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STM32F479AI Scheda tecnica(PDF) 152 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
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Electrical characteristics
STM32F479xx
152/217
DocID028010 Rev 3
Ethernet characteristics
Unless otherwise specified, the parameters given in Table 73, Table 74 and Table 75 for
SMI, RMII and MII are derived from tests performed under the ambient temperature, fHCLK
frequency and VDD supply voltage conditions summarized in Table 17, with the following
configuration:
•
Output speed is set to OSPEEDRy[1:0] = 10
•
Capacitive load C = 30 pF
•
Measurement points are done at CMOS levels: 0.5 VDD.
Refer to Section 5.3.20 for more details on the input/output characteristics.
Table 73 gives the list of Ethernet MAC signals for the SMI (station management interface)
and Figure 51 shows the corresponding timing diagram.
Figure 51. Ethernet SMI timing diagram
Table 72. Dynamic characteristics: USB ULPI(1)
1. Guaranteed based on test during characterization.
Symbol
Parameter
Conditions
Min.
Typ.
Max. Unit
tSC
Control in (ULPI_DIR, ULPI_NXT)
setup time
-2.0
-
-
ns
tHC
Control in (ULPI_DIR, ULPI_NXT)
hold time
-1.5
-
-
tSD
Data in setup time
-
1.0
-
-
tHD
Data in hold time
-
1.0
-
-
tDC/tDD Data/control output delay
2.7 V < VDD < 3.6 V,
CL = 20 pF
-7.5
9.0
2.7 V < VDD < 3.6 V,
CL = 15 pF and
-40 < T < 125°C
-
7.5
12.0
1.7 V < VDD < 3.6 V,
CL = 15 pF and
-40 < T < 90°C
-7.5
11.5



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