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STM32F107VC 数据表(PDF) 72 Page - STMicroelectronics |
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STM32F107VC 数据表(HTML) 72 Page - STMicroelectronics |
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72 / 103 page  Electrical characteristics STM32F105xx, STM32F107xx 72/104 Doc ID 15274 Rev 6 Figure 32. Ethernet RMII timing diagram Table 51 gives the list of Ethernet MAC signals for MII and Figure 32 shows the corresponding timing diagram. Figure 33. Ethernet MII timing diagram Table 50. Dynamic characteristics: Ethernet MAC signals for RMII Symbol Rating Min Typ Max Unit tsu(RXD) Receive data setup time 4 ns tih(RXD) Receive data hold time 2 ns tsu(DV) Carrier sense set-up time 4 ns tih(DV) Carrier sense hold time 2 ns td(TXEN) Transmit enable valid delay time 8 10 16 ns td(TXD) Transmit data valid delay time 7 10 16 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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