bcm5208r Broadcom Corp., bcm5208r Datasheet

bcm5208r

Manufacturer Part Number

bcm5208r

Description

Bcm5208r - 10/100base-tx/fx Transceiver

Manufacturer

Broadcom Corp.

Datasheet

1.BCM5208R.pdf (2 pages)

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Download datasheet (86Kb)

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10BASE-T/100BASE-TX IEEE 802.3u-compliant

Full-duplex support in all modes

IEEE 802.3u-compliant auto-negotiation

Media Independent Interface (MII) for each port

Shared MII serial management interface

Fully integrated digital adaptive equalizers

125-MHz clock generator and timing recovery

Integrated multimode transmit wave shaping

Integrated baseline wander correction

LED status pins

Loopback mode for diagnostics

IEEE 1149.1 (JTAG) support

3.3V power supply

208-pin PQFP package

BCM5208R 10/100BASE-TX QUAD-F™ TRANSCEIVER

F E A T U R E S

24-Port 10/100BASE-T Ethernet Switch Example

BCM5208R

10/100BASE-TX

Transceiver

QUAD-Φ

•

BCM5208R

Fully integrated TX quad PHY transceiver (MII to TX

magnetics optics)

On-chip multimode transmit wave shaping

Flexible Ethernet PHY solution

Digital adaptive equalization and clock recovery

Cost reduction for BCM5208 designs

MAC

• Decreases system cost per port

• Simplifies system and board design

• Reduces power consumption

• Eliminates need for external filters

• Minimizes EMI

• 10BASE-T, 100BASE-TX full-duplex

• Suited for Ethernet switch products

• Increases SNR by 3 dB over ideal analog equalizers

• Robust performance in harsh noise environments and over

• Immune to on-chip noise and crosstalk

• Insensitive to variations in process, temperature, and voltage

substandard cable

S U M M A R Y O F B E N E F I T S

Switching

Engine

Switch Module

Logic

Memory

Related parts for bcm5208r

bcm5208r Summary of contents

Page 1

... BCM5208R 10/100BASE-TX QUAD-F™ TRANSCEIVER • 10BASE-T/100BASE-TX IEEE 802.3u-compliant • Full-duplex support in all modes • IEEE 802.3u-compliant auto-negotiation • Media Independent Interface (MII) for each port • Shared MII serial management interface • ...

Page 2

... Manchester encoding and decoding; clock and data recovery; stream cipher scrambling/descrambling; digital adaptive equalization; line transmission; carrier sense; and link management functions. The BCM5208R can be connected to a MAC through the MII on one side, and directly to the network media on the other side (through isolation transformers for UTP mode). ...

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