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AM3703 Datasheet(PDF) 231 Page - Texas Instruments |
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AM3703 Datasheet(HTML) 231 Page - Texas Instruments |
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231 / 280 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 SWPS038-074 AM3715, AM3703 www.ti.com SPRS616F – JUNE 2010 – REVISED AUGUST 2011 (1) In mmx, x is equal to 0, 1, or 2. Figure 6-48. LS- / FS-USB —Unidirectional Standard 6-Pin Mode 6.6.3.2 FS-USB —Bidirectional Standard 4-pin Mode Table 6-86 and Table 6-87 assume testing over the recommended operating conditions and electrical characteristic conditions below (see Figure 6-49). Table 6-85. LS- / FS-USB Timing Conditions —Bidirectional Standard 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 Condition CLOAD Output load capacitance(1) 15 pF (1) Buffer strength configuration: LB0 = 1. Table 6-86. LS- / FS-USB Timing Requirements —Bidirectional Standard 4-Pin Mode(1) (2) NO. PARAMETER OPP100 OPP50 UNIT MIN MAX MIN MAX FSU10 td(d,se0) Time duration, mmx_txdat and mmx_txse0 low 14 14 ns together during transition FSU11 td(d,se0) Time duration, mmx_txdat and mmx_txse0 high 8 8 ns together during transition FSU12 td(rcvU0) Time duration, mmx_rrxcv undefine during a single 14 14 ns end 0 (mmx_txdat and mmx_txse0 low together) FSU13 td(rcvU1) Time duration, mmx_rxrcv undefine during a single 8 8 ns end 1 (mmx_txdat and mmx_txse0 high together) (1) In mmx, x is equal to 0, 1, or 2. (2) See Section 4.3.4, Processor Clocks. Table 6-87. LS- / FS-USB Switching Characteristics —Bidirectional Standard 4-Pin Mode(1) (2) NO. PARAMETER OPP100 OPP50 UNIT MIN MAX MIN MAX FSU14 td(txenL-dV) 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(d-se0) Skew between mmx_txdat and mmx_txse0 transition 1.5 1.5 ns FSU17 td(dV-txenH) Delay time, mmx_txdat invalid before mmx_txen_n 81.8 81.8 ns high Copyright © 2010–2011, Texas Instruments Incorporated Timing Requirements and Switching Characteristics 231 Submit Documentation Feedback Product Folder Link(s): AM3715 AM3703 |
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