文件名称：RTL8139C Datasheet
文件大小：645KB
文件格式：PDF
更新时间：2023-08-04 03:20:38
RTL8139C
REALTEK 3.3V SINGLE CHIP FAST ETHERNET CONTROLLER WITH POWER MANAGEMENT RTL8139C(L) 1. Features:.................................................................. 2 2. General Description................................................ 3 3. Block Diagram ........................................................ 4 4. Pin Assignments...................................................... 5 5. Pin Descriptions ...................................................... 6 5.1 Power Management/Isolation Interface .............. 6 5.2 PCI Interface....................................................... 6 5.3 FLASH/EEPROM Interface ............................... 8 5.4 Power Pins .......................................................... 9 5.5 LED Interface ..................................................... 9 5.6 Attachment Unit Interface .................................. 9 5.7 Test and Other Pins............................................. 9 6. Register Descriptions............................................ 10 6.1 Receive Status Register in Rx packet header.... 12 6.2 Transmit Status Register................................... 13 6.3 ERSR: Early Rx Status Register....................... 14 6.4 Command Register ........................................... 14 6.5 Interrupt Mask Register .................................... 15 6.6 Interrupt Status Register ................................... 15 6.7 Transmit Configuration Register ...................... 16 6.8 Receive Configuration Register........................ 17 6.9 9346CR: 93C46 (93C56) Command Register ......... 19 6.10 CONFIG 0: Configuration Register 0............. 20 6.11 CONFIG 1: Configuration Register 1............. 21 6.12 Media Status Register ..................................... 22 6.13 CONFIG 3: Configuration Register3.............. 22 5.14 CONFIG 4: Configuration Register4.............. 24 6.15 Multiple Interrupt Select Register..................... 25 6.16 PCI Revision ID.............................................. 25 6.17 Transmit Status of All Descriptors (TSAD) Register......... 25 6.18 Basic Mode Control Register.......................... 26 6.19 Basic Mode Status Register ............................ 26 6.20 Auto-negotiation Advertisement Register.............. 27 6.21 Auto-Negotiation Link Partner Ability Register............... 27 6.22 Auto-negotiation Expansion Register .............. 28 6.23 Disconnect Counter ........................................ 28 6.24 False Carrier Sense Counter ........................... 28 6.25 NWay Test Register........................................ 28 6.26 RX_ER Counter.............................................. 29 6.27 CS Configuration Register.............................. 29 6.28 Flash Memory Read/Write Register ........................ 29 6.29 Config5: Configuration Register 5 ................. 30 6.30 Function Event Register ................................. 31 6.31 Function Event Mask Register........................ 31 6.32 Function Present State Register ...................... 32 6.33 Function Force Event Register ....................... 32 7. EEPROM Contents .............................................. 33 7.1 Summary of EEPROM Registers ............................. 35 7.2 Summary of EEPROM Power Management Registers....... 35 8. PCI Configuration Space Registers..................... 36 8.1 PCI Configuration Space Table ........................ 36 8.2 PCI Configuration Space Functions.................. 37 8.3 Default Values After Power-on (RSTB asserted)...... 42 8.4 PCI Power Management Functions .................. 43 8.5 Vital Product Data (VPD)................................. 45 9. Functional Description ......................................... 46 9.1 Transmit Operation ........................................... 46 9.2 Receive Operation............................................. 46 9.3 Line Quality Monitor ........................................ 46 9.4 Clock Recovery Module ................................... 46 9.5 Loopback Operation ......................................... 46 9.6 Tx Encapsulation .............................................. 46 9.7 Collision............................................................ 46 9.8 Rx Decapsulation.............................................. 47 9.9 Flow Control..................................................... 47 9.9.1. Control Frame Transmission..................... 47 9.9.2. Control Frame Reception.......................... 47 9.10 LED Functions................................................ 47 9.10.1 10/100 Mbps Link Monitor...................... 47 9.10.2 LED_RX .................................................. 48 9.10.3 LED_TX .................................................. 48 9.10.4 LED_TX+LED_RX................................. 49 10. Application Diagram .......................................... 50 11. Electrical Characteristics ................................... 51 11.1 Temperature Limit Ratings .......................