XRT94L33IB-L Exar Corporation, XRT94L33IB-L Datasheet - Page 180
XRT94L33IB-L
Manufacturer Part Number
XRT94L33IB-L
Description
IC MAPPER DS3/E3/STS-1 504TBGA
Manufacturer
Exar Corporation
Specifications of XRT94L33IB-L
Applications
Network Switches
Interface
Bus
Voltage - Supply
3.14 V ~ 3.47 V
Package / Case
504-LBGA
Mounting Type
Surface Mount
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
XRT94L33IB-L
Manufacturer:
Exar Corporation
Quantity:
10 000
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XRT94L33
Rev.1.2.0.
Figure 23: An Illustration of the Configuration of the Four Transmit User Cell Filters within the
Transmit ATM Cell Processor block
Each of these four (4) User Cell filters can be configured to analyze all of the header bytes, within a given
ATM cell. Based upon the value of these header bytes (within a given cell), each of the four User Cell Filter
blocks can be configured to perform either of the following functions.
• To filter (e.g., discard) the cell
• To NOT filter (e.g., permit the cell to pass through, along the Data Path) the cell
• To replicate (or copy) the cell, and route the replicate cell to the “Transmit ATM Cell Processor” block –
Extraction Processor block.
• To NOT replicate the cell.
Instructions on how to implement the following User Cell Filter options are presented below.
• Enabling/Disabling the User Cell Filter
• Defining the User Cell Filter Action
• Defining the User Cell Filter Sense
• Specifying the User Cell Filter Values
Checker and Insertion
Memory Blocks
From Parity
3-CHANNEL DS3/E3/STS-1 TO STS-3/STM-1 MAPPER IC DATA SHEET
Filter # 3
Filter # 0
Filter # 1
Filter # 2
Filter # 0
Filter # 2
Filter # 3
Filter # 1
User
User
User
Cell
Cell
User
Cell
Cell
User
User
User
Cell
Cell
User
Cell
Cell
180
SONET/STS-3c POH
Checker, Transmit
Extraction
Processor Block
Memory
To Cell
To HEC Byte
xr
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