PXF4333 データシートの表示（PDF） - Infineon Technologies

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一致するリスト

PXF4333

ABM 3G ATM Buffer Manager

Infineon Technologies 

ABM-3G

PXF 4333 V1.1

List of Figures

Page

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Logic Symbol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

General System Integration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Pin Configuration (Bottom View) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Pin Configuration (Bottom View) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Sub-System Integration Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Logical Block Diagram (One Direction) . . . . . . . . . . . . . . . . . . . . . . . . 45

LCI Building Patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

LCI Building Patterns (VPI only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Clocking System Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52

DPLL Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Reset System Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

ABM-3G in Bi-directional Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

ABM-3G in Uni-directional Mode Using both Cores. . . . . . . . . . . . . . . 57

ABM-3G in Uni-directional Mode Using one Core . . . . . . . . . . . . . . . . 57

Connection Identifiers in Mini-Switch Configuration. . . . . . . . . . . . . . . 58

Cell Acceptance and Scheduling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Buffer Manager Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61

Queue Assignment to Traffic Classes and Scheduler Blocks . . . . . . . 63

Buffer Management with per Queue Minimum Buffer Reservation . . . 70

Buffer Threshold with Hysteresis . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Functional Structure of the Hierarchical Queue Scheduler . . . . . . . . . 76

Scheduler Block Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Behavior of Different Scheduler Types . . . . . . . . . . . . . . . . . . . . . . . . 78

Scheduler Behavior Example. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Shaping and Policing at Network Boundaries . . . . . . . . . . . . . . . . . . . 81

Ideal ABM-3G Shaper Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Ideal and Real ABM-3G Shaper Output. . . . . . . . . . . . . . . . . . . . . . . . 83

VC Merge Scheduling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Scheduler Block Usage at Switch Output . . . . . . . . . . . . . . . . . . . . . . 88

Scheduler Block Usage at Switch Input . . . . . . . . . . . . . . . . . . . . . . . . 89

SCAN Timer Generation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Table Access Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

AVT Context RAM Addressing Scheme . . . . . . . . . . . . . . . . . . . . . . . 96

Parameters for Connection Setup (bit field width indicated) . . . . . . . 101

ABM-3G Application Example: DSLAM . . . . . . . . . . . . . . . . . . . . . . . 115

Example of Threshold Configuration . . . . . . . . . . . . . . . . . . . . . . . . . 118

AAL5 Extraction: End of packet, Trailer and Status Byte. . . . . . . . . . 122

UTOPIA Receive Upstream Master Mode . . . . . . . . . . . . . . . . . . . . . 124

UTOPIA Receive Upstream Slave Mode . . . . . . . . . . . . . . . . . . . . . . 124

UTOPIA Transmit Downstream Master Mode . . . . . . . . . . . . . . . . . . 126

UTOPIA Transmit Downstream Slave Mode . . . . . . . . . . . . . . . . . . . 126

Data Sheet

10

2001-12-17

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