SAM3N4A Atmel Corporation, SAM3N4A Datasheet - Page 725
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SAM3N4A
Manufacturer Part Number
SAM3N4A
Description
Manufacturer
Atmel Corporation
Specifications of SAM3N4A
Flash (kbytes)
256 Kbytes
Pin Count
48
Max. Operating Frequency
48 MHz
Cpu
Cortex-M3
# Of Touch Channels
32
Hardware Qtouch Acquisition
No
Max I/o Pins
79
Ext Interrupts
79
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)
24
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 (Continued)
Notes:
11011A–ATARM–04-Oct-10
Symbol
SPI
SPI
SPI
SPI
SPI
SPI
10
11
12
13
14
15
1. 1.8V domain: VDDIO from 1.65V to 1.95V, maximum external capacitor = 25pF
2. 3.3V domain: VDDIO from 3.0V to 3.6V, maximum external capacitor = 25pF.
Parameter
MOSI Setup time before SCK falls
MOSI Hold time after SCK falls
NPCS0 setup to SCK rising
NPCS0 hold after SCK falling
NPCS0 setup to SCK falling
NPCS0 hold after SCK rising
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
2.5 * MCK -0.26
1.5 * MCK + 2.2
1.5 * MCK + 1.8
1.5 * MCK + 1.7
2.5 * MCK -0.4
2.5 * MCK -0.4
2.5 * MCK -0.4
2 * MCK + 1.8
2 * MCK + 1.7
1.5 * MCK + 2
Min
0.5
0.4
Max
SAM3N
Units
ns
ns
ns
ns
ns
ns
725
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