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STM32F427AI 数据表(PDF) 117 Page - STMicroelectronics

部件名 STM32F427AI
功能描述  32b Arm® Cortex®-M4 MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 com. interfaces, camera & LCD-TFT
PDF  240 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F427AI 数据表(HTML) 117 Page - STMicroelectronics

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DS9405 Rev 12
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STM32F427xx STM32F429xx
Electrical characteristics
197
6.3.8
Wake-up time from low-power modes
The wake-up times given in Table 36 are measured starting from the wake-up event trigger
up to the first instruction executed by the CPU:
•
For Stop or Sleep modes: the wake-up event is WFE.
•
WKUP (PA0) pin is used to wake up from Standby, Stop, and Sleep modes.
All timings are derived from tests performed under ambient temperature and VDD=3.3 V.
Table 36. Low-power mode wakeup timings
Symbol
Parameter
Conditions
Typ(1)
Max(1)
Unit
tWUSLEEP(2) Wakeup from Sleep
-
6
-
CPU
clock
cycle
tWUSTOP(2)
Wakeup from Stop mode
with MR/LP regulator in
normal mode
Main regulator is ON
13.6
-
µs
Main regulator is ON and Flash
memory in Deep power down mode
93
111
Low power regulator is ON
22
32
Low power regulator is ON and Flash
memory in Deep power down mode
103
126
tWUSTOP(2)
Wakeup from Stop mode
with MR/LP regulator in
Under-drive mode
Main regulator in under-drive mode
(Flash memory in Deep power-down
mode)
105
128
Low power regulator in under-drive
mode
(Flash memory in Deep power-down
mode )
125
155
tWUSTDBY
(2)(3)
Wakeup from Standby
mode
-
318
412
1. Evaluated by characterization.
2. The wake-up times are measured from the wake-up event to the point in which the application code reads the first
3. tWUSTDBY maximum value is given at –40 °C.



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