User ManualTable of Contents82540EP Gigabit Ethernet Controller1Revision History3Contents51.0 Introduction71.1 Document Scope91.2 Reference Documents91.3 Product Code92.0 Features of the 82540EP Gigabit Ethernet Controller112.1 PCI Features112.2 MAC Specific Features112.3 PHY Specific Features122.4 Host Offloading Features122.5 Manageability Features132.6 Additional Device Features142.7 Technology Features143.0 Signal Descriptions153.1 Signal Type Definitions153.2 PCI Bus Interface153.2.1 PCI Address, Data and Control Signals153.2.2 Arbitration Signals173.2.3 Interrupt Signal173.2.4 System Signals173.2.5 Error Reporting Signals173.2.6 Power Management Signals183.2.7 Impedance Compensation Signals183.2.8 SMB Signals183.3 EEPROM and Serial FLASH Interface Signals183.4 Miscellaneous Signals193.4.1 LED Signals193.4.2 Other Signals193.5 PHY Signals203.5.1 Crystal Signals203.5.2 Analog Signals203.6 Test Interface Signals213.7 Power Supply Connections213.7.1 Digital Supplies213.7.2 Analog Supplies213.7.3 Ground and No Connects223.7.4 Control Signals224.0 Voltage, Temperature, and Timing Specifications234.1 Absolute Maximum Ratings234.2 Recommended Operating Conditions234.3 DC Specifications244.4 AC Characteristics274.5 Timing Specifications284.5.1 PCI Bus Interface284.5.1.1 PCI Bus Interface Clock284.5.1.2 PCI Bus Interface Timing294.5.2 Link Interface Timing324.5.3 EEPROM Interface325.0 Package and Pinout Information335.1 Device Identification335.2 Package Information345.3 Thermal Specifications355.4 Pinout Information365.5 Visual Pin Reference45Size: 341 KBPages: 45Language: EnglishOpen manual