SAM3S2B Atmel Corporation, SAM3S2B Datasheet - Page 471
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SAM3S2B
Manufacturer Part Number
SAM3S2B
Description
Manufacturer
Atmel Corporation
Specifications of SAM3S2B
Flash (kbytes)
128 Kbytes
Pin Count
64
Max. Operating Frequency
64 MHz
Cpu
Cortex-M3
# Of Touch Channels
23
Hardware Qtouch Acquisition
No
Max I/o Pins
47
Ext Interrupts
47
Usb Transceiver
1
Quadrature Decoder Channels
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
3
Twi (i2c)
2
Uart
4
Ssc
1
Sd / Emmc
1
Graphic Lcd
No
Video Decoder
No
Camera Interface
No
Adc Channels
10
Adc Resolution (bits)
12
Adc Speed (ksps)
1000
Analog Comparators
1
Resistive Touch Screen
No
Dac Channels
2
Dac Resolution (bits)
12
Temp. Sensor
Yes
Crypto Engine
No
Sram (kbytes)
32
Self Program Memory
YES
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
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26.16.26 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.
6500C–ATARM–8-Feb-11
SEL12
SEL8
SEL4
31
23
15
–
7
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
466.
SAM3S
24
16
–
8
0
471
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