User ManualTable of Contents1.0 General Description71.1 Features7Figure 1. LXD9785 PQFP MII Demo Board82.0 Introduction92.1 Overview92.2 Equipment Requirements92.3 Fiber Register Configuration92.4 Typical Setup10Figure 2. Typical Test Setup10Figure 3. LXD9785/9785E SS-SMII Fiber Demo Board113.0 Quick-Start Checklist12Table 1. Quick-Start Jumper Settings12Table 2. Quick-Start Switch Settings134.0 Optional Configurations144.1 Global Operating Configurations14Table 3. Global Configuration Settings (Switch S5)14Table 4. Global Configuration Settings (Switch S8)144.2 MII Address Configurations14Table 5. PHY Address Configuration Settings (Switch S1)154.3 Alternate MDIO Routing Configuration15Table 6. MDIO Routing (Port 0)154.4 JTAG Test Signals16Table 7. JTAG Test Signal Descriptions164.5 Extended Temperature Operation with the LXT9785HE165.0 LEDs175.1 Direct Drive LEDs17Table 8. Direct Drive LED Configuration Settings (Register 20)17Table 9. LED Pulse Stretch Settings (Register 20)185.2 Inter Frame Status LEDs186.0 Board Schematics19Figure 4. LXD9785 PQFP MII Demo Board Power (Fiber Board Revision A2)19Figure 5. Control20Figure 6. MII Ports 0 and 121Figure 7. MII Ports 2 and 322Figure 8. MII Ports 4 and 523Figure 9. MII Ports 6 and 724Figure 10. Fiber Ports 0 and 125Figure 11. Fiber Ports 2 and 326Figure 12. Fiber Ports 4 and 527Figure 13. Fiber Ports 6 and 728Figure 14. Caps29Figure 15. SS-SMII to MII ALTERA30Figure 16. Clock Distribution31Figure 17. Inter-Frame Status LEDs32Figure 18. Logic Analyzer33Figure 19. MDIO0 and MDC0 Fix34Figure 20. MDIO1 and MDC1 Fix357.0 Bill of Materials36Table 10. LXD9785 Bill of Materials (Fiber - SS-SMII)36Size: 735 KBPages: 40Language: EnglishOpen manual