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STM32F415RG 数据表(PDF) 129 Page - STMicroelectronics |
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STM32F415RG 数据表(HTML) 129 Page - STMicroelectronics |
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129 / 186 page  DocID022063 Rev 4 129/186 STM32F415xx, STM32F417xx Electrical characteristics Table 66 gives the list of Ethernet MAC signals for MII and Figure 48 shows the corresponding timing diagram. Figure 49. Ethernet MII timing diagram Table 65. Dynamic 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 Table 66. Dynamic characteristics: Ethernet MAC signals for MII(1) 1. Data based on characterization results, not tested in production. Symbol Parameter Min Typ Max Unit tsu(RXD) Receive data setup time 9 - ns tih(RXD) Receive data hold time 10 - tsu(DV) Data valid setup time 9 - tih(DV) Data valid hold time 8 - tsu(ER) Error setup time 6 - tih(ER) Error hold time 8 - td(TXEN) Transmit enable valid delay time 0 10 14 td(TXD) Transmit data valid delay time 0 10 15 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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