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STM32F779IIK7 Scheda tecnica(PDF) 193 Page - STMicroelectronics |
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STM32F779IIK7 Scheda tecnica(HTML) 193 Page - STMicroelectronics |
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193 / 255 page ![]() DocID028294 Rev 4 193/255 STM32F777xx STM32F778Ax STM32F779xx Electrical characteristics 224 Figure 57. Ethernet SMI timing diagram Table 97 gives the list of Ethernet MAC signals for the RMII and Figure 58 shows the corresponding timing diagram. Figure 58. Ethernet RMII timing diagram Table 96. Dynamics characteristics: Ethernet MAC signals for SMI(1) 1. Guaranteed by characterization results. 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 + 1.5 THCLK + 3 tsu(MDIO) Read data setup time 12.5 - - th(MDIO) Read data hold time 0 - - |
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