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TMS320C6472ECTZ Datasheet(PDF) 227 Page - Texas Instruments |
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TMS320C6472ECTZ Datasheet(HTML) 227 Page - Texas Instruments |
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227 / 269 page ![]() MRCLK 2 3 1 4 4 TMS320C6472 www.ti.com SPRS612G – JUNE 2009 – REVISED JULY 2011 7.15.4 EMAC Electrical Data/Timing (MII, GMII, RMII, RGMII, and SSMII) 7.15.4.1 EMAC MII and GMII Electrical Data/Timing Table 7-109. Timing Requirements for MRCLK - MII and GMII Operation (see Figure 7-48) 500/625/700 NO. 1000 Mbps 100 Mbps 10 Mbps UNIT MIN MAX MIN MAX MIN MAX 1 tc(MRCLK) Cycle time, MRCLK 8 40 400 ns 2 tw(MRCLKH) Pulse duration, MRCLK high 2.8 14 140 ns 3 tw(MRCLKL) Pulse duration, MRCLK low 2.8 14 140 ns 4 tt(MRCLK) Transition time, MRCLK 1 3 3 ns Figure 7-48. MRCLK Timing Table 7-110. Switching Characteristics Over Recommended Operating Conditions for MTCLK - MII Operation (see Figure 7-49) 500/625/700 NO. 100 Mbps 10 Mbps UNIT MIN MAX MIN MAX 1 tc(MTCLK) Cycle time, MTCLK 40 400 ns 2 tw(MTCLKH) Pulse duration, MTCLK high 14 140 ns 3 tw(MTCLKL) Pulse duration, MTCLK low 14 140 ns 4 tt(MTCLK) Transition time, MTCLK 3 3 ns Table 7-111. Switching Characteristics Over Recommended Operating Conditions for GMTCLK - GMII Operation (see Figure 7-49) 500/625/700 NO. 1000 Mbps UNIT MIN MAX 1 tc(GMTCLK) Cycle time, GMTCLK 8 ns 2 tw(GMTCLKH) Pulse duration, GMTCLK high 2.8 ns 3 tw(GMTCLKL) Pulse duration, GMTCLK low 2.8 ns 4 tt(GMTCLK) Transition time, GMTCLK 1 ns Copyright © 2009–2011, Texas Instruments Incorporated C64x+ Peripheral Information and Electrical Specifications 227 Submit Documentation Feedback Product Folder Link(s) :TMS320C6472 |
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