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PXF4333 Datasheet(PDF) 7 Page - Infineon Technologies AG

Part # PXF4333
Description  ABM 3G ATM Buf fer Manager
Download  361 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

PXF4333 Datasheet(HTML) 7 Page - Infineon Technologies AG

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ABM-3G
PXF 4333 V1.1
Table of Contents
Page
Data Sheet
7
2001-12-17
4.2.2.2
Programming the Scheduler Block Rates . . . . . . . . . . . . . . . . . . . . 106
4.2.2.3
Programming the Common Real-Time Bypass . . . . . . . . . . . . . . . . 109
4.2.2.4
Programming the SDRAM Refresh Empty Cell Cycles . . . . . . . . . . 109
4.2.2.5
Programming the PCR Limiter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
4.2.2.6
Programming the Leaky Bucket Shaper . . . . . . . . . . . . . . . . . . . . . 112
4.2.2.7
Guaranteed Cell Rates and WFQ Weight Factors . . . . . . . . . . . . . . 114
4.2.3
ABM-3G Configuration Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
4.2.4
Normal Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
4.2.5
Bandwidth Reservation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
4.2.5.1
Bandwidth Reservation Example . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
4.2.6
Buffer Reservation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
4.2.7
Support of Standard ATM Service Categories . . . . . . . . . . . . . . . . . . . 119
4.2.7.1
CBR Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
4.2.7.2
rt-VBR Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
4.2.7.3
nrt-VBR Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
4.2.7.4
UBR+ Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
4.2.7.5
GFR Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
4.2.7.6
UBR Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
4.2.7.7
Generic Service Classes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
4.3
Connection Teardown Example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
4.4
AAL5 Packet Insertion/Extraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
4.4.1
AAL5 Packet Insertion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
4.4.2
AAL5 Packet Extraction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
4.5
Exception Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
5
Interface Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
5.1
UTOPIA L2 Interfaces (PHY side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
5.1.1
URXU: UTOPIA Receive Upstream (PHY side) . . . . . . . . . . . . . . . . . 124
5.1.2
UTXD: UTOPIA Transmit Downstream (PHY side) . . . . . . . . . . . . . . . 125
5.1.3
UTOPIA Port/Address Mapping (PHY side) . . . . . . . . . . . . . . . . . . . . 127
5.1.4
Functional UTOPIA Timing (PHY side) . . . . . . . . . . . . . . . . . . . . . . . . 128
5.1.5
UTOPIA Master Mode Polling Scheme (PHY side) . . . . . . . . . . . . . . . 129
5.1.6
UTOPIA Cell Format (PHY side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
5.1.6.1
UTOPIA Level 2 Standard Cell Formats . . . . . . . . . . . . . . . . . . . . . 130
5.1.6.2
LCI Mapping Mode: VPI Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
5.1.6.3
LCI Mapping Mode: VCI Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
5.1.6.4
LCI Mapping Mode: Infineon Mode . . . . . . . . . . . . . . . . . . . . . . . . . 132
5.1.6.5
LCI Mapping Mode: Address Reduction Mode . . . . . . . . . . . . . . . . 132
5.2
UTOPIA L2 Interface (Backplane side) . . . . . . . . . . . . . . . . . . . . . . . . . . 134
5.2.1
URXD: UTOPIA Receive Downstream (Backplane side) . . . . . . . . . . 134
5.2.2
UTXU: UTOPIA Transmit Upstream (Backplane side) . . . . . . . . . . . . 134
5.2.3
UTOPIA Port/Address Mapping (Backplane side) . . . . . . . . . . . . . . . . 134
5.2.4
Functional UTOPIA Timing (Backplane side) . . . . . . . . . . . . . . . . . . . 134


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