SAM3N4A Atmel Corporation, SAM3N4A Datasheet - Page 20
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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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5.5.4
Table 5-1.
Notes:
20
Mode
Backup
Mode
Wait
Mode
Sleep
Mode
1. When considering wake-up time, the time required to start the PLL is not taken into account. Once started, the device works
2. The external loads on PIOs are not taken into account in the calculation.
3. Supply Monitor current consumption is not included.
4. Total Current consumption.
5. 5 µA on VDDCORE, 15 µA for total current consumption (using internal voltage regulator), 8 µA for total current consumption
6. Depends on MCK frequency.
7. In this mode the core is supplied and not clocked but some peripherals can be clocked.
Registers,
Oscillator
RTC RTT
(Backup
Region)
Backup
SAM3N
SUPC,
32 kHz
Low Power Mode Summary Table
POR
with the 4/8/12 MHz Fast RC oscillator. The user has to add the PLL start-up time if it is needed in the system. The wake-up
time is defined as the time taken for wake up until the first instruction is fetched.
(without using internal voltage regulator).
ON
ON
ON
Low Power Mode Configuration Summary
Regulator
OFF
ON
ON
The modes detailed above are the main low power modes. Each part can be set to on or off sep-
arately and wake up sources can be individually configured.
of the configurations of the low power modes.
(Not powered)
(Not clocked)
(Not clocked)
Peripherals
Powered
Memory
Powered
Core
OFF
(7)
+SLEEPDEEP
+SLEEPDEEP
+SLEEPDEEP
+LPM bit = 1
+LPM bit = 0
Mode Entry
WFE or WFI
bit = 1
bit = 0
bit = 0
WFE
WFE
WUP0-15 pins
BOD alarm
RTC alarm
RTT alarm
Any Event from: Fast
startup through
WUP0-15 pins
RTC alarm
RTT alarm
USB wake-up
Entry mode = WFI
Interrupt Only; Entry
mode = WFE Any
Enabled Interrupt
and/or Any Event
from: Fast start-up
through WUP0-15
pins
RTC alarm
RTT alarm
Potential Wake Up
Sources
Reset
Clocked
back
Clocked
back
Wake Up
Core at
Previous
state saved
Previous
state saved
Previous
state saved
while in Low
Power Mode
PIO State
Table 5-1
PIOA &
PIOB &
PIOC
Inputs with
pull ups
Unchanged 5 µA/15 µA
Unchanged
at Wake Up
PIO State
below shows a summary
3 µA typ
(6)
Consumption
11011A–ATARM–04-Oct-10
(2) (3)
(4)
(5)
< 0.1 ms
< 10 µs
(6)
Wake Up
Time
(1)
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