CN8237EBGB Mindspeed Technologies, CN8237EBGB Datasheet - Page 134

• Manufacturer Part Number: CN8237EBGB
• Description: ATM SAR 622Mbps 3.3V ABR/CBR/GFR/UBR/VBR 456-Pin BGA
• Manufacturer: Mindspeed Technologies

Specifications of CN8237EBGB

• Package: 456BGA
• Traffic Class: ABR|CBR|GFR|UBR|VBR
• Utopia Type: Level 1|Level 2
• Host Interface: PCI
• Maximum Data Rate: 622 Mbps
• Typical Operating Supply Voltage: 3.3 V
• Minimum Operating Supply Voltage: 3.135 V

5.0 Reassembly Coprocessor
5.6 Status Queue Operation
Figure 5-14. Status Queue Structure Format
5-26
(From RSM VCC
Table Entry)
STAT
0x1000
Status Queue Base Table
status queue base table contains status queue base information for up to
32 queues. The queues are accessed via a status pool number, the STAT field in
the RSM VCC table. This field is used as an index to the correct status queue base
table entry.
address of the status queue associated with that status queue base table entry. The
WRITE field is the index pointer maintained by the CN8237, incremented each
time a status queue entry is written, to point to the next status queue entry for that
status queue.
(Internal SRAM)
BASE_PNTR
WRITE
the base table)
(32 entries in
The status queue base table is located at 0x001000 in internal SRAM. The
The BASE_PNTR field in the status queue base table entry points to the base
Figure 5-14
Mindspeed Technologies
illustrates this structure.
ATM OC-12 ServiceSAR Plus with xBR Traffic Management
(32 Status Queues)
™
28237-DSH-001-C
CN8237
8237_052