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RTL8201CL-VD Datasheet(PDF) 4 Page - Realtek Semiconductor Corp. |
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RTL8201CL-VD Datasheet(HTML) 4 Page - Realtek Semiconductor Corp. |
4 / 39 page ![]() RTL8201CL Datasheet Single-Chip/Port 10/100 Fast Ethernet PHYceiver iv Track ID: JATR-1076-21 Rev. 1.24 Table of Contents 1. GENERAL DESCRIPTION................................................................................................................................................1 2. FEATURES...........................................................................................................................................................................1 3. BLOCK DIAGRAM.............................................................................................................................................................2 4. PIN ASSIGNMENTS ...........................................................................................................................................................3 4.1. LEAD (PB)-FREE PACKAGE IDENTIFICATION ................................................................................................................3 5. PIN DESCRIPTIONS ..........................................................................................................................................................4 5.1. MII INTERFACE ............................................................................................................................................................4 5.2. SNI (SERIAL NETWORK INTERFACE) 10MBPS ONLY ....................................................................................................5 5.3. CLOCK INTERFACE .......................................................................................................................................................5 5.4. 10MBPS/100MBPS NETWORK INTERFACE....................................................................................................................6 5.5. DEVICE CONFIGURATION INTERFACE ...........................................................................................................................6 5.6. LED INTERFACE/PHY ADDRESS CONFIGURATION .......................................................................................................6 5.7. POWER AND GROUND PINS ..........................................................................................................................................7 5.8. RESET AND OTHER 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).............................................................................................................12 6.9. REGISTER 17 LOOPBACK, BYPASS, RECEIVER ERROR MASK REGISTER (LBREMR) .................................................12 6.10. REGISTER 18 RX_ER COUNTER (REC) .....................................................................................................................13 6.11. REGISTER 19 SNR DISPLAY REGISTER.......................................................................................................................13 6.12. 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...............................................................................................................................................15 7.2. AUTO-NEGOTIATION AND PARALLEL DETECTION ......................................................................................................16 7.2.1. Setting the Medium Type and Interface Mode to MAC.........................................................................................16 7.2.2. UTP Mode and MII Interface ...............................................................................................................................16 7.2.3. UTP Mode and SNI Interface ...............................................................................................................................17 7.2.4. Fiber Mode and MII Interface..............................................................................................................................17 7.3. FLOW CONTROL SUPPORT ..........................................................................................................................................17 7.4. HARDWARE CONFIGURATION AND AUTO-NEGOTIATION ............................................................................................18 7.5. LED AND PHY ADDRESS CONFIGURATION ................................................................................................................19 7.6. SERIAL NETWORK INTERFACE....................................................................................................................................20 7.7. POWER DOWN, LINK DOWN, POWER SAVING, AND ISOLATION MODES ......................................................................20 7.8. MEDIA INTERFACE .....................................................................................................................................................20 7.8.1. 100Base-TX ..........................................................................................................................................................20 7.8.2. 100Base-FX Fiber Mode Operation.....................................................................................................................21 7.8.3. 10Base-T TX/RX ...................................................................................................................................................21 7.9. REPEATER MODE OPERATION.....................................................................................................................................22 7.10. RESET, AND TRANSMIT BIAS ......................................................................................................................................22 www.DataSheet4U.net |
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