ATSAM3U2EA-AU Atmel, ATSAM3U2EA-AU Datasheet - Page 21
![IC MCU 32BIT 128KB FLASH 144LQFP](/photos/6/72/67244/144l1-lqfp_sml.jpg)
ATSAM3U2EA-AU
Manufacturer Part Number
ATSAM3U2EA-AU
Description
IC MCU 32BIT 128KB FLASH 144LQFP
Manufacturer
Atmel
Series
SAM3Ur
Specifications of ATSAM3U2EA-AU
Core Processor
ARM® Cortex-M3™
Core Size
32-Bit
Speed
96MHz
Connectivity
EBI/EMI, I²C, MMC, SPI, SSC, UART/USART, USB
Peripherals
Brown-out Detect/Reset, DMA, I²S, POR, PWM, WDT
Number Of I /o
96
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
36K x 8
Voltage - Supply (vcc/vdd)
1.65 V ~ 1.95 V
Data Converters
A/D 8x10b, 8x12b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
144-LQFP
Controller Family/series
SAM3U
No. Of I/o's
96
Ram Memory Size
36KB
Cpu Speed
96MHz
No. Of Timers
3
Rohs Compliant
Yes
Processor Series
ATSAM3x
Core
ARM Cortex M3
Data Bus Width
32 bit
Data Ram Size
36 KB
Interface Type
4xUSART, 2xTWI, 5xSPI, Bus
Maximum Clock Frequency
96 MHz
Number Of Programmable I/os
96
Number Of Timers
8
Operating Supply Voltage
1.62 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
JTRACE-CM3, MDK-ARM, RL-ARM, ULINK2
Development Tools By Supplier
ATSAM3U-EK
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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- Download datasheet (25Mb)
5.5.4
Table 5-1.
Notes:
6430D–ATARM–25-Mar-11
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. BOD current consumption is not included.
4. Current consumption on VDDBU.
5. 8 μA total current consumption - without using internal voltage regulator.
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
(VDDBU
Region)
Backup
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.
15 μA total current consumption - using internal voltage regulator.
ON
ON
ON
Low Power Mode Configuration Summary
Regulator
SHDN =0
SHDN =1
SHDN =1
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)
Peripherals
(Not clocked)
(Not clocked)
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
FWUP pin
WKUP0-15 pins
BOD alarm
RTC alarm
RTT alarm
Any Event from: Fast
startup through
WKUP0-15 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 WKUP0-15
pins
RTC alarm
RTT alarm
USB wake-up
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 8 μA/15 μA
Unchanged
at Wake Up
PIO State
SAM3U Series
below shows a summary
2.5 μA typ
(6)
Consumption
(2) (3)
(4)
(5)
< 0.5 ms
< 10 μs
(6)
Wake-up
Time
(1)
21
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