![](http://datasheet.mmic.net.cn/330000/PM7323_datasheet_16444372/PM7323_137.png)
STANDARD PRODUCT
PM7323 RCMP-200
DATASHEET
PMC-960543
ISSUE 2
ROUTING CONTROL, MONITORING, & POLICING
200 MBPS
Proprietary and Confidential to PMC-Sierra, Inc.
and for its Customer’s Internal Use.
126
VPC cells with VCI values between 7 and 15, inclusive, result in an increment
of the Invalid Cell Count.
CNTUNDEF:
If the CNTUNDEF bit is a logic 1, OAM cells with undefined OAM Type and
Function Type fields result in an increment of the Errored OAM Cell Count
register. If CNTUNDEF is a logic 0, only CRC-10 errors result in an
increment; received OAM cells with undefined Type and Function fields will
result in an increment of the Vaild OAM Cell Count register.
LIMITMC:
If this bit is a '1' then the RCMP-200 limits the maximum size of a multicast
set to 63 cells. If this bit is a '0' then a multicast set can be arbitrarily large.
Setting this bit to a '1' causes to the RCMP-200 stop processing a multicast
linked list after the 63rd multicast cell and the set the SRCHERRI register bit.
This enables the RCMP-200 to exit a multicast linked list which may have
been improperly constructed and contains an endless loop. If it desired to
support multicast sets greater then 63 cells the LIMITMC bit should set to
a '0'.
DISVERIFY:
The Disable Verify bit controls whether or not the secondary search key is
used as part of the cell confirmation step.
If this bit is a logic 1 then, after the VC search is complete, the Secondary
search key IS NOT compared to the SA[19:16]=0010 word of the candidate
VC Table Record. All cells with a non-null Primary Key will be considered part
of a valid connection. This bit will typically be set high if the cell is identified
completely using only the Primary Key or if unprovisioned cells are not
possible.
If this bit is a logic 0, the binary search is completed with the "confirmation
step" which compares the secondary key to the SA[19:16]=0010 word of the
candidate VC Table Record.
DROPCRCRM:
If DROPCRCRM is a logic 1, the Resource Management (RM) cells which
have a CRC-10 error are dropped.
If DROPCRCRM is a logic 0, the RM cells are transparently passed
regardless of whether the CRC10 is in error.