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STM32F479AI Folha de dados(PDF) 153 Page - STMicroelectronics

Nome de Peças STM32F479AI
Descrição Electrónicos  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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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
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STM32F479AI Folha de dados(HTML) 153 Page - STMicroelectronics

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STM32F479xx
Electrical characteristics
190
Table 74 gives the list of Ethernet MAC signals for the RMII and Figure 52 shows the
corresponding timing diagram.
Figure 52. Ethernet RMII timing diagram
Table 73. Dynamics characteristics: Ethernet MAC signals for SMI(1)
1. Guaranteed based on test during characterization.
Symbol
Parameter
Min
Typ
Max
Unit
tMDC
MDC cycle time(2.38 MHz)
400
400
403
ns
Td(MDIO) Write data valid time
THCLK - 1
THCLK
THCLK + 1.5
tsu(MDIO) Read data setup time
12.5
-
-
th(MDIO)
Read data hold time
0
-
-
RMII_REF_CLK
RMII_TX_EN
RMII_TXD[1:0]
RMII_RXD[1:0]
RMII_CRS_DV
td(TXEN)
td(TXD)
tsu(RXD)
tsu(CRS)
tih(RXD)
tih(CRS)
ai15667



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