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STM32F407IE 데이터시트(PDF) 123 Page - STMicroelectronics |
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STM32F407IE 데이터시트(HTML) 123 Page - STMicroelectronics |
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123 / 180 page ![]() STM32F405xx, STM32F407xx Electrical characteristics Doc ID 022152 Rev 3 123/180 Table 65 gives the list of Ethernet MAC signals for the RMII and Figure 46 shows the corresponding timing diagram. Figure 46. Ethernet RMII timing diagram Table 66 gives the list of Ethernet MAC signals for MII and Figure 46 shows the corresponding timing diagram. Figure 47. Ethernet MII timing diagram Table 65. Dynamics characteristics: Ethernet MAC signals for RMII Symbol Rating Min Typ Max Unit tsu(RXD) Receive data setup time 2 - - ns tih(RXD) Receive data hold time 1 - - ns tsu(CRS) Carrier sense set-up time 0.5 - - ns tih(CRS) Carrier sense hold time 2 - - ns td(TXEN) Transmit enable valid delay time 8 9.5 11 ns td(TXD) Transmit data valid delay time 8.5 10 11.5 ns 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 MII_RX_CLK MII_RXD[3:0] MII_RX_DV MII_RX_ER td(TXEN) td(TXD) tsu(RXD) tsu(ER) tsu(DV) tih(RXD) tih(ER) tih(DV) ai15668 MII_TX_CLK MII_TX_EN MII_TXD[3:0] |
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