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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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STM32MP151AAA3 데이터시트(PDF) 224 Page - STMicroelectronics |
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STM32MP151AAA3 데이터시트(HTML) 224 Page - STMicroelectronics |
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224 / 245 page  Electrical characteristics STM32MP151A 224/245 DS12500 Rev 1 Figure 55. Ethernet MDIO/SMA timing diagram Table 102 gives the list of Ethernet MAC timings for the RMII and Figure 56 shows the corresponding timing diagram. Table 101. Dynamics characteristics: Ethernet MAC timings for MDIO/SMA(1) 1. Guaranteed by characterization results. Symbol Parameter Min Typ Max Unit tMDC MDC cycle time(2.5 MHz) 399 400 401 ns Td(MDIO) Write data valid time 0.5 1 3 tsu(MDIO) Read data setup time 13.5 - - th(MDIO) Read data hold time 0 - - Table 102. Dynamics characteristics: Ethernet MAC timings for RMII(1) 1. Guaranteed by characterization results. Symbol Parameter Min Typ Max Unit tsu(RXD) Receive data setup time 2 - - ns tih(RXD) Receive data hold time 1.5 - - tsu(CRS) Carrier sense setup time 1.5 - - tih(CRS) Carrier sense hold time 1.5 - - td(TXEN) Transmit enable valid delay time 5.5 6.5 9.5 td(TXD) Transmit data valid delay time 6 6.5 10 MS31384V1 ETH_MDC ETH_MDIO(O) ETH_MDIO(I) tMDC td(MDIO) tsu(MDIO) th(MDIO) |
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