CN8236EBGB Mindspeed Technologies, CN8236EBGB Datasheet - Page 13
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CN8236EBGB
Manufacturer Part Number
CN8236EBGB
Description
ATM SAR 155Mbps 3.3V ABR/CBR/GFR/UBR/VBR 388-Pin BGA
Manufacturer
Mindspeed Technologies
Datasheet
1.CN8236EBGB.pdf
(443 pages)
Specifications of CN8236EBGB
Package
388BGA
Traffic Class
ABR|CBR|GFR|UBR|VBR
Utopia Type
Level 1|Level 2
Host Interface
PCI
Maximum Data Rate
155 Mbps
Typical Operating Supply Voltage
3.3 V
Minimum Operating Supply Voltage
3 V
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
CN8236EBGB
Manufacturer:
VIA
Quantity:
150
Company:
Part Number:
CN8236EBGB
Manufacturer:
CONEXANT
Quantity:
329
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CN8236
ATM ServiceSAR Plus with xBR Traffic Management
7.0
28236-DSH-001-B
OAM Functions
7.1
7.2
7.3
7.4
6.5.4 GFR-Specific Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-49
6.5.5 ABR-Specific Structures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-51
6.5.6 ABR Instruction Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-55
6.5.7 RS_QUEUE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-59
6.5.8 Scheduler Internal SRAM Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-60
7.1.1 OAM Functions Supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
7.1.2 OAM Flows Supported . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7.1.3 OAM Cell Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-5
7.1.4 Local vs. Host Processing of OAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-6
7.2.1 Key OAM-Related Fields for OAM Segmentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
7.2.2 Error Condition During OAM Segmentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-8
7.3.1 Key OAM-Related Fields for OAM Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
7.3.2 OAM Reassembly Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
7.3.3 Error Conditions During OAM Reassembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-10
7.4.1 Initializing PM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-12
7.4.2 Setting Up Channels for PM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13
7.4.3 PM Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13
7.4.4 Error Conditions During PM Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
7.4.5 PASS_OAM Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
OAM Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Segmentation of OAM Cells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
Reassembly of OAM Cells . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
PM Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-11
6.5.3.2 VBR1 or VBR2 Schedule State Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-46
6.5.3.3 Bucket Table for VBR2 and VBRC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-48
6.5.4.1 GFR Schedule State Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-49
6.5.4.2 GFR MCR Limit Bucket Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-50
6.5.5.1 ABR Schedule State Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-51
7.1.2.1 F4 OAM Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7.1.2.2 F5 OAM Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-3
7.1.2.3 Performance Monitoring (PM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-4
7.2.1.1 Segmentation Buffer Descriptors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
7.2.1.2 Low Latency Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
7.2.1.3 Segmentation Status Queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
7.2.1.4 F4 Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-7
7.3.1.1 Reassembly VCC State Table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
7.3.1.2 Reassembly Status Queue . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
7.3.1.3 F4 Flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-9
7.4.3.1 Generation of Forward Monitoring PM Cells . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-13
7.4.3.2 Reassembly of Forward Monitoring PM Cells . . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
7.4.3.3 Reassembly of Backward Reporting PM Cells . . . . . . . . . . . . . . . . . . . . . . . . . 7-14
7.4.3.4 Turnaround and Segmentation of Backward Reporting PM Cells . . . . . . . . . . . . 7-14
7.4.3.5 Turnaround of Backward Reporting PM Cells ONLY . . . . . . . . . . . . . . . . . . . . . 7-14
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
Mindspeed Technologies
™
Table of Contents
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