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RTL8201BL

REALTEK SINGLE CHIP SINGLE PORT 10/100M FAST ETHERNET PHYCEIVER

Realtek Semiconductor 

RTL8201BL

REALTEK SINGLE CHIP

SINGLE PORT 10/100M

FAST ETHERNET PHYCEIVER

RTL8201BL

1. Features........................................................................... 2

2. General Description ....................................................... 2

3. Block Diagram................................................................ 3

4. Pin Assignments ............................................................. 4

5. Pin Description ............................................................... 5

5.1 100 Mbps MII & PCS Interface ................................ 5

5.2 SNI (Serial Network Interface): 10Mbps only .......... 5

5.3 Clock Interface .......................................................... 6

5.4 100Mbps Network Interface...................................... 6

5.5 Device Configuration Interface ................................. 6

5.6 LED Interface/PHY Address Config......................... 7

5.7 Reset and other pins .................................................. 7

5.8 Power and Ground pins ............................................. 7

6. Register Descriptions ..................................................... 8

6.1 Register 0 Basic Mode Control Register ................... 8

6.2 Register 1 Basic Mode Status Register ..................... 9

6.3. Register 2 PHY Identifier Register 1 ....................... 9

6.4. Register 3 PHY Identifier Register 2 ....................... 9

6.5. Register 4 Auto-negotiation Advertisement

Register(ANAR) ........................................................... 10

6.6 Register 5 Auto-Negotiation Link Partner Ability

Register(ANLPAR) ....................................................... 10

6.7 Register 6 Auto-negotiation Expansion

Register(ANER)............................................................ 11

6.8 Register 16 Nway Setup Register(NSR) ................. 11

6.9 Register 17 Loopback, Bypass, Receiver Error Mask

Register(LBREMR) ...................................................... 12

6.10 Register 18 RX_ER Counter(REC)....................... 12

6.11 Register1910MbpsNetworkInterfaceConfigurationRegister... 12

6.12 Register 20 PHY 1_1 Register .............................. 13

6.13 Register 21 PHY 1_2 Register .............................. 13

6.14 Register 22 PHY 2 Register .................................. 13

6.15 Register 23 Twister_1 Register ............................. 13

6.16 Register 24 Twister_2 Register ............................. 13

6.17 Register 25 Test Register....................................... 13

7. Functional Description ................................................ 14

7.1 MII and Management Interface............................... 14

7.1.1 Data Transition ................................................ 14

7.1.2 Serial Management.......................................... 14

7.2 Auto-negotiation and Parallel Detection ................. 15

7.3 Flow control support ............................................... 16

7.4 Hardware Configuration and Auto-negotiation................. 16

7.5 LED and PHY Address Configuration.................... 17

7.6 Serial Network Interface ......................................... 17

7.7 PowerDown,LinkDown,PowerSaving,andIsolationModes... 18

7.8 Media Interface ....................................................... 18

7.8.1 100Base TX..................................................... 18

7.8.2 100Base-FX Fiber Mode Operation ................ 18

7.8.3 10Base Tx/Rx .................................................. 19

7.9 Repeater Mode Operation ....................................... 19

7.10 Reset, and Transmit Bias(RTSET) ........................ 19

7.11 3.3V power supply and voltage conversion circuit 19

7.12 Far End Fault Indication (FEFI)............................ 20

8. Electrical Characteristics ............................................ 21

8.1 D.C. Characteristics ................................................ 21

8.1.1. Absolute Maximum Ratings........................... 21

8.1.2. Operating Conditions ..................................... 21

8.1.3. Power Dissipation........................................... 21

8.1.4 Supply Voltage: Vcc ........................................ 21

8.2 A.C. Characteristics ................................................ 22

8.2.1 MII Timing of Transmission Cycle ................. 22

8.2.2 MII Timing of Reception Cycle ...................... 23

8.2.3 SNI Timing of Transmission Cycle ................. 24

8.2.4 SNI Timing of Reception Cycle ...................... 25

8.2.5 MDC/MDIO timing......................................... 26

8.2.6 Transmission Without Collision ...................... 26

8.2.7 Reception Without Error ................................. 26

8.3 Crystal and Transformer Specifications .................. 27

8.3.1 Crystal Specifications...................................... 27

8.3.2 Transformer Specifications.............................. 27

9. Mechanical Dimensions............................................... 28

10. Revision History......................................................... 29

2002-03-29

1

Rev.1.2

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