CN8236EBGB Mindspeed Technologies, CN8236EBGB Datasheet - Page 39

• Manufacturer Part Number: CN8236EBGB
• Description: ATM SAR 155Mbps 3.3V ABR/CBR/GFR/UBR/VBR 388-Pin BGA
• Manufacturer: Mindspeed Technologies

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

CN8236
ATM ServiceSAR Plus with xBR Traffic Management
Figure 2-3. Interaction of Queues with CN8236 Functional Blocks
28236-DSH-001-B
HOST
SEG Status Queue
Global OAM Rsm
SEG Status
Status Queue
Global OAM
Queues
Interface
PCI Bus
reassembly and segmentation functions.
associate the host with the CN8236 during processing and associate each of the
major functional blocks of the CN8236 with each other.
these interactions. The arrows indicate which system entity writes to each queue,
and which entity reads each queue.
The queues described above provide the control information that fuels the
These queues, placed on asynchronous communication paths, directly
Mindspeed Technologies
CN8236
Global OAM Free Buffer Queue
Free Buffer
Queues
2.2 High Performance Host Architecture with Buffer Isolation
Reassembly
Block
RSM/SEG Queue
Segmentation
™
Block
xBR
Scheduler
Local Memory
Interface
LEGEND:
2.0 Architecture Overview
Figure 2-3
Write
Transmit Queues
illustrates
Read
8236_003
2-5