pxf4333 Infineon Technologies Corporation, pxf4333 Datasheet - Page 10

• Manufacturer Part Number: pxf4333
• Description: Abm 3g Atm Buf Fer Manager
• Manufacturer: Infineon Technologies Corporation

List of Figures
Figure 1-1
Figure 1-2
Figure 2-1
Figure 2-2
Figure 3-1
Figure 3-2
Figure 3-3
Figure 3-5
Figure 3-6
Figure 3-7
Figure 3-8
Figure 3-9
Figure 3-10
Figure 3-11
Figure 3-12
Figure 3-13
Figure 3-14
Figure 3-15
Figure 3-16
Figure 3-18
Figure 3-19
Figure 3-21
Figure 3-22
Figure 3-23
Figure 3-25
Figure 3-26
Figure 3-27
Figure 3-28
Figure 3-31
Figure 3-32
Figure 3-33
Figure 3-34
Figure 3-36
Figure 3-37
Figure 4-1
Figure 4-7
Figure 4-9
Figure 4-10
Figure 5-1
Figure 5-2
Figure 5-3
Figure 5-4
Data Sheet
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
10
PXF 4333 V1.1
2001-12-17
ABM-3G
Page