description: IC MCU 32BIT 256KB FLASH 100BGA
• Manufacturer: Atmel
• Series: SAM3Sr

Specifications of ATSAM3S4CA-CU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 79
• Program Memory Size: 256KB (256K x 8)
• Program Memory Type: FLASH
• Ram Size: 48K x 8
• Voltage - Supply (vcc/vdd): 1.62 V ~ 1.95 V
• Data Converters: A/D 16x10/12b, D/A 2x12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LFBGA
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• 3rd Party Development Tools: JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3S-EK
• Package: 100LFBGA
• Device Core: ARM Cortex M3
• Family Name: AT91
• Maximum Speed: 64 MHz
• Operating Supply Voltage: 1.8|3.3 V
• Data Bus Width: 32 Bit
• Number Of Programmable I/os: 79
• Interface Type: I2C/I2S/SPI/UART/USART/USB
• On-chip Adc: 16-chx12-bit
• On-chip Dac: 2-chx12-bit
• Number Of Timers: 6
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

10.4.3.12
• PRIMASK
0 = no effect
1 = prevents the activation of all exceptions with configurable priority.
10.4.3.13
• 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.
6500C–ATARM–8-Feb-11
31
23
15
31
23
15
7
7
Priority Mask Register
Fault 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 10-2 on page 44
29
21
13
29
21
13
5
5
Table 10-2 on page 44
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
SAM3S Preliminary
25
17
25
17
9
1
9
1
FAULTMASK
PRIMASK
24
16
24
16
8
0
8
0
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