SAM3N2A Atmel Corporation, SAM3N2A Datasheet - Page 46

• Manufacturer Part Number: SAM3N2A
• Manufacturer: Atmel Corporation

Specifications of SAM3N2A

• Flash (kbytes): 128 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 48 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 23
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 47
• Ext Interrupts: 47
• Quadrature Decoder Channels: 2
• Usb Speed: No
• Usb Interface: No
• Spi: 2
• Twi (i2c): 2
• Uart: 3
• Ssc: 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): 16
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 1.8/3.3
• Operating Voltage (vcc): 1.62 to 3.6
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 6
• Output Compare Channels: 6
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

10.4.3.5
• APSR:
• IPSR:
• EPSR:
46
31
23
15
31
23
15
31
23
15
N
7
7
7
SAM3N
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
ICI/IT
Reserved
25
17
25
17
25
17
9
1
9
1
9
1
11011A–ATARM–04-Oct-10
Reserved
ISR_NUMBER
24
16
24
16
24
16
T
8
0
8
0
8
0