CN8236EBGB Mindspeed Technologies, CN8236EBGB Datasheet - Page 158
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
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5.0 Reassembly Coprocessor
5.7 Reassembly Control and Data Structures
5-48
Table 5-15. AAL3/4 Head VCC Table Descriptions (3 of 3)
BFR1
BFR0
CRC10_ERR
MID_ERR
LI_ERR
SN_ERR
BOM_SSM_ERR
EOM_ERR
SEG_VCC_INDEX
ERS_INDEX
RX_COUNTER/
VPC_INDEX
D_EN_NCR
ACR_NOT_ER
D_NCR_TRIG
D_NCR_DIR
CONG_ID
EN_EXP_CNG
EN_IMP_CNG
EXP_TA_CI
EXP_TA_NI
EXP_TA_ER
D_NCR_HI_EXP
D_NCR_HI_MANT
D_NCR_LO_EXP
D_NCR_LO_MANT
Field Name
COM free buffer queue pool number.
BOM free buffer queue pool number.
Number of AAL3/4 cells received with CRC10 error.
Number of AAL3/4 cells received that did not have an active MID as determined by the MID_BITS
and MID0 fields.
Number of AAL3/4 cells received that had an unexpected LI value.
Number of AAL3/4 cells received that had an unexpected SN value.
Number of unexpected AAL3/4 BOM or SSM cells received.
Number of unexpected AAL3/4 EOM cells received.
Channel index of corresponding segmentation channel. Used by ER and PM-OAM processing.
Index into ER_SHIFT table for implicit congestion ER reduction. Base table address is given by
ER_SHIFT_B register field.
When ABR_VPC is a logic low, RX_COUNTER is the firewall mode credit counter. When ABR_VPC is
a logic high, VPC_INDEX is used to control a VPC group. See ABR_VPC for description of this field.
Enable destination ACR/ER change notification processing.
Logic high results in CR change notification; logic low results in ER change notification.
Destination ACR/ER change has been triggered. Initialize to logic low.
Indicates direction of destination ACR/ER trigger, logic high for HI, logic low for LO.
Congestion Identification number.
Enables explicit congestion ER reduction mechanism.
Enables implicit congestion ER reduction mechanism; not valid when EN_EXP_CNG is logic high.
Set CI to logic high in turned-around BCK RM cells.
Set NI to logic high in turned-around BCK RM cells.
Set ER to minimum of this value and in coming FWD RM ER value in turned-around BCK RM cells
when EN_EXP_CNG is logic high.
Destination ACR/ER upper threshold, exponent portion.
Destination ACR/ER upper threshold, mantissa portion.
Destination ACR/ER lower threshold, exponent portion.
Destination ACR/ER lower threshold, mantissa portion.
Mindspeed Technologies
Description/Function
ATM ServiceSAR Plus with xBR Traffic Management
™
28236-DSH-001-B
CN8236
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