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STM32F207IE 数据表(PDF) 112 Page - STMicroelectronics |
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STM32F207IE 数据表(HTML) 112 Page - STMicroelectronics |
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112 / 177 page ![]() Electrical characteristics STM32F20xxx 112/177 Doc ID 15818 Rev 9 Figure 45. ULPI timing diagram Ethernet characteristics Table 60 shows the Ethernet operating voltage. Table 61 gives the list of Ethernet MAC signals for the SMI (station management interface) and Figure 46 shows the corresponding timing diagram. Table 59. ULPI timing Symbol Parameter Value(1) 1. VDD = 2.7 V to 3.6 V and TA = –40 to 85 °C. Unit Min. Max. tSC Control in (ULPI_DIR) setup time - 2.0 ns Control in (ULPI_NXT) setup time - 1.5 tHC Control in (ULPI_DIR, ULPI_NXT) hold time 0 - tSD Data in setup time - 2.0 tHD Data in hold time 0 - tDC Control out (ULPI_STP) setup time and hold time - 9.2 tDD Data out available from clock rising edge - 10.7 Table 60. Ethernet DC electrical characteristics Symbol Parameter Min.(1) 1. All the voltages are measured from the local ground potential. Max.(1) Unit Input level VDD Ethernet operating voltage 2.7 3.6 V Clock Control In (ULPI_DIR, ULPI_NXT) data In (8-bit) Control out (ULPI_STP) data out (8-bit) tDD tDC tHD tSD tHC tSC ai17361c tDC |
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