SAM3N2B Atmel Corporation, SAM3N2B Datasheet - Page 273

• Manufacturer Part Number: SAM3N2B
• Manufacturer: Atmel Corporation

Specifications of SAM3N2B

• Flash (kbytes): 128 Kbytes
• Pin Count: 64
• 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: 3
• Twi (i2c): 2
• Uart: 4
• Ssc: 1
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 10
• Adc Resolution (bits): 10
• Adc Speed (ksps): 384
• Resistive Touch Screen: No
• Dac Channels: 1
• Dac Resolution (bits): 10
• 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

17. General Purpose Backup Registers (GPBR)
17.1
17.2
17.3
Table 17-1.
11011A–ATARM–04-Oct-10
11011A–ATARM–04-Oct-10
Offset
0x1C
0x0
Description
Embedded Characteristics
General Purpose Backup Registers (GPBR) User Interface
...
Register Mapping
Register
General Purpose Backup Register 0
...
General Purpose Backup Register 7
The System Controller embeds Eight general-purpose backup registers.
Eight 32-bit General Purpose Backup Registers
Name
...
SYS_GPBR0
SYS_GPBR7
Read-write
Read-write
Access
...
SAM3N
SAM3N
Reset
...
–
–
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