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AM6548 датащи(PDF) 228 Page - Texas Instruments |
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AM6548 датащи(HTML) 228 Page - Texas Instruments |
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228 / 299 page ![]() RGMII_RXC PRRG2 PRRG3 PRRG1 SPRS91x_TIMING_PRU_RGMII_RT_04 PRRG4 228 AM6548, AM6528, AM6546 AM6526, AM6527 SPRSP08E – NOVEMBER 2017 – REVISED OCTOBER 2018 www.ti.com Submit Documentation Feedback Product Folder Links: AM6548 AM6528 AM6546 AM6526 AM6527 Specifications Copyright © 2017–2018, Texas Instruments Incorporated Table 5-112. PRU-ICSSG RGMII Timing Requirements - RGMII_RCLK NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT PRRG1 tc(RXC) Cycle time, RXC 10 Mbps TBD TBD ns 100 Mbps TBD TBD ns 1000 Mbps 7.2 8.8 ns PRRG2 tw(RXCH) Pulse duration, RXC high 10 Mbps TBD TBD ns 100 Mbps TBD TBD ns 1000 Mbps 3.6 4.4 ns PRRG3 tw(RXCL) Pulse duration, RXC low 10 Mbps TBD TBD ns 100 Mbps TBD TBD ns 1000 Mbps 3.6 4.4 ns PRRG4 tt(RXC) Transition time, RXC 10 Mbps TBD ns 100 Mbps TBD ns 1000 Mbps 0.75 ns Figure 5-121. PRU_ICSSG RGMII_RCLK Input Timing Table 5-113. PRU-ICSSG RGMII Timing Requirements - RGMII_RD[3:0] and RGMII_RCTL NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT PRRG5 tsu(RD-RXC) Setup time, RD[3:0] valid before RXC high/low 10 Mbps TBD ns 100 Mbps TBD ns 1000 Mbps 1 ns tsu(RX_CTL-RXC) Setup time, RX_CTL valid before RXC high/low 10 Mbps TBD ns 100 Mbps TBD ns 1000 Mbps 1 ns PRRG6 th(RXC-RD) Hold time, RD[3:0] valid after RXC high/low 10 Mbps TBD ns 100 Mbps TBD ns 1000 Mbps 1 ns th(RXC-RX_CTL) Hold time, RX_CTL valid after RXC high/low 10 Mbps TBD ns 100 Mbps TBD ns 1000 Mbps 1 ns PRRG7 tt(RD) Transition time, RD 10 Mbps TBD ns 100 Mbps TBD ns 1000 Mbps 0.75 ns tt(RX_CTL) Transition time, RX_CTL 10 Mbps TBD ns 100 Mbps TBD ns 1000 Mbps 0.75 ns |
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