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参数资料
型号： ATSAM3U1CB-CU
厂商： Atmel
文件页数： 14/60页
文件大小： 0K
描述： IC MCU 64KB CORTEX-M3 100-TFBGA
标准包装： 260
系列： SAM3U
核心处理器： ARM? Cortex?-M3
芯体尺寸： 32-位
速度： 96MHz
连通性： EBI/EMI，I²C，MMC，SPI，SSC，UART/USART，USB
外围设备： 欠压检测/复位，DMA，I²S，POR，PWM，WDT
输入/输出数： 57
程序存储器容量： 64KB（64K x 8）
程序存储器类型： 闪存
RAM 容量： 20K x 8
电压 - 电源 (Vcc/Vdd)： 1.62 V ~ 1.95 V
数据转换器： A/D 4x10b，4x12b
振荡器型： 内部
工作温度： -40°C ~ 85°C
封装/外壳： 100-TFBGA
包装： 托盘
21
6430FS–ATARM–10-Feb-12
SAM3U Series
5.5.4
Low Power Mode Summary Table
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. Table 5-1 below shows a summary
of the configurations of the low power modes.
Notes:
1. When considering wake-up time, the time required to start the PLL is not taken into account. Once started, the device works
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.
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 A total current consumption - without using internal voltage regulator.
15 A total current consumption - 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.
Table 5-1.
Low Power Mode Configuration Summary
Mode
SUPC,
32 kHz
Oscillator
RTC RTT
Backup
Registers,
POR
(VDDBU
Region)
Regulator
Core
Memory
Peripherals
Mode Entry
Potential Wake Up
Sources
Core at
Wake Up
PIO State
while in Low
Power Mode
PIO State
at Wake Up
Consumption
(2) (3)
Wake-up
Time
(1)
Backup
Mode
ON
OFF
SHDN =0
OFF
(Not powered)
WFE
+SLEEPDEEP
bit = 1
FWUP pin
WKUP0-15 pins
BOD alarm
RTC alarm
RTT alarm
Reset
Previous
state saved
PIOA &
PIOB &
PIOC
Inputs with
pull ups
2.5 A typ(4)
< 0.5 ms
Wait
Mode
ON
SHDN =1
Powered
(Not clocked)
WFE
+SLEEPDEEP
bit = 0
+LPM bit = 1
Any Event from: Fast
startup through
WKUP0-15 pins
RTC alarm
RTT alarm
USB wake-up
Clocked
back
Previous
state saved
Unchanged 8 A/15 A (5) < 10 s
Sleep
Mode
ON
SHDN =1
Powered(7)
(Not clocked)
WFE or WFI
+SLEEPDEEP
bit = 0
+LPM bit = 0
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
Clocked
back
Previous
state saved
Unchanged (6)
(6)
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