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AM79C874VC 数据表(PDF) 8 Page - Advanced Micro Devices

部件名 AM79C874VC
功能描述  NetPHY-1LP Low Power 10/100-TX/FX Ethernet Transceiver
PDF  60 Pages
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制造商  AMD [Advanced Micro Devices]
网页  http://www.amd.com
标志 AMD - Advanced Micro Devices

AM79C874VC 数据表(HTML) 8 Page - Advanced Micro Devices

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Am79C874
P R E L I M INARY
Figure 13.PECL Test Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45
Figure 14.Clock Signal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 15.MLT-3 Test Waveform. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46
Figure 16.Management Bus Transmit Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 17.Management Bus Receive Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Figure 18.100 Mbps MII Transmit Start of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48
Figure 19.100 Mbps Transmit End of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Figure 20.100 Mbps MII Receive Start of Packet Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Figure 21.100 Mbps MII Receive End of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Figure 22.10 Mbps MII Transmit Start of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Figure 23.10 Mbps MII Transmit End of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Figure 24.10 Mbps MII Receive Start of Packet Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Figure 25.10 Mbps MII Receive End of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Figure 26.GPSI Receive Timing - Start of Reception . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Figure 27.GPSI Receive Timing - End of Reception (Last Bit = 0) . . . . . . . . . . . . . . . . . . . . . . . 56
Figure 28.GPSI Receive Timing - End of Reception (Last Bit = 1) . . . . . . . . . . . . . . . . . . . . . . . 57
Figure 29.GPSI Collision Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Figure 30.GPSI Transmit Timing - Start of Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Figure 31.GPSI Transmit 10TXCLK and 10TXD Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
Figure 32.Test Load for 10RXD, 10CRS, 10RXCLK, 10TXCLK and 10COL . . . . . . . . . . . . . . . . 58
List of Tables
Table 1.MII Pins That Relate to 10 Mbps 7-Wire (GPSI) Mode . . . . . . . . . . . . . . . . . . . . . . . . . .16
Table 2.Code-Group Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Table 3.Speed and Duplex Capabilities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Table 4.Standard LED Selections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Table 5.Advanced LED Selections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Table 6.Clause 22 Management Frame Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Table 7.PHY Address Setting Frame Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Table 8.Register Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Table 9.Legend for Register Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Table 10.MII Management Control Register (Register 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Table 11.MII Management Status Register (Register 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Table 12.PHY Identifier 1 Register (Register 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Table 13.PHY Identifier 2 Register (Register 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Table 14.Auto-Negotiation Advertisement Register (Register 4) . . . . . . . . . . . . . . . . . . . . . . . . .32
Table 15.Auto-Negotiation Link Partner Ability Register in Base Page Format (Register 5) . . . .33
Table 16.Auto-Negotiation LInk Partner Ability Register in Next Page Format (Register 5) . . . . .33
Table 17.Auto-Negotiation Expansion Register (Register 6) . . . . . . . . . . . . . . . . . . . . . . . . . . . .34
Table 18.Auto-Negotiation Next Page Advertisement Register (Register 7) . . . . . . . . . . . . . . . .35
Table 19.Miscellaneous Features Register (Register 16) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Table 20.Interrupt Control/Status Register (Register 17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Table 21.Diagnostic Register (Register 18) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Table 22.Power/Loopback Register (Register 19) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Table 23.Mode Control Register (Register 21) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Table 24.Disconnect Counter (Register 23) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Table 25.Receive Error Counter Register (Register 24) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40



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