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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F217VG датащи(PDF) 120 Page - STMicroelectronics |
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STM32F217VG датащи(HTML) 120 Page - STMicroelectronics |
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120 / 175 page  Electrical characteristics STM32F21xxx 120/175 DocID17050 Rev 9 Table 64 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 6.3.16: I/O port characteristics for more details on the input/output alternate function characteristics (CANTX and CANRX). Table 64. Dynamics characteristics: Ethernet MAC signals for MII Symbol Rating Min Typ Max Unit tsu(RXD) Receive data setup time 7.5 - - ns tih(RXD) Receive data hold time 1 - - ns tsu(DV) Data valid setup time 4 - - ns tih(DV) Data valid hold time 0 - - ns tsu(ER) Error setup time 3.5 - - ns tih(ER) Error hold time 0 - - ns td(TXEN) Transmit enable valid delay time - 11 14 ns td(TXD) Transmit data valid delay time - 11 14 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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