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OMAP3530ECUS 数据表(PDF) 219 Page - Texas Instruments |
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OMAP3530ECUS 数据表(HTML) 219 Page - Texas Instruments |
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219 / 264 page  mmx_txen_n mmx_txdat mmx_txse0 mmx_rxdp mmx_rxdm mmx_rxrcv FSUT3 FSUT5 FSUT4 FSUT6 FSUT7 FSUT8 FSUT1 FSUT1 FSUT2 FSUT2 Transmit Receive 030-083 6.6.3.5 Multiport Full-Speed Universal Serial Bus (USB) – Bidirectional TLL 4-pin Mode OMAP3530/25 Applications Processor www.ti.com SPRS507F – FEBRUARY 2008 – REVISED OCTOBER 2009 Table 6-88. Low-/Full-Speed USB Switching Characteristics – Unidirectional TLL 6-pin Mode NO. PARAMETER 1.15 V 1.0 V UNIT MIN MAX MIN MAX FSUT3 td(TXENH-DPV) Delay time, mmx_txen_n high to mmx_rxdp valid 81.8 84.8 81.8 84.8 ns FSUT4 td(TXENH-DMV) Delay time, mmx_txen_n high to mmx_rxdm valid 81.8 84.8 81.8 84.8 ns FSUT5 td(DPI-TXENL) Delay time, mmx_rxdp invalid mmx_txen_n low 81.8 81.8 ns FSUT6 td(DMI-TXENL) Delay time, mmx_rxdm invalid mmx_txen_n low 81.8 81.8 ns FSUT7 ts(DP-DM) Skew between mmx_rxdp and mmx_rxdm 1.5 1.5 ns transition FSUT8 ts(DP,DM-RCV) Skew between mmx_rxdp, mmx_rxdm, and 1.5 1.5 ns mmx_rxrcv transition tR(rxrcv) Rise time, mmx_rxrcv 4 4 ns tF(rxrcv) Fall time, mmx_rxrcv 4 4 ns tR(dp) Rise time, mmx_rxdp 4 4 ns tF(dp) Fall time, mmx_rxdp 4 4 ns tR(dm) Rise time, mmx_rxdm 4 4 ns tF(dm) Fall time, mmx_rxdm 4 4 ns In mmx, x is equal to 0, 1, or 2. Figure 6-46. Low-/Full-Speed USB – Unidirectional TLL 6-pin Mode Table 6-90 and Table 6-91 assume testing over the recommended operating conditions (see Figure 6-47). Table 6-89. Low-/Full-Speed USB Timing Conditions – Bidirectional TLL 4-pin Mode TIMING CONDITION PARAMETER VALUE UNIT Input Conditions tR Input signal rise time 2 ns tF Input signal fall time 2 ns Output Conditions CLOAD Output load capacitance 15 pF Submit Documentation Feedback TIMING REQUIREMENTS AND SWITCHING CHARACTERISTICS 219 |
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