Advance Data Sheet
March 2000
DNC3X3825
Octal 10/100 Mbits/s Ethernet Transceiver Macrocell
Table of Contents (continued)
Tables (continued)
Page
Table 26. MR28—Device-Specific Register 1 (Status Register) Bit Descriptions ...................................................27
Table 27. MR29—Device-Specific Register 2 (100 Mbits/s Control) Bit Descriptions.............................................28
Table 28. MR30—Device-Specific Register 3 (10 Mbits/s Control) Bit Descriptions...............................................29
Table 29. MR31—Device-Specific Register 4 (Quick Status) Bit Descriptions .......................................................30
Figures
Page
Figure 1. DNC3X3825 Functional Block Diagram ....................................................................................................4
Figure 2. I/Os of the DNC3X3825 Macrocell ............................................................................................................5
Figure 3. DNC MII TX Logic ...................................................................................................................................15
Figure 4. DNC MII RX Logic ...................................................................................................................................15
Figure 5. DNC Maintenance Logic .........................................................................................................................15
Figure 6. Typical Application (One Channel Shown) ..............................................................................................16
Figure 7. Pinout Assignment ..................................................................................................................................17
Figure 8. Typical Single-Channel Twisted-Pair (TP) Interface.................................................................................18
3