CN8236EBGB Mindspeed Technologies, CN8236EBGB Datasheet - Page 373

• 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
28236-DSH-001-B
Table 15-8. Table of Values for Reassembly SAR Shared Memory Initialization (3 of 4)
RSM AAL3/4 Head
VCC Table Entry
RSM Buffer
Descriptors
RSM Free Buffer
Queue Entries
RSM Status Queue
Entries
LECID Table
Table
ABR_CTRL
VCC_INDEX
STAT
BFR1
BFR0
CRC10_ERR
MID_ERR
LI_ERR
SN_ERR
BOM_SSM_ERR
EOM_ERR
SEG_VCC_INDEX
RX_COUNTER/VPC_
INDEX
NEXT_PTR
BUFF_PNTR
VLD
BUFFER_PNTR
BD_PNTR
FWD_VLD
VCC_INDEX
Reserved
VLD
(ALL OTHER
ENTRIES)
LECID0-31
Field
Mindspeed Technologies
Initialized Value
0x0010
0x2000
0x2000
0x100
0 – 1
0x80
0x20
0x0
0x1
0x1
0x4
0x0
0x0
—
0
0
0
0
0
0
0
0
0
0
No ABR service enabled on this channel.
AAL3/4 block located at VCC table entry #16.
OAMs use status queue 1.
(not applicable.)
OAMs use free buffer queue 1.
Must be initialized to 0.
Must be initialized to 0.
Must be initialized to 0.
Must be initialized to 0.
Must be initialized to 0.
Must be initialized to 0.
Corresponding SEG channel = 4 for PM_OAM
and ABR service.
Initial firewall credit = 256.
Initialization optional.
Buffer address of 0x2000.
Free buffer queue can be initialized with several
free buffers. Valid entries should have VLD = 1,
and invalid entries should have VLD = 0.
Buffer address of 0x2000.
Buffer descriptor address of 0x80.
Must be initialized to 0.
Must be initialized to 0.
Must be initialized to 0.
Must be initialized to 0.
Must be initialized to 0.
LANE LECID = 32.
™
15.0 SAR Initialization—Example Tables
15.3 Reassembly Initialization
Notes
15-13