88E6390X Datasheet, PDF (1/2 Pages) –

Marvell Link Street-88E6390X
11 Port Ethernet Switch with Eight 10/100/1000Mbps PHYs
and Two XAUI/RXAUI/2500Base-X Interfaces
PRODUCT OVERVIEW
The Marvell® Link Street®-88E6390X device is a single-chip, 11-Port Ethernet Switch with eight integrated 10/100/1000Mbps
Ethernet transceivers and two high speed SerDes interfaces supporting 10Gbps XAUI and RXAUI, 2500-BaseX, 1000Base-X, and
SGMII. The device also includes an integrated 200MHz microprocessor to enable smart or lightly managed switches without the
need of an external CPU.
The 88E6390X provides advanced Quality of Service (QoS) features with 8 egress queues. The high performance switch fabric
provides line rate switching on all ports simultaneously while providing advanced switch functionality. The device includes a 256
entry TCAM to enable flexible switch policing, including Access Control Lists (ACLs) and Policy Control Lists (PCLs). The
88E6390X also supports the latest IEEE 802.1 Audio Video Bridging (AVB) and Time Sensitive Networking (TSN) standards. These
new standards overcome the latency and bandwidth limitations of Ethernet to allow for the efficient transmission of real-time
content for home, commercial, and industrial applications. These devices use the AVB/TSN technologies to identify and reserve
the network resources for AVB/TSN traffic streams and supports precise isochronous streaming capability for reliable and quality
audio/video transmission over Ethernet for today’s real-time, high definition information and entertainment options. The AVB/TSN
protocols enable timing sensitive streams (such as digital video, audio, or industrial control traffic) to be sent over the Ethernet
network with low latency and robust QoS guarantees.
BLOCK DIAGRAM
256 Entry TCAM
2Mbit Packet Memory
+ 16K MAC addr
200MHz CPU
QoS Queue Controller
8-level QoS Per Port
802.1 Qat SRP Aware Switching Engine
AVB per Queue Shaping
(802.1Qav/Qbv)
3 Color Ingress
AVB Policy
802.1AS
IEEE 1588
Synchronous Ethernet
RGMII/
MII/RMII
Eight 10/100/1000
EEE PHYs
Two XAUI/
RXAUI
Fig 1. Marvell Link Street-886390X Block Diagram