參數(shù)資料
型號: 82559
廠商: INTEL CORP
元件分類: 微控制器/微處理器
英文描述: Fast Ethernet Multifunction PCI/CARD bus controller(快速以太網(wǎng)多功能PCI/CARD 總線控制器)
中文描述: 1 CHANNEL(S), 100M bps, LOCAL AREA NETWORK CONTROLLER, PBGA196
封裝: 15 X 15 MM, BGA-196
文件頁數(shù): 11/124頁
文件大?。?/td> 1332K
代理商: 82559
Networking Silicon — 82559
Datasheet
1
1.0
Introduction
1.1
82559 Overview
The 82559 is Intel's second generation fully integrated 10BASE-T/100BASE-TX LAN solution.
The 82559 consists of both the Media Access Controller (MAC) and the physical layer (PHY)
interface combined into a single component solution. The 82559 builds on the basic functionality
of the 82558. In addition to the 82558, the 82559 has added new features and enhancements:
Host-side CardBus interface
Enhanced power management implementation
Enhanced Total Cost of Ownership (TCO) support
Optimized Flash or modem interface support
The 32-bit PCI/CardBus controller provides enhanced scatter-gather bus mastering capabilities and
enables the 82559 to perform high speed data transfers over the PCI bus and CardBus. Its bus
master capabilities enable the component to process high level commands and perform multiple
operations, which lowers CPU utilization by off-loading communication tasks from the CPU. Two
large transmit and receive FIFOs of 3 Kbyte each help prevent data underruns and overruns while
waiting for bus accesses. This enables the 82559 to transmit data with minimum interframe spacing
(IFS).
The 82559 can operate in either full duplex or half duplex mode. In full duplex mode the 82559
adheres with the IEEE 802.3x Flow Control specification. Half duplex performance is enhanced by
a proprietary collision reduction mechanism.
The 82559 includes a simple PHY interface to the wire transformer at rates of 10BASE-T and
100BASE-TX enables reduction in cost, real estate and design complexity. Its Auto-Negotiation
capability for speed, duplex, and flow control mode reduces cost, real estate, and design
complexity.
The 82559 also includes an interface to a serial (4-pin) EEPROM and a parallel interface to a 128
Kbyte Flash memory. The EEPROM provides power-on initialization for hardware and software
configuration parameters. The parallel port can be used as either a Flash memory interface or an
ISA-like interface for modem.
Combined with a Total Cost of Ownership (TCO) controller, the 82559 can help reduce the total
cost of ownership in network environments. The device includes a System Management Bus
(SMB) interface enabling the TCO controller to communicate with a management agent on the
network.
1.2
Features, Enhancements, and Changes to the 82559 from
the 82558
Glueless 32-bit PCI bus master interface
Support for latchless Flash interface with up to 128 Kbyte of Flash addressing
Glueless CardBus master interface
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