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STM32F479AI Scheda tecnica(PDF) 180 Page - STMicroelectronics

Il numero della parte STM32F479AI
Spiegazioni elettronici  ARMCortex-M4 32b MCUFPU, 225DMIPS, up to 2MB Flash/3844KB RAM, USB OTG HS/FS, Ethernet, FMC, dual Quad-SPI, Crypto, Graphical accelerator, Camera IF, LCD-TFT & MIPI DSI
PDF  217 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32F479AI Scheda tecnica(HTML) 180 Page - STMicroelectronics

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Electrical characteristics
STM32F479xx
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DocID028010 Rev 3
Figure 70. NAND controller waveforms for common memory write access
SDRAM waveforms and timings
•
CL = 30 pF on data and address lines.
•
CL = 10 pF on FMC_SDCLK unless otherwise specified.
Table 100. Switching characteristics for NAND Flash read cycles
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
-
th(NOE-D)
FMC_D[15-0] valid data after FMC_NOE high
0
-
td(ALE-NOE) FMC_ALE valid before FMC_NOE low
-
3THCLK − 0.5
th(NOE-ALE) FMC_NWE high to FMC_ALE invalid
3THCLK − 2-
Table 101. Switching characteristics for NAND Flash write cycles
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
-
th(NWE-D)
FMC_NWE high to FMC_D[15-0] invalid
3THCLK − 1-
td(D-NWE)
FMC_D[15-0] valid before FMC_NWE high
5THCLK − 3-
td(ALE-NWE)
FMC_ALE valid before FMC_NWE low
-
3THCLK−0.5
th(NWE-ALE)
FMC_NWE high to FMC_ALE invalid
3THCLK − 1-



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