SAM3N4A Atmel Corporation, SAM3N4A Datasheet - Page 178

• Manufacturer Part Number: SAM3N4A
• Manufacturer: Atmel Corporation

Specifications of SAM3N4A

• Flash (kbytes): 256 Kbytes
• Pin Count: 48
• Max. Operating Frequency: 48 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 32
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 79
• Ext Interrupts: 79
• 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): 24
• 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

10.21.9.2
• PRI_11
Priority of system handler 11, SVCall
10.21.9.3
• PRI_15
Priority of system handler 15, SysTick exception
• PRI_14
Priority of system handler 14, PendSV
178
31
23
15
31
23
15
7
7
SAM3N
System Handler Priority Register 2
System Handler Priority Register 3
30
22
14
30
22
14
6
6
The bit assignments are:
The bit assignments are:
29
21
13
29
21
13
5
5
28
20
12
28
20
12
4
4
Reserved
Reserved
Reserved
Reserved
Reserved
PRI_11
PRI_15
PRI_14
27
19
11
27
19
11
3
3
26
18
10
26
18
10
2
2
25
17
25
17
9
1
9
1
11011A–ATARM–04-Oct-10
24
16
24
16
8
0
8
0