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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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MPC8313E датащи(PDF) 32 Page - Freescale Semiconductor, Inc |
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MPC8313E датащи(HTML) 32 Page - Freescale Semiconductor, Inc |
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32 / 92 page  MPC8313E PowerQUICC™ II Pro Processor Hardware Specifications, Rev. 1 32 Freescale Semiconductor Ethernet: Three-Speed Ethernet, MII Management Figure 16 shows the MII management AC timing diagram. Figure 16. MII Management Interface Timing Diagram 8.4.3 SGMII DC Electrical Characteristics The SGMII Solution in the MPC8313 is designed for use in a 4-wire, AC-Coupled SGMII link. Table 34 andTable 35describe the SGMII AC-Coupled DC electrical characteristics. Transmitter characteristics are measured at the transmitter outputs, SD_TX and SD_TX_B, as depicted in Figure 17. Table 34. DC Transmitter Electrical Characteristics Parameter Symbol Min Max Unit Notes Output high voltage VOH —0.7*XPADVDD1 mV Does not align to DC-coupled SGMII Output low voltage VOL 0.3*XPADVDD — mV Output ringing VRING —10 % — Output differential voltage |VOD| (XPADVDD/2)/1.7 (XPADVDD/2)/1.3 mV — Output offset voltage VOS (XPADVDD/2) – 50 mV (XPADVDD/2) + 50 mV mV Does not align to DC-coupled SGMII Output impedance (single ended) RO 40 60 Ω — Mismatch in a pair ΔRO —10 % — Change in VOD between “0” and “1” Δ|VOD|— 25 mV — Change in VOS between “0” and “1” Δ VOS —25 mV — Output current on short to GND ISA, ISB —40 mA — 1 XPADVDDrefers to the SGMII transmitter output supply voltage. MDC tMDDXKH tMDC tMDCH tMDCR tMDCF tMDDVKH tMDKHDX MDIO MDIO (Input) (Output) |
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