SAM3N1B Atmel Corporation, SAM3N1B Datasheet - Page 724
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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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Table 35-38. USART SPI Timings
724
Symbol
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
SPI
0
1
2
3
4
5
6
7
8
9
SAM3N
Parameter
SCK Period
Input Data Setup Time
Input Data Hold Time
Chip Select Active to Serial Clock
Output Data Setup Time
Serial Clock to Chip Select Inactive
SCK falling to MISO
MOSI Setup time before SCK rises
MOSI Hold time after SCK rises
SCK rising to MISO
Figure 35-18. USART SPI Slave mode: (Mode 0 or 3)
MISO
MOSI
SCK
NSS
SPI
15
Master Mode
Slave Mode
SPI
9
1.8V domain
3.3V domain
1.8V domain
3.3V domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
1.8v domain
3.3v domain
Conditions
SPI
10
SPI
0.5 * MCK + 2.6
0.5 * MCK + 2.4
1.5 * SCK - 0.9
1.5 * SCK - 0.6
1.5 * MCK -0.3
1.5 * MCK -0.3
2 * MCK + 1.9
2 * MCK + 1.7
1 *SCK - 4.6
1 *SCK - 6
11
MCK/6
Min
-4.7
5.7
5.3
5.9
5.6
-6
0
0
11011A–ATARM–04-Oct-10
Max
22.6
19.8
19.4
3.8
3.6
22
SPI
14
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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