89H48H12G2ZDBL IDT, 89H48H12G2ZDBL Datasheet - Page 3
89H48H12G2ZDBL
Manufacturer Part Number
89H48H12G2ZDBL
Description
Peripheral Drivers & Components - PCIs
Manufacturer
IDT
Datasheet
1.89H48H12G2ZCBLGI.pdf
(44 pages)
Specifications of 89H48H12G2ZDBL
Part # Aliases
IDT89H48H12G2ZDBL
- Current page: 3 of 44
- Download datasheet (278Kb)
Block Diagram
IDT 89HPES48H12G2 Data Sheet
Bridge
P2P
Partition 1 – Virtual PCI Bus
Bridge
DL/Transaction Layer
DL/Transaction Layer
P2P
Downstream Ports
x8/x4/x2/x1
x8/x4/x2/x1
Upstream Port
SerDes
SerDes
Partition 1
Partition 1
Frame Buffer
Bridge
Route Table
P2P
Figure 2 Example of Usage of Switch Partitioning
Bridge
P2P
Figure 1 Internal Block Diagram
Up to 6 x8 ports or 12 x4 Ports
48 PCI Express Lanes
12-Port Switch Core
Bridge
P2P
DL/Transaction Layer
DL/Transaction Layer
3 of 44
x8/x4/x2/x1
x8/x4/x2/x1
SerDes
SerDes
Partition 2 – Virtual PCI Bus
Bridge
P2P
Downstream Ports
Upstream Port
Partition 2
Partition 2
Bridge
P2P
Bridge
Arbitration
P2P
Scheduler
DL/Transaction Layer
DL/Transaction Layer
Port
x8/x4/x2/x1
x8/x4/x2/x1
SerDes
SerDes
Partition 3 – Virtual PCI Bus
Bridge
P2P
Downstream Ports
Upstream Port
Partition 3
Partition 3
Bridge
P2P
Bridge
P2P
November 28, 2011
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