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AM261...ZNC 数据表(PDF) 111 Page - Texas Instruments |
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AM261...ZNC 数据表(HTML) 111 Page - Texas Instruments |
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111 / 218 page ![]() 6.11.5.1.2 CPSW RGMII Timing 6.11.5.1.2.1 CPSW RGMII Timing Conditions PARAMETER MIN MAX UNIT INPUT CONDITIONS SRI Input Slew Rate 2.64 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 RGMII[x]_RXC RGMII[x]_RD[3:0] RGMII[x]_RX_CTL 50 ps RGMII[x]_TXC RGMII[x]_TD[3:0] RGMII[x]_TX_CTL 50 ps 6.11.5.1.2.2 CPSW RGMII[x]_RCLK Timing Requirements - RGMII Mode NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT RGMII1 tc(RXC) Cycle time, RXC 10Mbps 360 440 ns 100Mbps 36 44 ns 1000Mbps 7.2 8.8 ns RGMII2 tw(RXCH) Pulse duration, RXC high 10Mbps 160 240 ns 100Mbps 16 24 ns 1000Mbps 3.6 4.4 ns RGMII3 tw(RXCL) Pulse duration, RXC low 10Mbps 160 240 ns 100Mbps 16 24 ns 1000Mbps 3.6 4.4 ns 6.11.5.1.2.3 CPSW RGMII[x]_RD[3:0], and RGMII[x]_RCTL Timing Requirements NO. PARAMETER DESCRIPTION MODE MIN MAX UNIT RGMII4 tsu(RD-RXC) Setup time, RD[3:0] valid before RXC high/low 10Mbps 1 ns 100Mbps 1 ns 1000Mbps 1 ns tsu(RX_CTL-RXC) Setup time, RX_CTL valid before RXC high/low 10Mbps 1 ns 100Mbps 1 ns 1000Mbps 1 ns RGMII5 th(RXC-RD) Hold time, RD[3:0] valid after RXC high/low 10Mbps 1 ns 100Mbps 1 ns 1000Mbps 1 ns th(RXC-RX_CTL) Hold time, RX_CTL valid after RXC high/low 10Mbps 1 ns 100Mbps 1 ns 1000Mbps 1 ns www.ti.com AM2612, AM2611, AM2611-Q1, AM2612-Q1 SPRSPA7C – SEPTEMBER 2024 – REVISED JULY 2025 Copyright © 2025 Texas Instruments Incorporated Submit Document Feedback 111 Product Folder Links: AM2612 AM2611 AM2611-Q1 AM2612-Q1 |
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