SAM3N2A Atmel Corporation, SAM3N2A Datasheet - Page 376
SAM3N2A
Manufacturer Part Number
SAM3N2A
Description
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
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24.15.21 PMC Oscillator Calibration Register
Name:
Address:
Access:
This register can only be written if the WPEN bit is cleared in
• CAL4: RC Oscillator Calibration bits for 4 MHz
Calibration bits applied to the RC Oscillator when SEL4 is set.
• SEL4: Selection of RC Oscillator Calibration bits for 4 MHz
0 = Default value stored in Flash memory.
1 = Value written by user in CAL4 field of this register.
• CAL8: RC Oscillator Calibration bits for 8 MHz
Calibration bits applied to the RC Oscillator when SEL8 is set.
• SEL8: Selection of RC Oscillator Calibration bits for 8 MHz
0 = Factory determined value stored in Flash memory.
1 = Value written by user in CAL8 field of this register.
• CAL12: RC Oscillator Calibration bits for 12 MHz
Calibration bits applied to the RC Oscillator when SEL12 is set.
• SEL12: Selection of RC Oscillator Calibration bits for 12 MHz
0 = Factory determined value stored in Flash memory.
1 = Value written by user in CAL12 field of this register.
376
SEL12
SEL8
SEL4
31
23
15
–
7
SAM3N
0x400E0510
PMC_OCR
Read-Write
30
22
14
–
6
29
21
13
–
5
28
20
12
–
4
“PMC Write Protect Mode Register” on page
CAL12
CAL8
CAL4
27
19
11
–
3
26
18
10
–
2
25
17
–
9
1
11011A–ATARM–04-Oct-10
374.
24
16
–
8
0
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