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參數(shù)資料
| 型號： | PXB4340E |
| 廠商： | INFINEON TECHNOLOGIES AG |
| 英文描述： | ICs for Communications |
| 中文描述： | 通信集成電路 |
| 文件頁數(shù)： | 22/66頁 |
| 文件大小： | 869K |
| 代理商： | PXB4340E |
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Data Sheet
4-22
07.2000
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Configure the response on Write Request Command number 4
Configure the response on Search Request Command number 3
Configure the test functions of the CAME.
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Two Search Request Commands are supported by the CAME. Search Request Command
number 1 is used for search processing of F4-OAM cells at the VP termination point. Normally,
the F4-OAM cells are identified by VCI value 3 or 4 for segment or end-to-end flow. The ALP
identifies the F4-OAM cells and uses Search Request Command number 1. Herewith, the PN
and VPI are written into the Search Address Register via the Data bus of the CAME. After a
predefined search period, the search results (LCI and the two auxiliary bits VCON and P_IP) are
written into the Search Data Register. Subsequently, the search data and status information are
read from the ALP. In the case of a valid search result, the LCI value is written into the GFC, VPI
and UDF1 fields of the ATM cell. Herewith, the CAME and ALP borrow a VCI from the user cell
which identifies the F4-OAM cells as VCI value 3 or 4 in order to transmit the F4-OAM cell to the
AOP. This mechanism reduces the number of LCI needed for to transport F4-OAM cells
between the ALP and the AOP. The ALP ignores the multimatch alarm from the CAME for the
F4-OAM cells as it is obvious that a terminated VP delivers a match for all VCIs if only the PN
and VPI value are used as a search pattern. The LCI value used is the lowest LCI.
Search request number 2 is used for search processing of cells belonging to a VC or VP
connection. This search request is identical to Search Request Command 1 except that the VCI
value is also written into the Search Address Register. For VP connections, the auxiliary bit P_IP
must be set which suppresses the VCI search pattern. Herewith, only the PN and VPI values are
considered.
The data structures of the six Request Commands and the corresponding write and read
commands for the 16-bit and 32 bit modes are described in the following sections.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PXB4340EV1.1-G | 制造商:Infineon Technologies AG 功能描述: |
| PXB4350E | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ICs for Communications |
| PXB4360F | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:ICs for Communications |
| PXB4360F-V11 | 制造商:Infineon Technologies AG 功能描述:COMMUNICATION CONTENT ADDRESSABLE MEMORY ELEMENT CAME 144P-TQFP-144-2 |
| PXB-B3911 | 制造商:PARKER HANNIFIN INSTRUMENTS 功能描述:4MM NC VALVE |
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