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RTL8208B-LF

SINGLE-CHIP OCTAL 10/100BASE-TX/FX PHY TRANSCEIVER

Realtek Semiconductor 

RTL8208B-LF/RTL8208BF-LF

Datasheet

List of Tables

TABLE 1. PIN ASSIGNMENTS..........................................................................................................................................................5

TABLE 2. MEDIA CONNECTION PINS..............................................................................................................................................6

TABLE 3. POWER AND GROUND PINS ............................................................................................................................................6

TABLE 4. MISCELLANEOUS PINS ...................................................................................................................................................7

TABLE 5. RMII/SMII/SS-SMII PINS .............................................................................................................................................7

TABLE 6. SMI (SERIAL MANAGEMENT INTERFACE)......................................................................................................................9

TABLE 7. LED PINS .......................................................................................................................................................................9

TABLE 8. MODE CONTROL PINS ..................................................................................................................................................10

TABLE 9. TEST PINS.....................................................................................................................................................................12

TABLE 10. REGISTER DESCRIPTIONS .............................................................................................................................................13

TABLE 11. REGISTER0: CONTROL .................................................................................................................................................14

TABLE 12. REGISTER1: STATUS ....................................................................................................................................................16

TABLE 13. REGISTER2: PHY IDENTIFIER 1 REGISTER ...................................................................................................................18

TABLE 14. REGISTER3: PHY IDENTIFIER 2 REGISTER ...................................................................................................................18

TABLE 15. REGISTER4: AUTO-NEGOTIATION ADVERTISEMENT....................................................................................................19

TABLE 16. REGISTER5: AUTO-NEGOTIATION LINK PARTNER ABILITY .........................................................................................21

TABLE 17. REGISTER6: AUTO-NEGOTIATION EXPANSION.............................................................................................................23

TABLE 18. PORT 1 REGISTER24: CABLE TESTER CONTROL REGISTER0 ........................................................................................24

TABLE 19. PORT1 REGISTER29: CABLE TESTER CONTROL REGISTER1.........................................................................................24

TABLE 20. PORT1 REGISTER30: CABLE STATUS REGISTER...........................................................................................................25

TABLE 21. SMI READ/WRITE CYCLES ..........................................................................................................................................26

TABLE 22. PORT PAIR-LOOP BACK MODE (PP-LPBK) .................................................................................................................26

TABLE 23. 4B/5B CODING ............................................................................................................................................................30

TABLE 24. 100BASE-FX ...............................................................................................................................................................31

TABLE 25. PECL DC CHARACTERISTICS ......................................................................................................................................32

TABLE 26. RMII/SMII/SS-SMII MODES ......................................................................................................................................33

TABLE 27. RMII/SMII/SS-SMII SIGNALS ....................................................................................................................................33

TABLE 28. SMII RECEPTION ENCODING .......................................................................................................................................35

TABLE 29. SMII TRANSMISSION ENCODING .................................................................................................................................36

TABLE 30. SERIAL LED MODE .....................................................................................................................................................38

TABLE 31. SERIAL LED STATUS ...................................................................................................................................................39

TABLE 32. BI-COLOR LED............................................................................................................................................................41

TABLE 33. SCAN LED ...................................................................................................................................................................41

TABLE 34. SCAN LED STATUS......................................................................................................................................................41

TABLE 35. AN EXAMPLE USING POWER TRANSISTOR 2SB1182 ...................................................................................................47

TABLE 36. ABSOLUTE MAXIMUM RATINGS ..................................................................................................................................50

TABLE 37. OPERATING RANGE......................................................................................................................................................50

TABLE 38. DC CHARACTERISTICS.................................................................................................................................................50

TABLE 39. AC CHARACTERISTICS.................................................................................................................................................52

TABLE 40. DIGITAL TIMING CHARACTERISTICS ............................................................................................................................52

TABLE 41. RMII RECEIVE TIMING ................................................................................................................................................53

TABLE 42. RMII TRANSMIT TIMING .............................................................................................................................................54

TABLE 43. SMII RECEIVE TIMING.................................................................................................................................................54

TABLE 44. SMII TRANSMIT TIMING..............................................................................................................................................55

TABLE 45. SS-SMII RECEIVE TIMING...........................................................................................................................................55

TABLE 46. SS-SMII TRANSMIT TIMING ........................................................................................................................................56

TABLE 47. THERMAL OPERATING RANGE .....................................................................................................................................57

TABLE 48. THERMAL RESISTANCES ..............................................................................................................................................57

TABLE 49. ORDERING INFORMATION ............................................................................................................................................59

Single-Chip Octal 10/100-TX/FX PHY Transceiver

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Track ID: JATR-1076-21 Rev. 1.3

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