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STM32F207IE 数据表(PDF) 108 Page - STMicroelectronics |
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STM32F207IE 数据表(HTML) 108 Page - STMicroelectronics |
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108 / 163 page  Electrical characteristics STM32F205xx, STM32F207xx 108/163 Doc ID 15818 Rev 7 Table 60 gives the list of Ethernet MAC signals for MII and Figure 47 shows the corresponding timing diagram. Figure 48. Ethernet MII timing diagram CAN (controller area network) interface Refer to Section 5.3.16: I/O port characteristics for more details on the input/output alternate function characteristics (CANTX and CANRX). Table 60. Dynamics characteristics: Ethernet MAC signals for MII(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(DV) Data valid setup time TBD TBD TBD ns tih(DV) Data valid hold time TBD TBD TBD ns tsu(ER) Error setup time TBD TBD TBD ns tih(ER) Error hold time TBD TBD TBD ns td(TXEN) Transmit enable valid delay time 13.4 15.5 17.7 ns td(TXD) Transmit data valid delay time 12.9 16.1 19.4 ns 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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