參數(shù)資料
型號: IDT88K8483BRI
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 93/162頁
文件大?。?/td> 0K
描述: IC SPI-4 EXCHANGE 3PORT 672-BGA
標準包裝: 24
系列: *
其它名稱: 88K8483BRI
36 of 162
October 20, 2006
IDT IDT88K8483
Figure 8 SPI-4 Egress Calendar Example
Data Path Detailed Description
There are several data paths in the device as shown in the figures below.
There are four PFPs in the device: PFP module A Tributary to Main (PFP-A-MT), PFP module A Main to Tributary (PFP-A-MT), PFP module B Trib-
utary to Main (PFP-B-MT) and PFP module B Main to Tributary PFP-B-MT.
SPI-4 tributary to SPI-4 main data path conveys data from SPI-4 tributary ingress to SPI-4 main egress as shown in Figure 9 SPI-4 Tributary
Figure 9 SPI-4 Tributary to SPI-4 Main Data Path
SPI-4 main to SPI-4 tributary data path conveys data from SPI-4 main ingress to SPI-4 tributary egress as shown in Figure 10 SPI-4 main to
LID 4 (Hungry)
LID 6 (Starving)
LID 5 (Hungry)
Calendar (256 entries)
LID 1 (Starving)
LID 0 (Starving)
Entry 0
Entry 1
Entry 2
Entry 3
Entry 255
.
..
SPI-4A
Interface
Packet Fragment
Processor A-TM (PFP)
SPI-4B
Interface
SPI-4M
Interface
Main
SPI-4s
SPI-4 Egress
Microprocessor
Internal Traffic
Detector
Generator
Internal Traffic
SPI-4 Egress
Auxiliary
Interface
Tributary
SPI-4s
Packet Fragment
Processor A-MT (PFP)
SPI-4 Egress
Microprocessor
SPI-4 Egress
Port Buffers
SPI-4 Egress
Microprocessor
SPI-4 Egress
Microprocessor
SPI-4 Egress
Port Buffers
SPI-4 Ingress
Packet Fragment
Processor B-TM (PFP)
Packet Fragment
Processor B-MT (PFP)
SPI-4 Egress
Auxiliary
Interface
SPI-4 Egress
Port Buffers
SPI-4 Ingress
SPI-4 Egress
Port Buffers
SPI-4 Egress
Port Buffers
SPI-4 Ingress
SPI-4 Egress
Port Buffers
SPI-4 Egress
Port Buffers
SPI-4 Ingress
SPI-4 Egress
Port Buffers
SPI-4 Egress
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