LSISASX12 LSI, LSISASX12 Datasheet - Page 25
LSISASX12
Manufacturer Part Number
LSISASX12
Description
Manufacturer
LSI
Datasheet
1.LSISASX12.pdf
(268 pages)
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2.1.1
Connection Manager and Router
The connection manager responds to connection requests by scheduling
and allocating the connection router path resources. When a link is
established, the linked phys can communicate and transfer data. The
connection router connects signals between pairs of phys, or between a
phy and an internal port (SMP or STP) with minimal latency.
The connection manager establishes a connection when a link requests
a connection. The connection manager looks at all connection requests
and establishes as many connections as possible. The connection
manager uses a distributed arbitration mechanism. Once a connection is
established, the connected links communicate with each other and pass
the receive/transmit data stream.
Registers within the connection manager are readable and writable
through the register bus interface.
Registers,”
illustrates the operation of the connection manager.
Figure 2.2
Block Diagram Description
Copyright © 2004, 2005 by LSI Logic Corporation. All rights reserved.
Link 0
Link
XL/XL Interface
XL/XL Interface
describe the connection manager registers.
Rx/Tx Data
Rx/Tx Data
Arbitration
Arbitration
Connection Manager and Router Operation
Interface
Interface
Connection Manager
Expander Function
Section 4.2, “Configuration Manager
XL/XL Interface
XL/XL Interface
Rx/Tx Data
Rx/Tx Data
Arbitration
Arbitration
Interface
Interface
Figure 2.2
Link n
Link
2-3
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