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STM32F407IG Datasheet(PDF) 116 Page - STMicroelectronics |
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STM32F407IG Datasheet(HTML) 116 Page - STMicroelectronics |
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116 / 167 page ![]() Electrical characteristics STM32F405xx, STM32F407xx 116/167 Doc ID 022152 Rev 2 Ethernet characteristics Table 61 shows the Ethernet operating voltage. Table 62 gives the list of Ethernet MAC signals for the SMI (station management interface) and Figure 44 shows the corresponding timing diagram. Figure 44. Ethernet SMI timing diagram Table 60. 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 61. 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 62. 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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