Networking Silicon — GD82559ER

 

 

 

 

 

Contents

 

 

 

 

1.

INTRODUCTION

.............................................................................................................................

1

 

1.1

GD82559ER Overview

1

 

1.2

Suggested Reading

1

2.

GD82559ER ARCHITECTURAL OVERVIEW

3

 

2.1

Parallel Subsystem Overview

3

 

2.2

FIFO Subsystem Overview

4

 

2.3

10/100 Mbps Serial CSMA/CD Unit Overview

5

 

2.4

10/100 Mbps Physical Layer Unit

5

3.

SIGNAL DESCRIPTIONS

7

 

3.1

Signal Type Definitions

7

 

3.2

PCI Bus Interface Signals

7

 

 

3.2.1 Address and Data Signals

7

 

 

3.2.2

Interface Control Signals

8

 

 

3.2.3 System and Power Management Signals

9

 

3.3

Local Memory Interface Signals

9

 

3.4

Testability Port Signals

10

 

3.5

PHY Signals

11

4.

GD82559ER MEDIA ACCESS CONTROL FUNCTIONAL DESCRIPTION

13

 

4.1

82559ER Initialization

13

 

 

4.1.1 Initialization Effects on 82559ER Units

13

 

4.2

PCI Interface

14

 

 

4.2.1

82559ER Bus Operations

14

 

 

4.2.2

Clockrun Signal

22

 

 

4.2.3 Power Management Event Signal

22

 

 

4.2.4

Power States

23

 

 

4.2.5

Wake-up Events

27

 

4.3

Parallel Flash Interface

28

 

4.4

Serial EEPROM Interface

28

 

4.5

10/100 Mbps CSMA/CD Unit

30

 

 

4.5.1

Full Duplex

31

 

 

4.5.2

Flow Control

31

 

 

4.5.3

Address Filtering Modifications

31

 

 

4.5.4

Long Frame Reception

31

 

4.6

Media Independent Interface (MII) Management Interface

32

5.

GD82559ER TEST PORT FUNCTIONALITY

33

 

5.1

Introduction

33

 

5.2

Asynchronous Test Mode

33

 

5.3

Test Function Description

33

 

5.4

85/85

33

 

5.5

TriState

34

 

5.6

Nand - Tree

34

6.

GD82559ER PHYSICAL LAYER FUNCTIONAL DESCRIPTION

37

 

6.1

100BASE-TX PHY Unit

37

 

 

6.1.1 100BASE-TX Transmit Clock Generation

37

Datasheet

iii

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Intel GD82559ER manual Contents

GD82559ER specifications

The Intel GD82559ER is a highly regarded network interface controller (NIC) designed for use in various computing environments, primarily for stable connectivity in both desktop and server applications. Released as part of the 82559 family of Ethernet controllers, the GD82559ER features advanced technologies that enhance performance, reliability, and manageability.

One of the standout features of the 82559ER is its ability to support both 10/100 Mbps Ethernet. This dual capability allows the controller to operate in a wide range of network settings, making it adaptable to legacy systems while also providing support for modern Ethernet standards. This versatility is crucial for organizations looking to maintain operational effectiveness without the need for immediate upgrades to their existing infrastructure.

The GD82559ER employs a PCI interface, which allows it to connect with various devices and motherboards easily, making it a go-to choice for manufacturers aiming for integration in their systems. It also includes features like Auto-Negotiation, enabling the NIC to automatically detect and select the appropriate speed and duplex mode for optimal performance. This capability is essential in dynamic networking environments, where devices from various generations coexist.

Power management is another critical aspect of the GD82559ER. The controller supports advanced power-saving features like PCI Power Management, reducing energy consumption during low-usage periods. This not only contributes to lower operational costs but also aligns with modern eco-friendly initiatives in technology.

Additionally, the GD82559ER comes equipped with advanced diagnostics and monitoring capabilities. This enhances the network's manageability by allowing administrators to track performance metrics and diagnose issues effectively. Through its onboard diagnostics, the controller aids in ensuring a stable network connection, allowing for timely interventions when issues arise.

The controller is also designed with a robust architecture that supports various operating systems, facilitating a broad implementation across different platforms. As a result, the GD82559ER has become a reliable option for system builders and enterprises focused on building dependable networking solutions.

Overall, the Intel GD82559ER is a versatile, high-performance network interface controller that continues to serve as a foundational component for computer systems that require efficient, reliable networking capabilities. Its combination of technologies and features makes it a popular choice in diverse computing environments.