CN8236EBGB Mindspeed Technologies, CN8236EBGB Datasheet - Page 223

• 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

Table 6-22. ABR Cell Decision Block (ACDB)
CN8236
ATM ServiceSAR Plus with xBR Traffic Management
6.5.6 ABR Instruction Tables
28236-DSH-001-B
Word 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
Table 6-23. ABR Cell Type Actions
0
1
0000
0001
0010-1000
1001
1010
1011
1110-1111
Table 6-24. ABR Cell Type Decision Vector (ACDV)
3
2
1
0
Bit
CT_ACT15
CT_ACT7
Value
TRM_EXP
TA_PND
TA_XMIT
RUN
Name
CT_ACT14
CT_ACT6
Time since last Forward RM transmitted >= TRM.
TA_PND bit set in VCC Table entry.
TA_XMIT bit set in VCC Table entry.
RUN bit set in VCC Table entry.
Reserved (no action).
Send data cell without reporting I_MAN and I_EXP in status entry.
Reserved (no action).
Send data cell with reporting of I_MAN and I_EXP in status entry.
Send in-rate Forward RM cell.
Send in-rate Backward RM cell.
Reserved (no action).
An ABR cell decision block consists of 16 Cell Type Actions. The correct cell
type action is selected with a 4-bit cell type decision vector.
CT_ACT13
CT_ACT5
Mindspeed Technologies
CT_ACT12
CT_ACT4
Description
CT_ACT11
CT_ACT3
Description
6.5 Traffic Management Control and Status Structures
™
CT_ACT10
CT_ACT2
CT_ACT1
CT_ACT9
6.0 Traffic Management
CT_ACT0
CT_ACT8
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