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STM32F427NET7 数据表(PDF) 184 Page - STMicroelectronics

部件名 STM32F427NET7
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  231 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

STM32F427NET7 数据表(HTML) 184 Page - STMicroelectronics

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Electrical characteristics
STM32F427xx STM32F429xx
184/231
DocID024030 Rev 6
SDRAM waveforms and timings
Figure 73. SDRAM read access waveforms (CL = 1)
Table 101. Switching characteristics for NAND Flash write cycles(1)
1. CL = 30 pF.
Symbol
Parameter
Min
Max
Unit
tw(NWE)
FMC_NWE low width
4THCLK
4THCLK+1
ns
tv(NWE-D)
FMC_NWE low to FMC_D[15-0] valid
0
-
ns
th(NWE-D)
FMC_NWE high to FMC_D[15-0] invalid
3THCLK − 1-
ns
td(D-NWE)
FMC_D[15-0] valid before FMC_NWE high
5THCLK − 3-
ns
td(ALE-NWE)
FMC_ALE valid before FMC_NWE low
-
3THCLK−0.5 ns
th(NWE-ALE)
FMC_NWE high to FMC_ALE invalid
3THCLK − 1-
ns



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