SAM3N4A Atmel Corporation, SAM3N4A Datasheet - Page 629
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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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32.5.2
11011A–ATARM–04-Oct-10
Power Management
All of the PWM outputs may or may not be enabled. If an application requires only four channels,
then only four PIO lines will be assigned to PWM outputs.
Table 32-2.
The PWM is not continuously clocked. The programmer must first enable the PWM clock in the
Power Management Controller (PMC) before using the PWM. However, if the application does
not require PWM operations, the PWM clock can be stopped when not needed and be restarted
later. In this case, the PWM will resume its operations where it left off.
Configuring the PWM does not require the PWM clock to be enabled.
Instance
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
PWM
I/O Lines
Signal
PWM0
PWM0
PWM0
PWM0
PWM0
PWM0
PWM0
PWM1
PWM1
PWM1
PWM1
PWM1
PWM1
PWM2
PWM2
PWM2
PWM2
PWM2
PWM2
PWM3
PWM3
PWM3
PWM3
PWM3
I/O Line
PC18
PC22
PC19
PC10
PC20
PC11
PC21
PB14
PA11
PA23
PA12
PA24
PA13
PA25
PA14
PB0
PC8
PB1
PC9
PB4
PA0
PA1
PA2
PA7
SAM3N
Peripheral
A
B
B
A
B
B
B
A
B
B
A
B
B
A
B
B
B
B
B
B
B
B
B
B
629
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