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AM6548BACDXEAF Datasheet(PDF) 242 Page - Texas Instruments |
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AM6548BACDXEAF Datasheet(HTML) 242 Page - Texas Instruments |
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242 / 282 page ![]() 7.9.5.21.6.3.2 PRU_ICSSG MII_RT Timing Requirements – MII_RXD[3:0], MII_RX_DV, and MII_RX_ER NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT PMIR4 tsu(RXD-RX_CLK) Setup time, RXD[3:0] valid before RX_CLK 10 Mbps 8 ns tsu(RX_DV-RX_CLK) Setup time, RX_DV valid before RX_CLK 8 ns tsu(RX_ER-RX_CLK) Setup time, RX_ER valid before RX_CLK 8 ns tsu(RXD-RX_CLK) Setup time, RXD[3:0] valid before RX_CLK 100 Mbps 8 ns tsu(RX_DV-RX_CLK) Setup time, RX_DV valid before RX_CLK 8 ns tsu(RX_ER-RX_CLK) Setup time, RX_ER valid before RX_CLK 8 ns PMIR5 th(RX_CLK-RXD) Hold time, RXD[3:0] valid after RX_CLK 10 Mbps 8 ns th(RX_CLK-RX_DV) Hold time, RX_DV valid after RX_CLK 8 ns th(RX_CLK-RX_ER) Hold time, RX_ER valid after RX_CLK 8 ns th(RX_CLK-RXD) Hold time, RXD[3:0] valid after RX_CLK 100 Mbps 8 ns th(RX_CLK-RX_DV) Hold time, RX_DV valid after RX_CLK 8 ns th(RX_CLK-RX_ER) Hold time, RX_ER valid after RX_CLK 8 ns MII_MRCLK (Input) PMIR4 PMIR5 MII_RXD[3:0], MII_RXDV, MII_RXER (Inputs) SPRS91x_TIMING_PRU_MII_RT_06 Figure 7-119. PRU_ICSSG MII_RXD[3:0], MII_RXDV, and MII_RXER Timing 7.9.5.21.6.3.3 PRU_ICSSG MII_RT Switching Characteristics – MII_TX_CLK NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT PMIT1 tc(TX_CLK) Cycle time, TX_CLK 10 Mbps 399.96 400.04 ns 100 Mbps 39.996 40.004 ns PMIT2 tw(TX_CLKH) Pulse Duration, TX_CLK High 10 Mbps 140 260 ns 100 Mbps 14 26 ns PMIT3 tw(TX_CLKL) Pulse Duration, TX_CLK Low 10 Mbps 140 260 ns 100 Mbps 14 26 ns MII_TXCLK PMIT2 PMIT3 PMIT1 PMIT4 PMIT4 SPRS91x_TIMING_PRU_MII_RT_05 Figure 7-120. PRU_ICSSG MII_TX_CLK Switching Characteristics AM6548, AM6528, AM6526 SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021 www.ti.com 242 Submit Document Feedback Copyright © 2021 Texas Instruments Incorporated Product Folder Links: AM6548 AM6528 AM6526 |
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