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STM32F407IG Datasheet(PDF) 122 Page - STMicroelectronics |
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STM32F407IG Datasheet(HTML) 122 Page - STMicroelectronics |
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122 / 180 page ![]() Electrical characteristics STM32F405xx, STM32F407xx 122/180 Doc ID 022152 Rev 3 Ethernet characteristics Table 63 shows the Ethernet operating voltage. Table 64 gives the list of Ethernet MAC signals for the SMI (station management interface) and Figure 45 shows the corresponding timing diagram. Figure 45. Ethernet SMI timing diagram Table 62. ULPI timing Parameter Symbol Value(1) 1. VDD = 2.7 V to 3.6 V and TA = –40 to 85 °C. Unit Min. Max. Control in (ULPI_DIR) setup time tSC -2.0 ns Control in (ULPI_NXT) setup time - 1.5 Control in (ULPI_DIR, ULPI_NXT) hold time tHC - Data in setup time tSD -2.0 Data in hold time tHD 0- Control out (ULPI_STP) setup time and hold time tDC -9.2 Data out available from clock rising edge tDD - 10.7 Table 63. Ethernet DC electrical characteristics Symbol Parameter Min.(1) 1. All the voltages are measured from the local ground potential. Max.(1) Unit Input level VDD Ethernet operating voltage 2.7 3.6 V Table 64. Dynamics characteristics: Ethernet MAC signals for SMI(1) 1. TBD stands for “to be defined”. Symbol Rating Min Typ Max Unit tMDC MDC cycle time (1.71 MHz, AHB = 72 MHz) TBD TBD TBD ns td(MDIO) MDIO write data valid time TBD TBD TBD ns tsu(MDIO) Read data setup time TBD TBD TBD ns th(MDIO) Read data hold time TBD TBD TBD ns ETH_MDC ETH_MDIO(O) ETH_MDIO(I) tMDC td(MDIO) tsu(MDIO) th(MDIO) ai15666c |
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