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TDA2SA Datasheet(PDF) 291 Page - Texas Instruments |
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TDA2SA Datasheet(HTML) 291 Page - Texas Instruments |
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291 / 427 page ![]() 1 MDIO4 MDIO5 MDIO7 MDIO2 MDIO3 MDIO6 MDIO6 MDCLK MDIO (input) MDIO (output) 291 TDA2SX, TDA2SG, TDA2SA TDA2HG, TDA2HV, TDA2HF, TDA2LF www.ti.com SPRS951F – DECEMBER 2015 – REVISED MAY 2019 Submit Documentation Feedback Product Folder Links: TDA2SX TDA2SG TDA2SA TDA2HG TDA2HV TDA2HF TDA2LF Timing Requirements and Switching Characteristics Copyright © 2015–2019, Texas Instruments Incorporated 7.21.2 GMAC MDIO Interface Timings CAUTION The IO Timings provided in this section are only valid for some GMAC usage modes when the corresponding Virtual IO Timings or Manual IO Timings are configured as described in the tables found in this section. Table 7-72, Table 7-72 and Figure 7-49 present timing requirements for MDIO. Table 7-72. Timing Requirements for MDIO Input No PARAMETER DESCRIPTION MIN MAX UNIT MDIO1 tc(MDC) Cycle time, MDC 400 ns MDIO2 tw(MDCH) Pulse Duration, MDC High 160 ns MDIO3 tw(MDCL) Pulse Duration, MDC Low 160 ns MDIO4 tsu(MDIO-MDC) Setup time, MDIO valid before MDC High 90 ns MDIO5 th(MDIO_MDC) Hold time, MDIO valid from MDC High 0 ns Table 7-73. Switching Characteristics Over Recommended Operating Conditions for MDIO Output NO PARAMETER DESCRIPTION MIN MAX UNIT MDIO6 tt(MDC) Transition time, MDC 5 ns MDIO7 td(MDC-MDIO) Delay time, MDC low to MDIO valid -150 150 ns Figure 7-49. GMAC MDIO diagrams In Table 7-74 are presented the specific groupings of signals (IOSET) for use with GMAC MDIO signals. Table 7-74. GMAC MDIO IOSETs SIGNALS IOSET7 IOSET8 IOSET9 IOSET10 BALL MUX BALL MUX BALL MUX BALL MUX mdio_d F6 3 U4 0 AB4 1 B20 5 mdio_mclk D3 3 V1 0 AC5 1 B21 5 |
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