PXF4333V11 INFINEON [Infineon Technologies AG], PXF4333V11 Datasheet - Page 6
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PXF4333V11
Manufacturer Part Number
PXF4333V11
Description
ABM 3G ATM Buf fer Manager
Manufacturer
INFINEON [Infineon Technologies AG]
Datasheet
1.PXF4333V11.pdf
(361 pages)
- Current page: 6 of 361
- Download datasheet (6Mb)
Table of Contents
3.3.1
3.4
3.4.1
3.4.1.1
3.4.1.2
3.4.1.3
3.4.1.4
3.4.1.5
3.4.1.6
3.4.1.7
3.4.1.8
3.4.2
3.4.2.1
3.4.2.2
3.4.2.3
3.4.2.4
3.4.2.5
3.4.3
3.4.4
3.4.5
3.4.5.1
3.4.5.2
3.4.5.3
3.5
3.5.1
3.5.2
3.5.3
3.5.4
3.5.5
3.5.6
3.5.7
3.5.8
3.5.9
3.5.9.1
3.5.9.2
3.5.9.3
4
4.1
4.2
4.2.1
4.2.2
4.2.2.1
Data Sheet
Buffer Manager and Queue Scheduler Details . . . . . . . . . . . . . . . . . . . . . 60
Internal Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
Operational Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Basic Device Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
Basic Traffic Management Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . 100
LCI Translation in Mini-Switch Configurations . . . . . . . . . . . . . . . . . . . . 58
Buffer Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Queue Scheduler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Scheduler Block Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Scheduler Block Scheduler (SBS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Supervision Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Table Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
LCI: Local Connection Identifier Table . . . . . . . . . . . . . . . . . . . . . . . . . . 94
QCT: Queue Configuration Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
QPT: Queue Parameter Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
TCT: Traffic Class Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
SBOC: Scheduler Block Occupancy Table . . . . . . . . . . . . . . . . . . . . . . 94
SCT: Scheduler Configuration Table . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
MGT: Merge Group Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
AVT: VBR Configuration Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
Setup of Queues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Programming Queue Scheduler Rates and Granularities . . . . . . . . . . 106
Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Logical Buffer Views . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Threshold Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64
Counter Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Threshold and Occupancy Counter Overview . . . . . . . . . . . . . . . . . . 65
Discard Mechanisms and Buffer Reservation . . . . . . . . . . . . . . . . . . 67
Cell Acceptance Algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Statistical Counters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Functional Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Scheduler Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
Quality of Service Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Traffic Shaping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
VC-Merge and Dummy Queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
Cell Header Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Cell Queue Supervision . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
Scan Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
AVT Context RAM Organization and Addressing . . . . . . . . . . . . . . . 95
AVT Context RAM Section for VBR Shaping Support . . . . . . . . . . . . 97
Common AVT CONFIG Field . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Scheduler Block Scheduler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
6
PXF 4333 V1.1
2001-12-17
ABM-3G
Page
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