參數資料
型號: 21440
廠商: Intel Corp.
英文描述: Multiport 10/100Mb/s Ethernet Controller(多端口10/100Mb/s 以太網控制器)
中文描述: 多端口10/100Mb/s以太網控制器(多端口支持10/100Mbps以太網控制器)
文件頁數: 10/92頁
文件大?。?/td> 1352K
代理商: 21440
Introduction
1-2
21440 Multiport 10/100Mb/s Ethernet Controller
1.4
Performance Features
The 21440:
Allows status register access without interrupting packet transfer
Enables early address filtering ability, with packet header preprocessing and VLAN detection
ability
Offers retry or ignore options following packet transmission errors
Supports automatic retransmission following excessive collisions
Provides programmable automatic discard of badly received packets such as runts, CRC
errors, and too long packets
1.5
Serial Features
The 21440:
Enables independent 10 or 100 Mb/s port operation
Provides full-duplex support
Enables standard flow-control functionality in full-duplex mode
Offers backpressure logic capability in half-duplex mode
Interfaces to standard MII connections
Supports 10BASE-T, 100BASE-TX, 100BASE-T4, and 100BASE-FX connections
Provides programmable CRC generation and removal
Allows backoff limit programming
Provides full collision support, including jamming, backoff, and automatic retransmission
Complies with IEEE 802.3 Standard
1.6
CPU Interface Features
The 21440:
Supports fully programmable independent ports through a dedicated generic CPU port
Enables interrupt programming
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