BCM54220中文资料Dual-Copper Gigabit Ethernet Transceiver数据手册Broadcom规格书

描述 Description

The Broadcom® BCM54220 is a fully integrated dual-copper Gigabit Ethernet transceiver with support for Energy Efficient Ethernet (EEE), Synchronous Ethernet (SyncE), and IEEE 1588v2 standards. The PHY performs all of the physical layer functions for 10BASE-T, 100BASE-TX 1000BASE-T, on standard Category 5e UTP cable. The BCM54220 supports both the SGMII and RGMII industry standards.
The BCM54220 is based on the proven digital-signal processor technology of Broadcom, combining digital adaptive equalizers, ADCs, phase locked loops, line drivers, encoders, decoders, echo cancelers, crosstalk cancelers, and all other required support circuitry integrated into a single, monolithic CMOS chip. Designed for reliable operation over worst-case Category 5e cable plants, the BCM54220 automatically negotiates with any transceiver on the opposite end of the wire to agree on an operating speed. The PHY can also evaluate the condition of the twisted-pair wiring to ensure that the wiring can support operation at Gigabit speeds, and detect and correct most common wiring problems.

特性 Features

• SGMII or RGMII interfaces
• RGMII: 1.8V HSTL, 2.5V CMOS, or 3.3V CMOS
• Support for two power supplies (3.3V and 1.0V) or one 3.3V power supply using internal voltage regulator
• Support for IEEE 802.3-compliant copper line interfaces: – 1000BASE-T – 100BASE-TX – 10BASE-T
• IEEE 802.3az Compliant (Energy Efficient Ethernet) – Support for native EEE MACs – Support for legacy non-EEE MACs using AutogrEEEn® mode
• IEEE 1588v2-compliant – One-step or Two-step clock – On-chip time-stamping
• ITU-T Y.1731 delay measurement support – On-chip time-stamping – One-way and Two-way in both directions
• SyncE support – Recovered clock and clock lock outputs
• IEEE 802.3bf latency data
• Support for jumbo packets up to 18 KB
• Low-cost 25 MHz crystal option
• Ethernet@Wirespeed™
• Cable plant diagnostics that detect cable plant impairments
• Wake-on-LAN
• Voltage and Temperature Monitors
• Programmable LEDs
• Robust Cable ESD (CESD) tolerance
• Low EMI emissions
• IEEE 1149.1 and IEEE 1149.6 (ACJTAG) boundary scan
• Packages: 128-pin eLQFP and 144-pin FBGA

应用 Application

Ethernet switches and routers for:
• Carrier
• Small and medium business (SMB)
• Smart grid markets

简介

BCM54220属于集成电路（IC）的驱动器接收器收发器。由Broadcom制造生产的BCM54220驱动器，接收器，收发器该系列产品的主要功能是提供必需的硬件资源，以通过延长电缆或印制线进行通信。确切的功能会因所采用的通信协议而异，可能包括诸如瞬态抑制之类的功能，这些功能对于通信用途可能并非绝对必要，但对于可能的使用环境却是明智之选。