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STM32F427AI 数据表(PDF) 188 Page - STMicroelectronics

部件名 STM32F427AI
功能描述  ARM Cortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/2564KB RAM, USB OTG HS/FS, Ethernet, 17 TIMs, 3 ADCs, 20 comm. interfaces, camera & LCD-TFT
PDF  239 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) 188 Page - STMicroelectronics

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Electrical characteristics
STM32F427xx STM32F429xx
188/238
DocID024030 Rev 9
Figure 71. NAND controller waveforms for common memory read access
Figure 72. NAND controller waveforms for common memory write access
Table 100. Switching characteristics for NAND Flash read cycles(1)
1. CL = 30 pF.
Symbol
Parameter
Min
Max
Unit
tw(N0E)
FMC_NOE low width
4THCLK − 0.5 4THCLK+0.5
ns
tsu(D-NOE)
FMC_D[15-0] valid data before FMC_NOE high
9
-
ns
th(NOE-D)
FMC_D[15-0] valid data after FMC_NOE high
0
-
ns
td(ALE-NOE) FMC_ALE valid before FMC_NOE low
-
3THCLK − 0.5
ns
th(NOE-ALE) FMC_NWE high to FMC_ALE invalid
3THCLK − 2-
ns



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