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AM652X Fiches technique(PDF) 231 Page - Texas Instruments |
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AM652X Fiches technique(HTML) 231 Page - Texas Instruments |
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231 / 277 page ![]() MDIO_CLK (Output) PRMDI1 PRMDI2 MDIO_DATA (Input) SPRS91x_TIMING_PRU_MII_RT_01 APWM PREP3 SPRSP08_TIMING_ECAP_02 SYNCO 231 AM6548, AM6528, AM6546 AM6526, AM6527 www.ti.com SPRSP08I – NOVEMBER 2017 – REVISED DECEMBER 2019 Submit Documentation Feedback Product Folder Links: AM6548 AM6528 AM6546 AM6526 AM6527 Specifications Copyright © 2017–2019, Texas Instruments Incorporated Table 5-104. PRU_ICSSG ECAP Switching Characteristics NO. PARAMETER DESCRIPTION MIN MAX UNIT PREP3 tw(APWM) Pulse Duration, Auxillary PWM (APWM) output 0+2×P (1) ns PREP4 tw(SYNCO) Pulse Duration, Sync output (asynchronous) 0+P (1) ns (1) P = core_clk period Figure 5-109. PRU_ICSSG ECAP Switching Characteristics 5.9.5.21.6 PRU_ICSSG RGMII, MII_RT, and Switch 5.9.5.21.6.1 PRU_ICSSG MDIO Electrical Data and Timing Table 5-105. PRU_ICSSG MDIO Timing Requirements – MDIO_DATA NO. PARAMETER DESCRIPTION MIN MAX UNIT PRMDI1 tsu(MDIO-MDC) Setup time, MDIO valid before MDC High 90 ns PRMDI2 th(MDC-MDIO) Hold time, MDIO valid from MDC High 0 ns (1) P = Cycle time Figure 5-110. PRU_ICSSG MDIO_DATA Timing – Input Mode Table 5-106. 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 PRMC4 tt(MDC) Transition time, MDC 5 ns |
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