SAM3N1B Atmel Corporation, SAM3N1B Datasheet - Page 333
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SAM3N1B
Manufacturer Part Number
SAM3N1B
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N1B
Flash (kbytes)
64 Kbytes
Pin Count
64
Max. Operating Frequency
48 MHz
Cpu
Cortex-M3
# Of Touch Channels
17
Hardware Qtouch Acquisition
No
Max I/o Pins
34
Ext Interrupts
34
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)
8
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
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23. Clock Generator
23.1
23.2
11011A–ATARM–04-Oct-10
Description
Embedded Characteristics
The Clock Generator User Interface is embedded within the Power Management Controller and
is described in
the Clock Generator registers are named CKGR_.
The Clock Generator is made up of:
It provides the following clocks:
• A Low Power 32,768 Hz Slow Clock Oscillator with bypass mode
• A Low Power RC Oscillator
• A 3 to 20 MHz Crystal or Ceramic Resonator-based Oscillator which can be bypassed
• A factory programmed Fast RC Oscillator, 3 output frequencies can be selected: 4, 8 or
• A 60 to 130 MHz programmable PLL (input from 3.5 to 20 MHz), capable of providing the
• SLCK, the Slow Clock, which is the only permanent clock within the system
• MAINCK is the output of the Main Clock Oscillator selection: either the Crystal or Ceramic
• PLLCK is the output of the Divider and 60 to 130 MHz programmable PLL
12 MHz. By default 4 MHz is selected.
clock MCK to the processor and to the peripherals.
Resonator-based Oscillator or 4/8/12 MHz Fast RC Oscillator
Section 24.15 ”Power Management Controller (PMC) User
Interface”. However,
SAM3N
333
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