SAM3U2E Atmel Corporation, SAM3U2E Datasheet - Page 192

• Manufacturer Part Number: SAM3U2E
• Manufacturer: Atmel Corporation

Specifications of SAM3U2E

• Flash (kbytes): 128 Kbytes
• Pin Count: 144
• Max. Operating Frequency: 96 MHz
• Cpu: Cortex-M3
• # Of Touch Channels: 57
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 96
• Ext Interrupts: 96
• Usb Transceiver: 1
• Quadrature Decoder Channels: 1
• Usb Speed: Hi-Speed
• Usb Interface: Device
• Spi: 5
• Twi (i2c): 2
• Uart: 5
• Ssc: 1
• Sd / Emmc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 16
• Adc Resolution (bits): 12
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 36
• Self Program Memory: YES
• External Bus Interface: 1
• Dram Memory: No
• Nand Interface: Yes
• 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: Yes / No
• Timers: 3
• Output Compare Channels: 3
• Input Capture Channels: 3
• Pwm Channels: 4
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

13.20.9.2
• PRI_11
Priority of system handler 11, SVCall
13.20.9.3
• PRI_15
Priority of system handler 15, SysTick exception
• PRI_14
Priority of system handler 14, PendSV
192
31
23
15
31
23
15
7
7
SAM3U Series
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
6430E–ATARM–29-Aug-11
24
16
24
16
8
0
8
0