LSISAS1068 LSI, LSISAS1068 Datasheet - Page 44

• Manufacturer Part Number: LSISAS1068
• Manufacturer: LSI

Specifications of LSISAS1068

• Lead Free Status / RoHS Status: Not Compliant

2-18
Figure 2.2
Phys are contained within ports. A port can contain a single phy or can
contain multiple phys. A narrow port contains a single phy, while a wide
port contains multiple phys. The LSISAS1068 supports wide ports that
contain up to four phys. Phys within a single quad port can combine to
form a wide port, which contains up to four phys. Since each phy within
a wide port can transmit data at 3.0 Gbit/s SAS, increasing the number
of phys in a port increases the data transfer rate. Combining four phys
on the LSISAS1068 into a wide port enables bandwidths of up to 12.0
Gbits/s.
A link between two narrow ports is a narrow link. A link between two wide
ports is a wide link.
The wide link contains three phys in each port.
Functional Description
Copyright © 2004, 2005 by LSI Logic Corporation. All rights reserved.
transmitter
receiver
Phy
Transceiver
Transceivers within a Phy
Figure 2.3
TX+
TX-
illustrates a narrow link and a wide link.
RX-
RX+
Transceiver
transmitter
receiver
Phy