ATSAM3S4AA-MU Atmel, ATSAM3S4AA-MU Datasheet - Page 45

• Manufacturer Part Number: ATSAM3S4AA-MU
• Description: IC MCU 32BIT 256KB FLASH 48QFN
• Manufacturer: Atmel
• Series: SAM3Sr

Specifications of ATSAM3S4AA-MU

• Core Processor: ARM® Cortex-M3™
• Core Size: 32-Bit
• Speed: 64MHz
• Connectivity: I²C, MMC, SPI, SSC, UART/USART, USB
• Peripherals: Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
• Number Of I /o: 34
• 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 8x10/12b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-VQFN Exposed Pad, 48-HVQFN, 48-SQFN, 48-DHVQFN
• Processor Series: ATSAM3x
• Core: ARM Cortex M3
• 3rd Party Development Tools: JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
• Development Tools By Supplier: ATSAM3S-EK
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / Rohs Status: Details

10.4.3.5
• APSR:
• IPSR:
• EPSR:
6500C–ATARM–8-Feb-11
31
23
15
31
23
15
31
23
15
N
7
7
7
Program Status Register
30
22
14
30
22
14
30
22
14
Z
6
6
6
The Program Status Register (PSR) combines:
These registers are mutually exclusive bitfields in the 32-bit PSR. The bit assignments are:
• Application Program Status Register (APSR)
• Interrupt Program Status Register (IPSR)
• Execution Program Status Register (EPSR).
Reserved
29
21
13
29
21
13
29
21
13
C
5
5
5
ICI/IT
Reserved
28
20
12
28
20
12
28
20
12
V
4
4
4
ISR_NUMBER
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
27
19
11
27
19
11
27
19
11
Q
3
3
3
26
18
10
26
18
10
26
18
10
2
2
2
SAM3S Preliminary
ICI/IT
Reserved
25
17
25
17
25
17
9
1
9
1
9
1
Reserved
ISR_NUMBER
24
16
24
16
24
16
T
8
0
8
0
8
0
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