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MPC8569E датащи(PDF) 58 Page - Freescale Semiconductor, Inc |
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MPC8569E датащи(HTML) 58 Page - Freescale Semiconductor, Inc |
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58 / 127 page ![]() MPC8569E PowerQUICC III Integrated Processor Hardware Specifications, Rev. 1 Ethernet Interface Freescale Semiconductor 58 The following figure provides the MII AC test load. Figure 16. MII AC Test Load The following figure shows the MII receive AC timing diagram. Figure 17. MII Receive AC Timing Diagram 2.6.3.3 SMII AC Timing Specification The following table shows the SMII timing specifications. The following figure shows the SMII mode signal timing. Figure 18. SMII Mode Signal Timing Table 29. SMII Mode Signal Timing For recommended operating conditions, see Table 3 Parameter Symbol Min Max Unit Note ETHSYNC_IN, ETHRXD to ETHCLOCK rising edge setup time tSMDVKH 1.5 — ns — ETHCLOCK rising edge to ETHSYNC_IN, ETHRXD hold time tSMDXKH 1.0 — ns — ETHCLOCK rising edge to ETHSYNC, ETHTXD output delay tSMXR 1.5 5.5 ns — Output Z0 = 50 Ω LVDD/2 RL = 50 Ω RX_CLK RXD[3:0] tMRDXKL tMRX tMRXH tMRXR tMRXF RX_DV RX_ER tMRDVKH Valid Data Valid ETHCLOCK ETHSYNC_IN ETHRXD ETHSYNC ETHTXD Valid Valid tSMXR tSMDXKH tSMDVKH |
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