![](http://datasheet.mmic.net.cn/330000/PM7329-BI_datasheet_16444382/PM7329-BI_193.png)
PM7329 S/UNI-APEX-1K800
DATASHEET
PMC-2010141
ISSUE 2
ATM TRAFFIC MANAGER AND SWITCH
PROPRIETARY AND CONFIDENTIAL TO PMC-SIERRA, INC., AND FOR ITS CUSTOMERS’ INTERNAL USE
179
Table 37
- Maximum Congestion ID Context Structure
MPLWord
En (bit #)
Bits
Parameter
Description
33:16
Unused
Reserved
0
15:0
VcMaxThrshEr
rICI
These bits contain the ICI of the last VC queue that
has reached the congestion limit of VcMaxThrsh.
33:14
Unused
Reserved
13:12
ClassMaxThrs
hErrID
These bits identify which class of the last class queue
that has reached the ClassMaxThrsh limit.
1
11:0
ClassMaxThrs
hErrPortID
These bits contain the Port ID of the last class queue
that has reached the ClassMaxThrsh limit. See VC
Context Record for PortID encoding.
33:12
Unused
Reserved
2
11:0
PortMaxThrsh
ErrPortID
These bits contain the Port ID of the last port queue
that has reached the PortMaxThrsh limit. See VC
Context Record for PortID encoding.
3
33:0
Unused
Reserved
MPQuadAddr = 2052
Table 38
- Misc Error Context Structure
MPLWord
En (bit #)
Bits
Parameter
Description
33:32
Unused
Reserved
0
31:0
DiscardCnt
Free running general discard count of all the cells that
have been discarded due to reasons other than
congestion. Possible causes include re-assembly
time out, cell encountered on a disable VC/Class/Port,
tear down of a VC or class queue..
33:16
Unused
Reserved
1
15:0
CellRxErrICI
These bits contain the ICI of the last cell that was
destined for a VC that was not enabled. This could be
caused when any of the following enables are not set
to 1: VcEn, ClassEn, PortEn.
2
33:16
Unused
Reserved