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STM32F407IE 데이터시트(PDF) 106 Page - STMicroelectronics |
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STM32F407IE 데이터시트(HTML) 106 Page - STMicroelectronics |
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106 / 154 page ![]() Electrical characteristics STM32F405xx, STM32F407xx 106/154 Doc ID 022152 Rev 1 Table 62 gives the list of Ethernet MAC signals for the RMII and Figure 39 shows the corresponding timing diagram. Figure 39. Ethernet RMII timing diagram Table 63 gives the list of Ethernet MAC signals for MII and Figure 39 shows the corresponding timing diagram. Figure 40. Ethernet MII timing diagram Table 62. Dynamics characteristics: Ethernet MAC signals for RMII(1) 1. TBD stands for “to be defined”. Symbol Rating Min Typ Max Unit tsu(RXD) Receive data setup time TBD TBD TBD ns tih(RXD) Receive data hold time TBD TBD TBD ns tsu(CRS) Carrier sense set-up time TBD TBD TBD ns tih(CRS) Carrier sense hold time TBD TBD TBD ns td(TXEN) Transmit enable valid delay time 0 9.6 21.9 ns td(TXD) Transmit data valid delay time 0 9.9 21 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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