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AM3892 Datasheet(PDF) 199 Page - Texas Instruments |
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AM3892 Datasheet(HTML) 199 Page - Texas Instruments |
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199 / 299 page ![]() EMAC[1:0]_RXCLK 2 3 1 4 4 EMAC[1:0]_TXCLK 2 3 1 4 4 AM3894 AM3892 www.ti.com SPRS681A – OCTOBER 2010 – REVISED MARCH 2011 8.6.2 EMAC Electrical Data/Timing Table 8-41. Timing Requirements for EMAC[1:0]_RXCLK - [G]MII Operation (see Figure 8-44) 1000 Mbps (1 Gbps) 100 Mbps 10 Mbps (GMII Only) NO. UNIT MIN MAX MIN MAX MIN MAX Cycle time, 1 tc(RXCLK) 8 40 400 ns EMAC[1:0]_RXCLK Pulse duration, 2 tw(RXCLKH) 2.8 14 140 ns EMAC1:0]_RXCLK high Pulse duration, 3 tw(RXCLKL) 2.8 14 140 ns EMAC[1:0]_RXCLK low Transition time, 4 tt(RXCLK) 1 3 3 ns EMAC[1:0]_RXCLK Figure 8-44. EMAC[1:0]_RXCLK Timing Table 8-42. Timing Requirements for EMAC[1:0]_TXCLK - [G]MII Operation (see Figure 8-45) 1000 Mbps (1 Gbps) 100 Mbps 10 Mbps (GMII Only) NO. UNIT MIN MAX MIN MAX MIN MAX Cycle time, 1 tc(TXCLK) 8 40 400 ns EMAC[1:0]_TXCLK Pulse duration, 2 tw(TXCLKH) 2.8 14 140 ns EMAC[1:0]_TXCLK high Pulse duration, 3 tw(TXCLKL) 2.8 14 140 ns EMAC[1:0]_TXCLK low Transition time, 4 tt(TXCLK) 1 3 3 ns EMAC[1:0]_TXCLK Figure 8-45. EMAC[1:0]_TXCLK Timing Copyright © 2010–2011, Texas Instruments Incorporated Peripheral Information and Timings 199 Submit Documentation Feedback Product Folder Link(s): AM3894 AM3892 |
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