参数资料
型号: E-1110
英文描述: E-1110 10/100/1000 Mbits/s Ethernet MAC preliminary technical manual 4/01
中文描述: 电子1110 10/100/1000 Mbits /秒以太网MAC初步的技术手册4 / 01
文件页数: 76/108页
文件大小: 577K
代理商: E-1110
E-1110 10/100/1000 Mbits/s Ethernet MAC
1-1
Chapter 1
Introduction
This chapter provides an overview of the E-1110 10/100/1000 Mites/s
Ethernet MAC and lists its features. This chapter contains the following
sections:
1.1 General Description
The E-1110 core 10/100/1000BASE-T/TX MAC solution is capable of
operating in Fast Ethernet or Gigabit Ethernet modes. The E-1110 core
provides a single platform to support applications requiring speeds of
10, 100, and 1000 Mbits/s.
The E-1110 core consists of a Gigabit Ethernet MAC, a Flow Control
Module for the E-110 core, a Physical Interface Multiplexer, and a
common Host Interface Module. An interface is provided that allows easy
connection to an external E-110 core. Typically, the E-1110 core supports
only a Media Independent Interface (MII) or a Gigabit Media Independent
Interface (GMII). If a Serial Media Independent Interface (SMII) is
required, the Physical Interface Multiplexer must be bypassed in the core
and an external multiplexer added for SMII.
For Ten-Bit Interface (TBI) support, a Physical Coding Sublayer (PCS)
soft macro must be added outside the E-1110 core. If only Gigabit
operation is desired, all the E-110 related signals can be tied LOW. If
complete 10/100/1000 functionality is desired, the E-1110 core must be
connected to the E-110 core. Figure 1.1 is a block diagram of the core,
showing the connections to the external PCS soft macro and E-110 core.
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