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STM32F107VC 数据表(PDF) 67 Page - STMicroelectronics |
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STM32F107VC 数据表(HTML) 67 Page - STMicroelectronics |
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67 / 95 page ![]() STM32F105xx, STM32F107xx Electrical characteristics Doc ID 15274 Rev 4 67/95 Table 49 gives the list of Ethernet MAC signals for the RMII and Figure 27 shows the corresponding timing diagram. Figure 27. Ethernet RMII timing diagram Table 50 gives the list of Ethernet MAC signals for MII and Figure 27 shows the corresponding timing diagram. Figure 28. Ethernet MII timing diagram Table 49. Dynamics characteristics: Ethernet MAC signals for RMII(1) 1. TBD stands for to be determined. 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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