AM79C875KI AMD (ADVANCED MICRO DEVICES), AM79C875KI Datasheet - Page 8

• Manufacturer Part Number: AM79C875KI
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AM79C875KI

• Lead Free Status / RoHS Status: Not Compliant

8
LIST OF FIGURES
LIST OF TABLES
Table 1.
Table 2.
Table 3.
Table 4.
Table 5.
Table 6.
Table 7.
Table 8.
Table 9.
Table 10.
Table 11.
Table 12.
Table 13.
Table 14.
Table 15.
Table 16.
Table 17.
Table 18.
Table 19.
Table 20.
Table 21.
Table 22.
Figure 1.
Figure 2.
Figure 3.
Figure 4.
Figure 5.
Figure 6.
Figure 7.
Figure 8.
Figure 9.
Figure 10. MLT-3 Receive Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36
Figure 11. MLT-3 and 10BASE-T Test Load with 1:1 Transformer Ratio . . . . . . . . . . . . . . . . . .37
Figure 12. MLT-3 and 10BASE-T Test Load with 1.25:1 Transformer Ratio . . . . . . . . . . . . . . .37
Figure 13. Near-End 100BASE-TX Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .37
Figure 14. Near-End 10BASE-T Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Figure 15. Recommended PECL Test Loads . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38
Figure 16. Clock Signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Figure 17. MLT-3 Test Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39
Figure 18. Management Bus Transmit Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Figure 19. Management Bus Receive Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40
Figure 20. RMII 100 Mbps Transmit Start of Packet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Figure 21. RMII 100 Mbps Transmit End of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Figure 22. 100 Mbps RMII Receive Start of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Figure 23. 100 Mbps RMII Receive End of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42
Figure 24. RMII 10 Mbps Transmit Start of Packet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Figure 25. RMII 10 Mbps Transmit End of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Figure 26. 10 Mbps RMII Receive Start of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Figure 27. 10 Mbps RMII Receive End of Packet Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
100 Mbps Reception with No Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
100 Mbps Reception with False Carrier . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
100 Mbps Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Bit Ordering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
10BASE-T Transmit/Receive Data Paths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
MLT-3 Waveform . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
TX± and RX± Termination for 100BASE-TX and 10BASE-T . . . . . . . . . . . . . . . . . .20
LED Port Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
PHY Management Read and Write Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Code-Group Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Clause 22 Management Frame Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
PHY Address Setting Frame Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23
NetPHY™ 4LP MII Management Register Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Legend for Register Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
MII Management Control Register (Register 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
MII Management Status Register (Register 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
PHY Identifier 1 Register (Register 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
PHY Identifier 2 Register (Register 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Auto-Negotiation Advertisement Register (Register 4) . . . . . . . . . . . . . . . . . . . . . . .28
Auto-Negotiation Link Partner Ability Register in Base Page Format (Register 5) . .29
Auto-Negotiation LInk Partner Ability Register in Next Page Format (Register 5) . .29
Auto-Negotiation Expansion Register (Register 6) . . . . . . . . . . . . . . . . . . . . . . . . . .30
Auto-Negotiation Next page Advertisement Register (Register 7) . . . . . . . . . . . . . .30
Miscellaneous Features Register (Register 16) . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Interrupt Control/Status Register (Register 17) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Diagnostic Register (Register 18) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Test Register (Register 19) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Miscellaneous Features 2 Register (Register 20) . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Receive Error Counter (Register 21) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Mode Control Register (Register 24) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
LED Display Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Am79C875