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TDA2SA Datasheet(PDF) 293 Page - Texas Instruments |
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TDA2SA Datasheet(HTML) 293 Page - Texas Instruments |
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293 / 427 page ![]() REF_CLK (PRCM) rmiin_txd1−rmiin_txd0, rmiin_txen (Outputs) SPRS8xx_GMAC_RMIITX_06 RMII7 RMII8 RMII9 RMII11 RMII10 293 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 Table 7-77. Switching Characteristics Over Recommended Operating Conditions for GMAC REF_CLK - RMII Operation (continued) NO. PARAMETER DESCRIPTION MIN MAX UNIT RMII9 tw(REF_CLKL) Pulse duration, REF_CLK low 7 13 ns RMII10 tt(REF_CLK) Transistion time, REF_CLK 3 ns Table 7-78. Switching Characteristics Over Recommended Operating Conditions for GMAC RMIIn Transmit 10/100 Mbits/s NO. PARAMETER DESCRIPTION RMIIn MIN MAX UNIT RMII11 td(REF_CLK-TXD) Delay time, REF_CLK high to selected transmit signals valid RMII0 2 13.5 ns tdd(REF_CLK-TXEN) td(REF_CLK-TXD) RMII1 2 13.8 ns tdd(REF_CLK-TXEN) Figure 7-51. GMAC Transmit Interface Timing RMIIn Operation In Table 7-79 are presented the specific groupings of signals (IOSET) for use with GMAC RMII signals. Table 7-79. GMAC RMII IOSETs SIGNALS IOSET1 IOSET2 BALL MUX BALL MUX GMAC RMII1 RMII_MHZ_50_CLK U3 0 rmii1_txd1 V5 2 rmii1_txd0 V4 2 rmii1_rxd1 W9 2 rmii1_rxd0 V9 2 rmii1_rxer Y1 2 rmii1_txen U5 2 rmii1_crs V2 2 GMAC RMII0 RMII_MHZ_50_CLK U3 0 rmii0_txd1 Y2 1 rmii0_txd0 W2 1 rmii0_rxd1 V6 1 rmii0_rxd0 U6 1 rmii0_txen V3 1 rmii0_rxer U7 1 rmii0_crs V7 1 |
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