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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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STM32F207VCT7 датащи(PDF) 124 Page - STMicroelectronics |
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STM32F207VCT7 датащи(HTML) 124 Page - STMicroelectronics |
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124 / 184 page  Electrical characteristics STM32F20xxx 124/184 DocID15818 Rev 15 Table 65 gives the list of Ethernet MAC signals for MII and Figure 50 shows the corresponding timing diagram. Figure 51. 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 65. 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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