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AM652X Folha de dados(PDF) 239 Page - Texas Instruments |
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AM652X Folha de dados(HTML) 239 Page - Texas Instruments |
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239 / 284 page ![]() 7.9.5.21.6.1.2 PRU_ICSSG MDIO Switching Characteristics - MDIO_CLK NO. PARAMETER DESCRIPTION MIN MAX UNIT PRMC1 tc(MDC) Cycle time, MDC 400 ns PRMC2 tw(MDCH) Pulse Duration, MDC High 160 ns PRMC3 tw(MDCL) Pulse Duration, MDC Low 160 ns MDIO_CLK PRMC2 PRMC3 PRMC1 PRMC4 PRMC4 SPRS91x_TIMING_PRU_MII_RT_02 Figure 7-112. PRU_ICSSG MDIO_CLK Switching Characteristics 7.9.5.21.6.1.3 PRU_ICSSG MDIO Switching Characteristics – MDIO_DATA NO. PARAMETER DESCRIPTION MIN MAX UNIT PRMDO1 td(MDC-MDIO) Delay time, MDC low to MDIO valid -150 150 MHz PRMDO1 MDIO_CLK (Output) MDIO_DATA (Output) SPRS91x_TIMING_PRU_MII_RT_03 Figure 7-113. PRU_ICSSG MDIO_DATA Switching Characteristics 7.9.5.21.6.2 PRU_ICSSG RGMII Electrical Data and Timing Table 7-76 presents the PRU_ICSSG RGMII timing conditions. Table 7-76. PRU_ICSSG RGMII Timing Conditions PARAMETER MODE MIN MAX UNIT INPUT CONDITIONS SRI Input slew rate 2.65 5 V/ns OUTPUT CONDITIONS CL Output load capacitance 2 20 pF PCB Connectivity Requirements td(Trace Mismatch Delay) Propagation delay mismatch across all traces RXC, RD[3:0],RX_CTL 50 ps TXC, TD[3:0],TX_CTL 50 ps 7.9.5.21.6.2.1 PRU_ICSSG RGMII Timing Requirements - RGMII_RXC NO. MODE MIN MAX UNIT PRRG1 tc(RXC) Cycle time, RXC 10 Mbps 360 440 ns 100 Mbps 36 44 ns 1000 Mbps 7.2 8.8 ns www.ti.com AM6548, AM6528, AM6546, AM6526 SPRSP52B – DECEMBER 2019 – REVISED JUNE 2021 Copyright © 2022 Texas Instruments Incorporated Submit Document Feedback 239 Product Folder Links: AM6548 AM6528 AM6546 AM6526 |
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