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AM652X データシート(PDF) 231 Page - Texas Instruments |
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AM652X データシート(HTML) 231 Page - Texas Instruments |
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231 / 299 page ![]() MII_MRCLK (Input) PMIR4 PMIR5 MII_RXD[3:0], MII_RXDV, MII_RXER (Inputs) SPRS91x_TIMING_PRU_MII_RT_06 MII_TXCLK PMIT2 PMIT3 PMIT1 PMIT4 PMIT4 SPRS91x_TIMING_PRU_MII_RT_05 231 AM6548, AM6528, AM6546 AM6526, AM6527 www.ti.com SPRSP08E – NOVEMBER 2017 – REVISED OCTOBER 2018 Submit Documentation Feedback Product Folder Links: AM6548 AM6528 AM6546 AM6526 AM6527 Specifications Copyright © 2017–2018, Texas Instruments Incorporated Table 5-117. PRU_ICSSG MII_RT Timing Requirements – MII_TXCLK (continued) NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT 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 PMIT4 tt(TX_CLK) Transition time, TX_CLK 10 Mbps 5 ns 100 Mbps 5 ns Figure 5-126. PRU_ICSSG MII_TXCLK Timing Table 5-118. PRU_ICSSG MII_RT Timing Requirements – MII_RXD[3:0], MII_RXDV, and MII_RXER 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 Figure 5-127. PRU_ICSSG MII_RXD[3:0], MII_RXDV, and MII_RXER Timing |
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