This document describes the features and characteristics of the 82551ER Fast Ethernet PCI Controller Networking Silicon, including enhanced IP protocol support, quality of service, optimum integration for lowest cost solution, integrated power management functions, and high performance networking functions.
This datasheet details the 82551ER Fast Ethernet PCI Controller, an integrated networking silicon device supporting 10/100 Mbps Ethernet. It includes features like TCP/UDP checksum offload, Quality of Service with multiple transmit queues, and power management compliance with ACPI and PCI standards. The controller is packaged in a 196-pin BGA and is lead-free, marked with a circled 'e1'.
The document covers architectural overview, signal descriptions, configuration and control registers, PHY unit registers, and electrical specifications. It also includes revision history and references to related controllers and documentation.
| Package Type | 196-pin Ball Grid Array (BGA) |
|---|---|
| Power Management | ACPI and PCI power management standards compliance |
| Ethernet Speed | 10/100 Mbps |
| Interface | 32-bit PCI master interface |
| Lead-Free | Yes, lead impurity <1000 ppm |
It is a 196-pin Ball Grid Array (BGA).
Yes, it complies with ACPI and PCI power management standards.
It supports 10/100 Mbps Ethernet.
Yes, it is lead-free with lead impurity levels under 1000 ppm.