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STM32F427AI 数据表(PDF) 128 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) 128 Page - STMicroelectronics

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Electrical characteristics
STM32F427xx STM32F429xx
128/240
DS9405 Rev 12
Figure 33 and Figure 34 show the main PLL output clock waveforms in center spread and
down spread modes, where:
F0 is fPLL_OUT nominal.
Tmode is the modulation period.
md is the modulation depth.
Figure 33. PLL output clock waveforms in center spread mode
Figure 34. PLL output clock waveforms in down spread mode
Frequency (PLL_OUT)
Time
F0
tmode
2xtmode
md
ai17291
md
Frequency (PLL_OUT)
Time
F0
tmode
2xtmode
2xmd
ai17292b



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