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STM32F427AI 数据表(PDF) 31 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) 31 Page - STMicroelectronics

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DS9405 Rev 12
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STM32F427xx STM32F429xx
Functional overview
44
Figure 9. Startup in regulator OFF: slow VDD slope
- power-down reset risen after VCAP_1/VCAP_2 stabilization
1. This figure is valid whatever the internal reset mode (ON or OFF).
Figure 10. Startup in regulator OFF mode: fast VDD slope
- power-down reset risen before VCAP_1/VCAP_2 stabilization
1. This figure is valid whatever the internal reset mode (ON or OFF).
ai18491f
VDD
time
Min V12
PDR = 1.7 V or 1.8 V
VCAP_1 / VCAP_2
V12
NRST
time
VDD
time
Min V12
VCAP_1 / VCAP_2
V12
PA0 asserted externally
NRST
time
ai18492e
PDR = 1.7 V or 1.8 V



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