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OMAP3530ECBC 数据表(PDF) 216 Page - Texas Instruments |
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OMAP3530ECBC 数据表(HTML) 216 Page - Texas Instruments |
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216 / 264 page  mmx_txen_n mmx_txdat mmx_txse0 mmx_rxdp mmx_rxdm mmx_rxrcv FSU5 FSU6 FSU7 FSU1 FSU1 FSU2 FSU2 FSU3 FSU4 FSU8 FSU9 Transmit Receive 030-080 6.6.3.2 Multiport Full-Speed Universal Serial Bus (USB) – Bidirectional Standard 4-pin Mode OMAP3530/25 Applications Processor SPRS507F – FEBRUARY 2008 – REVISED OCTOBER 2009 www.ti.com In mmx, x is equal to 0, 1, or 2. Figure 6-43. Low-/Full-Speed USB – Unidirectional Standard 6-pin Mode Table 6-81 and Table 6-82 assume testing over the recommended operating conditions (see Figure 6-44). Table 6-80. Low-/Full-Speed USB Timing Conditions – Bidirectional Standard 4-pin Mode TIMING CONDITION PARAMETER VALUE UNIT Input Conditions tR Input signal rise time 2.0 ns tF Input signal fall time 2.0 ns Output Conditions CLOAD Output load capacitance 15.0 pF Table 6-81. Low-/Full-Speed USB Timing Requirements – Bidirectional Standard 4-pin Mode NO. PARAMETER 1.15 V 1.0 V UNIT MIN MAX MIN MAX FSU10 td(DAT,SE0) Time duration, mmx_txdat and mmx_txse0 low together 14.0 14.0 ns during transition FSU11 td(DAT,SE0) Time duration, mmx_txdat and mmx_txse0 high together 8.0 8.0 ns during transition FSU12 td(RCVU0) Time duration, mmx_rrxcv undefine during a single end 0 14.0 14.0 ns (mmx_txdat and mmx_txse0 low together) FSU13 td(RCVU1) Time duration, mmx_rxrcv undefine during a single end 1 8.0 8.0 ns (mmx_txdat and mmx_txse0 high together) Table 6-82. Low-/Full-Speed USB Switching Characteristics – Bidirectional Standard 4-pin Mode NO. PARAMETER 1.15 V 1.0 V UNIT MIN MAX MIN MAX FSU14 td(TXENL-DATV) Delay time, mmx_txen_n low to mmx_txdat valid 81.8 84.8 81.8 84.8 ns FSU15 td(TXENL-SE0V) Delay time, mmx_txen_n low to mmx_txse0 valid 81.8 84.8 81.8 84.8 ns FSU16 ts(DAT-SE0) Skew between mmx_txdat and mmx_txse0 1.5 1.5 ns transition FSU17 td(DATV-TXENH) Delay time, mmx_txdat invalid before mmx_txen_n 81.8 81.8 ns high TIMING REQUIREMENTS AND SWITCHING CHARACTERISTICS 216 Submit Documentation Feedback |
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